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protocol-numbers.xml
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protocol-numbers.xml
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<?xml version='1.0' encoding='UTF-8'?>
<?xml-stylesheet type="text/xsl" href="protocol-numbers.xsl"?>
<?xml-model href="protocol-numbers.rng" schematypens="http://relaxng.org/ns/structure/1.0" ?>
<registry xmlns="http://www.iana.org/assignments" id="protocol-numbers">
<title>Protocol Numbers</title>
<updated>2024-10-24</updated>
<registry id="protocol-numbers-1">
<title>Assigned Internet Protocol Numbers</title>
<xref type="rfc" data="rfc5237"/><xref type="rfc" data="rfc7045"/>
<registration_rule>IESG Approval or Standards Action</registration_rule>
<note>In the Internet Protocol version 4 (IPv4) <xref type="rfc" data="rfc791"/> there is a field
called "Protocol" to identify the next level protocol. This is an 8
bit field. In Internet Protocol version 6 (IPv6) <xref type="rfc" data="rfc8200"/>, this field
is called the "Next Header" field.
</note>
<note>Values that are also IPv6 Extension Header Types should be listed in the
IPv6 Extension Header Types registry at <xref type="registry" data="ipv6-parameters"/>.
</note>
<record>
<value>0</value>
<name>HOPOPT</name>
<description>IPv6 Hop-by-Hop Option</description>
<ipv6>Y</ipv6>
<xref type="rfc" data="rfc8200"/>
</record>
<record>
<value>1</value>
<name>ICMP</name>
<description>Internet Control Message</description>
<xref type="rfc" data="rfc792"/>
</record>
<record>
<value>2</value>
<name>IGMP</name>
<description>Internet Group Management</description>
<xref type="rfc" data="rfc1112"/>
</record>
<record>
<value>3</value>
<name>GGP</name>
<description>Gateway-to-Gateway</description>
<xref type="rfc" data="rfc823"/>
</record>
<record>
<value>4</value>
<name>IPv4</name>
<description>IPv4 encapsulation</description>
<xref type="rfc" data="rfc2003"/>
</record>
<record>
<value>5</value>
<name>ST</name>
<description>Stream</description>
<xref type="rfc" data="rfc1190"/>
<xref type="rfc" data="rfc1819"/>
</record>
<record>
<value>6</value>
<name>TCP</name>
<description>Transmission Control</description>
<xref type="rfc" data="rfc9293"/>
</record>
<record>
<value>7</value>
<name>CBT</name>
<description>CBT</description>
<xref type="person" data="Tony_Ballardie"/>
</record>
<record>
<value>8</value>
<name>EGP</name>
<description>Exterior Gateway Protocol</description>
<xref type="rfc" data="rfc888"/>
<xref type="person" data="David_Mills"/>
</record>
<record date="1995-06">
<value>9</value>
<name>IGP</name>
<description>any private interior gateway
(used by Cisco for their IGRP)</description>
<xref type="person" data="Internet_Assigned_Numbers_Authority"/>
</record>
<record>
<value>10</value>
<name>BBN-RCC-MON</name>
<description>BBN RCC Monitoring</description>
<xref type="person" data="Steve_Chipman"/>
</record>
<record>
<value>11</value>
<name>NVP-II</name>
<description>Network Voice Protocol</description>
<xref type="rfc" data="rfc741"/>
<xref type="person" data="Steve_Casner"/>
</record>
<record>
<value>12</value>
<name>PUP</name>
<description>PUP</description>
<xref type="text">Boggs, D., J. Shoch, E. Taft, and R. Metcalfe, "PUP: An
Internetwork Architecture", XEROX Palo Alto Research Center,
CSL-79-10, July 1979; also in IEEE Transactions on
Communication, Volume COM-28, Number 4, April 1980.</xref>
<xref type="text">[XEROX]</xref>
