List of IP protocol numbers




Below are the Internet Protocol numbers found in the Protocol field of the IPv4 header and the Next Header field of the IPv6 header. The same values are used in both versions of the field and define the layout of the header that will immediately follow the IPv4 or IPv6 header. Both the Protocol and Next Header fields are eight bits wide. The numbers used in these fields are managed and assigned by the Internet Assigned Numbers Authority (IANA).[1]












































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































Hex
Protocol Number Keyword Protocol References/RFC
0x00
0
HOPOPT

IPv6 Hop-by-Hop Option

RFC 8200
0x01
1
ICMP

Internet Control Message Protocol

RFC 792
0x02
2
IGMP

Internet Group Management Protocol

RFC 1112
0x03
3
GGP

Gateway-to-Gateway Protocol

RFC 823
0x04
4
IP-in-IP

IP in IP (encapsulation)

RFC 2003
0x05
5
ST

Internet Stream Protocol

RFC 1190, RFC 1819
0x06
6
TCP

Transmission Control Protocol

RFC 793
0x07
7
CBT

Core-based trees

RFC 2189
0x08
8
EGP

Exterior Gateway Protocol

RFC 888
0