</record>
<record updated="2015-10-06">
<value>13</value>
<name>ARGUS (deprecated)</name>
<description>ARGUS</description>
<xref type="person" data="Robert_W_Scheifler"/>
</record>
<record updated="2023-01-09">
<value>14</value>
<name>EMCON</name>
<description>EMCON</description>
<xref type="person" data="Bich_Nguyen"/>
</record>
<record>
<value>15</value>
<name>XNET</name>
<description>Cross Net Debugger</description>
<xref type="text">Haverty, J., "XNET Formats for Internet Protocol Version 4",
IEN 158, October 1980.</xref>
<xref type="person" data="Jack_Haverty"/>
</record>
<record>
<value>16</value>
<name>CHAOS</name>
<description>Chaos</description>
<xref type="person" data="J_Noel_Chiappa"/>
</record>
<record>
<value>17</value>
<name>UDP</name>
<description>User Datagram</description>
<xref type="rfc" data="rfc768"/>
<xref type="person" data="Jon_Postel"/>
</record>
<record>
<value>18</value>
<name>MUX</name>
<description>Multiplexing</description>
<xref type="text">Cohen, D. and J. Postel, "Multiplexing Protocol", IEN 90,
USC/Information Sciences Institute, May 1979.</xref>
<xref type="person" data="Jon_Postel"/>
</record>
<record>
<value>19</value>
<name>DCN-MEAS</name>
<description>DCN Measurement Subsystems</description>
<xref type="person" data="David_Mills"/>
</record>
<record>
<value>20</value>
<name>HMP</name>
<description>Host Monitoring</description>
<xref type="rfc" data="rfc869"/>
<xref type="person" data="Bob_Hinden"/>
</record>
<record>
<value>21</value>
<name>PRM</name>
<description>Packet Radio Measurement</description>
<xref type="person" data="Zaw_Sing_Su"/>
</record>
<record>
<value>22</value>
<name>XNS-IDP</name>
<description>XEROX NS IDP</description>
<xref type="text">"The Ethernet, A Local Area Network: Data Link Layer and
Physical Layer Specification", AA-K759B-TK, Digital
Equipment Corporation, Maynard, MA. Also as: "The
Ethernet - A Local Area Network", Version 1.0, Digital
Equipment Corporation, Intel Corporation, Xerox
Corporation, September 1980. And: "The Ethernet, A Local
Area Network: Data Link Layer and Physical Layer
Specifications", Digital, Intel and Xerox, November 1982.
And: XEROX, "The Ethernet, A Local Area Network: Data Link
Layer and Physical Layer Specification", X3T51/80-50,
Xerox Corporation, Stamford, CT., October 1980.</xref>
<xref type="text">[XEROX]</xref>
</record>
<record>
<value>23</value>
<name>TRUNK-1</name>
<description>Trunk-1</description>
<xref type="person" data="Barry_Boehm"/>
</record>
<record>
<value>24</value>
<name>TRUNK-2</name>
<description>Trunk-2</description>
<xref type="person" data="Barry_Boehm"/>
</record>
<record>
<value>25</value>
<name>LEAF-1</name>
<description>Leaf-1</description>
<xref type="person" data="Barry_Boehm"/>
</record>
<record>
<value>26</value>
<name>LEAF-2</name>
<description>Leaf-2</description>
<xref type="person" data="Barry_Boehm"/>
</record>
<record>
<value>27</value>
<name>RDP</name>
<description>Reliable Data Protocol</description>
<xref type="rfc" data="rfc908"/>
<xref type="person" data="Bob_Hinden"/>
</record>
<record>
<value>28</value>
<name>IRTP</name>
<description>Internet Reliable Transaction</description>
<xref type="rfc" data="rfc938"/>
<xref type="person" data="Trudy_Miller"/>
</record>
<record updated="2023-01-09">
<value>29</value>
<name>ISO-TP4</name>
<description>ISO Transport Protocol Class 4</description>
<xref type="rfc" data="rfc905"/>
<xref type="person" data="Robert_Cole"/>
</record>
<record>
<value>30</value>
<name>NETBLT</name>
<description>Bulk Data Transfer Protocol</description>
<xref type="rfc" data="rfc969"/>
<xref type="person" data="David_Clark"/>
</record>
<record>
<value>31</value>
<name>MFE-NSP</name>
<description>MFE Network Services Protocol</description>
<xref type="text">Shuttleworth, B., "A Documentary of MFENet, a National
Computer Network", UCRL-52317, Lawrence Livermore Labs,
Livermore, California, June 1977.</xref>
<xref type="person" data="Barry_Howard"/>
</record>
<record>
<value>32</value>
<name>MERIT-INP</name>
<description>MERIT Internodal Protocol</description>
<xref type="person" data="Hans_Werner_Braun"/>
</record>
<record>
<value>33</value>
<name>DCCP</name>
<description>Datagram Congestion Control Protocol</description>
<xref type="rfc" data="rfc4340"/>
</record>
<record>
<value>34</value>
<name>3PC</name>
<description>Third Party Connect Protocol</description>
<xref type="person" data="Stuart_A_Friedberg"/>
</record>
<record>
<value>35</value>
<name>IDPR</name>
<description>Inter-Domain Policy Routing Protocol</description>
<xref type="person" data="Martha_Steenstrup"/>
</record>
<record>
<value>36</value>
<name>XTP</name>
<description>XTP</description>
<xref type="person" data="Greg_Chesson"/>
</record>
<record>
<value>37</value>
<name>DDP</name>
<description>Datagram Delivery Protocol</description>
<xref type="person" data="Wesley_Craig"/>
</record>
<record>
<value>38</value>
<name>IDPR-CMTP</name>
<description>IDPR Control Message Transport Proto</description>
<xref type="person" data="Martha_Steenstrup"/>
</record>
<record>
<value>39</value>
<name>TP++</name>
<description>TP++ Transport Protocol</description>
<xref type="person" data="Dirk_Fromhein"/>
</record>
<record date="1995-07">
<value>40</value>
<name>IL</name>
<description>IL Transport Protocol</description>
<xref type="person" data="Dave_Presotto"/>
</record>
<record date="1995-03">
<value>41</value>
<name>IPv6</name>
<description>IPv6 encapsulation</description>
<xref type="rfc" data="rfc2473"/>
</record>
<record>
<value>42</value>
<name>SDRP</name>
<description>Source Demand Routing Protocol</description>
<xref type="person" data="Deborah_Estrin"/>
</record>
<record date="1995-03">
<value>43</value>
<name>IPv6-Route</name>
<description>Routing Header for IPv6</description>
<ipv6>Y</ipv6>
<xref type="person" data="Steve_Deering"/>
</record>
<record date="1995-03">
<value>44</value>
<name>IPv6-Frag</name>
<description>Fragment Header for IPv6</description>
<ipv6>Y</ipv6>
<xref type="person" data="Steve_Deering"/>
</record>
<record>
<value>45</value>
<name>IDRP</name>
<description>Inter-Domain Routing Protocol</description>
<xref type="person" data="Sue_Hares"/>
</record>
<record date="1997-07">
<value>46</value>
<name>RSVP</name>
<description>Reservation Protocol</description>
<xref type="rfc" data="rfc2205"/>
<xref type="rfc" data="rfc3209"/>
<xref type="person" data="Bob_Braden"/>
</record>
<record>
<value>47</value>
<name>GRE</name>
<description>Generic Routing Encapsulation</description>
<xref type="rfc" data="rfc2784"/>
<xref type="person" data="Tony_Li"/>
</record>
<record>
<value>48</value>
<name>DSR</name>
<description>Dynamic Source Routing Protocol</description>
<xref type="rfc" data="rfc4728"/>
</record>
<record>
<value>49</value>
<name>BNA</name>
<description>BNA</description>
<xref type="text">Gary Salamon</xref>
</record>
<record>
<value>50</value>
<name>ESP</name>
<description>Encap Security Payload</description>
<ipv6>Y</ipv6>
<xref type="rfc" data="rfc4303"/>
</record>
<record>
<value>51</value>
<name>AH</name>
<description>Authentication Header</description>
<ipv6>Y</ipv6>
<xref type="rfc" data="rfc4302"/>
</record>
<record>
<value>52</value>
<name>I-NLSP</name>
<description>Integrated Net Layer Security TUBA</description>
<xref type="person" data="K_Robert_Glenn"/>
</record>
<record updated="2015-01-06">
<value>53</value>
<name>SWIPE (deprecated)</name>
<description>IP with Encryption</description>
<xref type="person" data="John_Ioannidis"/>
</record>
<record>
<value>54</value>
<name>NARP</name>
<description>NBMA Address Resolution Protocol</description>
<xref type="rfc" data="rfc1735"/>
</record>
<record date="1994-10" updated="2023-10-19">
<value>55</value>
<name>Min-IPv4</name>
<description>Minimal IPv4 Encapsulation</description>
<xref type="rfc" data="rfc2004"/>
<xref type="person" data="Charlie_Perkins"/>
</record>
<record date="1994-10">
<value>56</value>
<name>TLSP</name>
<description>Transport Layer Security Protocol
using Kryptonet key management</description>
<xref type="person" data="Christer_Oberg"/>
</record>
<record date="1995-09">
<value>57</value>
<name>SKIP</name>
<description>SKIP</description>
<xref type="person" data="Tom_Markson"/>
</record>
<record>
<value>58</value>
<name>IPv6-ICMP</name>
<description>ICMP for IPv6</description>
<xref type="rfc" data="rfc8200"/>
</record>
<record>
<value>59</value>
<name>IPv6-NoNxt</name>
<description>No Next Header for IPv6</description>
<xref type="rfc" data="rfc8200"/>
</record>
<record>
<value>60</value>
<name>IPv6-Opts</name>
<description>Destination Options for IPv6</description>
<ipv6>Y</ipv6>
<xref type="rfc" data="rfc8200"/>
</record>
<record date="1995-06">
<value>61</value>
<description>any host internal protocol</description>
<xref type="person" data="Internet_Assigned_Numbers_Authority"/>
</record>
<record>
<value>62</value>
<name>CFTP</name>
<description>CFTP</description>
<xref type="text">Forsdick, H., "CFTP", Network Message, Bolt Beranek and
Newman, January 1982.</xref>
<xref type="person" data="Harry_Forsdick"/>
</record>
<record date="1995-06">
<value>63</value>
<description>any local network</description>
<xref type="person" data="Internet_Assigned_Numbers_Authority"/>
</record>
<record>
<value>64</value>
<name>SAT-EXPAK</name>
<description>SATNET and Backroom EXPAK</description>
<xref type="person" data="Steven_Blumenthal"/>
</record>
<record>
<value>65</value>
<name>KRYPTOLAN</name>
<description>Kryptolan</description>
<xref type="text">Paul Liu</xref>
</record>
<record>
<value>66</value>
<name>RVD</name>
<description>MIT Remote Virtual Disk Protocol</description>
<xref type="person" data="Michael_Greenwald"/>
</record>
<record>
<value>67</value>
<name>IPPC</name>
<description>Internet Pluribus Packet Core</description>
<xref type="person" data="Steven_Blumenthal"/>
</record>
<record date="1995-06">
<value>68</value>
<description>any distributed file system</description>
<xref type="person" data="Internet_Assigned_Numbers_Authority"/>
</record>
<record>
<value>69</value>
<name>SAT-MON</name>
<description>SATNET Monitoring</description>
<xref type="person" data="Steven_Blumenthal"/>
</record>
<record>
<value>70</value>
<name>VISA</name>
<description>VISA Protocol</description>
<xref type="person" data="Gene_Tsudik"/>
</record>
<record>
<value>71</value>
<name>IPCV</name>
<description>Internet Packet Core Utility</description>
<xref type="person" data="Steven_Blumenthal"/>
</record>
<record>
<value>72</value>
<name>CPNX</name>
<description>Computer Protocol Network Executive</description>
<xref type="text">David Mittnacht</xref>
</record>
<record>
<value>73</value>
<name>CPHB</name>
<description>Computer Protocol Heart Beat</description>
<xref type="text">David Mittnacht</xref>
</record>
<record>
<value>74</value>
<name>WSN</name>
<description>Wang Span Network</description>
<xref type="text">Victor Dafoulas</xref>
</record>
<record>
<value>75</value>
<name>PVP</name>
<description>Packet Video Protocol</description>
<xref type="person" data="Steve_Casner"/>
</record>
<record>
<value>76</value>
<name>BR-SAT-MON</name>
<description>Backroom SATNET Monitoring</description>
<xref type="person" data="Steven_Blumenthal"/>
</record>
<record>
<value>77</value>
<name>SUN-ND</name>
<description>SUN ND PROTOCOL-Temporary</description>
<xref type="person" data="William_Melohn"/>
</record>
<record>
<value>78</value>
<name>WB-MON</name>
<description>WIDEBAND Monitoring</description>
<xref type="person" data="Steven_Blumenthal"/>
</record>
<record>
<value>79</value>
<name>WB-EXPAK</name>
<description>WIDEBAND EXPAK</description>
<xref type="person" data="Steven_Blumenthal"/>
</record>
<record>
<value>80</value>
<name>ISO-IP</name>
<description>ISO Internet Protocol</description>
<xref type="person" data="Marshall_T_Rose"/>
</record>
<record>
<value>81</value>
<name>VMTP</name>
<description>VMTP</description>
<xref type="person" data="Dave_Cheriton"/>
</record>
<record>
<value>82</value>
<name>SECURE-VMTP</name>
<description>SECURE-VMTP</description>
<xref type="person" data="Dave_Cheriton"/>
</record>
<record>
<value>83</value>
<name>VINES</name>
<description>VINES</description>
<xref type="text">Brian Horn</xref>
</record>
<record>
<value>84</value>
<name>IPTM</name>
<description>Internet Protocol Traffic Manager</description>
<xref type="person" data="Jim_Stevens"/>
<xref type="note" data="1"/>
</record>
<record>
<value>85</value>
<name>NSFNET-IGP</name>
<description>NSFNET-IGP</description>
<xref type="person" data="Hans_Werner_Braun"/>
</record>
<record>
<value>86</value>
<name>DGP</name>
<description>Dissimilar Gateway Protocol</description>
<xref type="text">M/A-COM Government Systems, "Dissimilar Gateway Protocol
Specification, Draft Version", Contract no. CS901145,
November 16, 1987.</xref>
<xref type="person" data="Mike_Little"/>
</record>
<record>
<value>87</value>
<name>TCF</name>
<description>TCF</description>
<xref type="person" data="Guillermo_A_Loyola"/>
</record>
<record updated="2016-05-27">
<value>88</value>
<name>EIGRP</name>
<description>EIGRP</description>
<xref type="rfc" data="rfc7868"/>
</record>
<record>
<value>89</value>
<name>OSPFIGP</name>
<description>OSPFIGP</description>
<xref type="rfc" data="rfc1583"/>
<xref type="rfc" data="rfc2328"/>
<xref type="rfc" data="rfc5340"/>
<xref type="person" data="John_Moy"/>
</record>
<record>
<value>90</value>
<name>Sprite-RPC</name>
<description>Sprite RPC Protocol</description>
<xref type="text">Welch, B., "The Sprite Remote Procedure Call System",
Technical Report, UCB/Computer Science Dept., 86/302,
University of California at Berkeley, June 1986.</xref>
<xref type="text">Bruce Willins</xref>
</record>
<record>
<value>91</value>
<name>LARP</name>
<description>Locus Address Resolution Protocol</description>
<xref type="text">Brian Horn</xref>
</record>
<record>
<value>92</value>
<name>MTP</name>
<description>Multicast Transport Protocol</description>
<xref type="person" data="Susie_Armstrong"/>
</record>
<record>
<value>93</value>
<name>AX.25</name>
<description>AX.25 Frames</description>
<xref type="person" data="Brian_Kantor"/>
</record>
<record>
<value>94</value>
<name>IPIP</name>
<description>IP-within-IP Encapsulation Protocol</description>
<xref type="person" data="John_Ioannidis"/>
</record>
<record updated="2015-01-06">
<value>95</value>
<name>MICP (deprecated)</name>
<description>Mobile Internetworking Control Pro.</description>
<xref type="person" data="John_Ioannidis"/>
</record>
<record>
<value>96</value>
<name>SCC-SP</name>
<description>Semaphore Communications Sec. Pro.</description>
<xref type="person" data="Howard_Hart"/>
</record>
<record>
<value>97</value>
<name>ETHERIP</name>
<description>Ethernet-within-IP Encapsulation</description>
<xref type="rfc" data="rfc3378"/>
</record>
<record>
<value>98</value>
<name>ENCAP</name>
<description>Encapsulation Header</description>
<xref type="rfc" data="rfc1241"/>
<xref type="person" data="Robert_Woodburn"/>
</record>
<record date="1995-06">
<value>99</value>
<description>any private encryption scheme</description>
<xref type="person" data="Internet_Assigned_Numbers_Authority"/>
</record>
<record>
<value>100</value>
<name>GMTP</name>
<description>GMTP</description>
<xref type="text">[RXB5]</xref>
</record>
<record>
<value>101</value>
<name>IFMP</name>
<description>Ipsilon Flow Management Protocol</description>
<xref type="person" data="Bob_Hinden"/>
<xref type="text">November 1995, 1997.</xref>
</record>
<record date="1995-12">
<value>102</value>
<name>PNNI</name>
<description>PNNI over IP</description>
<xref type="person" data="Ross_Callon"/>
</record>
<record date="1996-03" updated="2016-06-22">
<value>103</value>
<name>PIM</name>
<description>Protocol Independent Multicast</description>
<xref type="rfc" data="rfc7761"/>
<xref type="person" data="Dino_Farinacci"/>
</record>
<record date="1997-01">
<value>104</value>
<name>ARIS</name>
<description>ARIS</description>
<xref type="person" data="Nancy_Feldman"/>
</record>
<record date="1997-03">
<value>105</value>
<name>SCPS</name>
<description>SCPS</description>
<xref type="person" data="Robert_Durst"/>
</record>
<record date="1997-07">
<value>106</value>
<name>QNX</name>
<description>QNX</description>
<xref type="person" data="Michael_Hunter"/>
</record>
<record date="1997-07">
<value>107</value>
<name>A/N</name>
<description>Active Networks</description>
<xref type="person" data="Bob_Braden"/>
</record>
<record>
<value>108</value>
<name>IPComp</name>
<description>IP Payload Compression Protocol</description>
<xref type="rfc" data="rfc2393"/>
</record>
<record date="1997-09">
<value>109</value>
<name>SNP</name>
<description>Sitara Networks Protocol</description>
<xref type="person" data="Manickam_R_Sridhar"/>
</record>
<record date="1997-10">
<value>110</value>
<name>Compaq-Peer</name>
<description>Compaq Peer Protocol</description>
<xref type="person" data="Victor_Volpe"/>
</record>
<record date="1997-10">
<value>111</value>
<name>IPX-in-IP</name>
<description>IPX in IP</description>
<xref type="person" data="CJ_Lee"/>
</record>
<record updated="2024-01-08">
<value>112</value>
<name>VRRP</name>
<description>Virtual Router Redundancy Protocol</description>
<xref type="rfc" data="rfc9568"/>
</record>
<record date="1998-01">
<value>113</value>
<name>PGM</name>
<description>PGM Reliable Transport Protocol</description>
<xref type="person" data="Tony_Speakman"/>
</record>
<record date="1995-06">
<value>114</value>
<description>any 0-hop protocol</description>
<xref type="person" data="Internet_Assigned_Numbers_Authority"/>
</record>
<record date="1998-04">
<value>115</value>
<name>L2TP</name>
<description>Layer Two Tunneling Protocol</description>
<xref type="rfc" data="rfc3931"/>
<xref type="person" data="Bernard_Aboba"/>
</record>
<record date="1998-06">
<value>116</value>
<name>DDX</name>
<description>D-II Data Exchange (DDX)</description>
<xref type="person" data="John_Worley"/>
</record>
<record date="1998-10">
<value>117</value>
<name>IATP</name>
<description>Interactive Agent Transfer Protocol</description>
<xref type="person" data="John_Murphy"/>
</record>
<record date="1998-11">
<value>118</value>
<name>STP</name>
<description>Schedule Transfer Protocol</description>
<xref type="person" data="Jean_Michel_Pittet"/>
</record>
<record date="1998-11">
<value>119</value>
<name>SRP</name>
<description>SpectraLink Radio Protocol</description>
<xref type="person" data="Mark_Hamilton"/>
</record>
<record date="1999-03">
<value>120</value>
<name>UTI</name>
<description>UTI</description>
<xref type="person" data="Peter_Lothberg"/>
</record>
<record date="1999-03">
<value>121</value>
<name>SMP</name>
<description>Simple Message Protocol</description>
<xref type="person" data="Leif_Ekblad"/>
</record>
<record date="1999-06" updated="2015-06-23">
<value>122</value>
<name>SM (deprecated)</name>
<description>Simple Multicast Protocol</description>
<xref type="person" data="Jon_Crowcroft"/>
<xref type="draft" data="draft-perlman-simple-multicast"/>
</record>
<record date="1999-08">
<value>123</value>
<name>PTP</name>
<description>Performance Transparency Protocol</description>
<xref type="person" data="Michael_Welzl"/>
</record>
<record date="1999-08">
<value>124</value>
<name>ISIS over IPv4</name>
<xref type="person" data="Tony_Przygienda"/>
</record>
<record date="1999-08">
<value>125</value>
<name>FIRE</name>
<xref type="person" data="Criag_Partridge"/>
</record>
<record date="1999-08">
<value>126</value>
<name>CRTP</name>
<description>Combat Radio Transport Protocol</description>
<xref type="person" data="Robert_Sautter"/>
</record>
<record date="1999-08">
<value>127</value>
<name>CRUDP</name>
<description>Combat Radio User Datagram</description>
<xref type="person" data="Robert_Sautter"/>
</record>
<record date="1999-08">
<value>128</value>
<name>SSCOPMCE</name>
<xref type="person" data="Kurt_Waber"/>
</record>
<record>
<value>129</value>
<name>IPLT</name>
<xref type="text">[Hollbach]</xref>
</record>
<record>
<value>130</value>
<name>SPS</name>
<description>Secure Packet Shield</description>
<xref type="person" data="Bill_McIntosh"/>
</record>
<record date="2000-03">
<value>131</value>
<name>PIPE</name>
<description>Private IP Encapsulation within IP</description>
<xref type="person" data="Bernhard_Petri"/>
</record>
<record date="2000-04">
<value>132</value>
<name>SCTP</name>
<description>Stream Control Transmission Protocol</description>
<xref type="person" data="Randall_R_Stewart"/>
</record>
<record date="2000-05">
<value>133</value>
<name>FC</name>
<description>Fibre Channel</description>
<xref type="person" data="Murali_Rajagopal"/>
<xref type="rfc" data="rfc6172"/>
</record>
<record>
<value>134</value>
<name>RSVP-E2E-IGNORE</name>
<xref type="rfc" data="rfc3175"/>
</record>
<record>
<value>135</value>
<name>Mobility Header</name>
<ipv6>Y</ipv6>
<xref type="rfc" data="rfc6275"/>
</record>
<record>
<value>136</value>
<name>UDPLite</name>
<xref type="rfc" data="rfc3828"/>
</record>
<record>
<value>137</value>
<name>MPLS-in-IP</name>
<xref type="rfc" data="rfc4023"/>
</record>
<record>
<value>138</value>
<name>manet</name>
<description>MANET Protocols</description>
<xref type="rfc" data="rfc5498"/>
</record>
<record updated="2014-11-25">
<value>139</value>
<name>HIP</name>
<description>Host Identity Protocol</description>
<ipv6>Y</ipv6>
<xref type="rfc" data="rfc7401"/>
</record>
<record>
<value>140</value>
<name>Shim6</name>
<description>Shim6 Protocol</description>
<ipv6>Y</ipv6>
<xref type="rfc" data="rfc5533"/>
</record>
<record>
<value>141</value>
<name>WESP</name>
<description>Wrapped Encapsulating Security Payload</description>
<xref type="rfc" data="rfc5840"/>
</record>
<record>
<value>142</value>
<name>ROHC</name>
<description>Robust Header Compression</description>
<xref type="rfc" data="rfc5858"/>
</record>
<record date="2020-01-31" updated="2021-01-08">
<value>143</value>
<name>Ethernet</name>
<description>Ethernet</description>
<xref type="rfc" data="rfc8986"/>
</record>
<record date="2022-08-26" updated="2022-09-28">
<value>144</value>
<name>AGGFRAG</name>
<description>AGGFRAG encapsulation payload for ESP</description>
<xref type="rfc" data="rfc9347"/>
</record>
<record date="2023-06-06">
<value>145</value>
<name>NSH</name>
<description>Network Service Header</description>
<ipv6>N</ipv6>
<xref type="rfc" data="rfc9491"/>
</record>
<record date="2024-10-24">
<value>146</value>
<name>Homa</name>
<description>Homa</description>
<ipv6>N</ipv6>
<xref type="uri" data="https://github.com/PlatformLab/HomaModule">HomaModule</xref>
<xref type="person" data="John_Ousterhout"/>
</record>
<record date="1995-06">
<value>147-252</value>
<description>Unassigned</description>
<xref type="person" data="Internet_Assigned_Numbers_Authority"/>
</record>
<record>
<value>253</value>
<description>Use for experimentation and testing</description>
<ipv6>Y</ipv6>
<xref type="rfc" data="rfc3692"/>
</record>
<record>
<value>254</value>
<description>Use for experimentation and testing</description>
<ipv6>Y</ipv6>
<xref type="rfc" data="rfc3692"/>
</record>
<record date="1995-06">
<value>255</value>
<name>Reserved</name>
<xref type="person" data="Internet_Assigned_Numbers_Authority"/>
</record>
<footnote anchor="1">Until March 2023, value 84 was also assigned to TTP (Transaction Transport Protocol).</footnote>
</registry>
<people>
<person id="Barry_Boehm">
<name>Barry Boehm</name>
<uri>mailto:boehm&arpa.mil</uri>
</person>
<person id="Barry_Howard">
<name>Barry Howard</name>
<uri>mailto:Howard&nmfecc.llnl.gov</uri>
</person>
<person id="Bernard_Aboba">
<name>Bernard Aboba</name>
<uri>mailto:bernarda&microsoft.com</uri>
<updated>1998-04</updated>
</person>
<person id="Bernhard_Petri">
<name>Bernhard Petri</name>
<uri>mailto:bernhard.petri&siemens.com</uri>
<updated>2012-07-09</updated>
</person>
<person id="Bich_Nguyen">
<name>Bich Nguyen</name>
<uri>mailto:bitnguyen&gmail.com</uri>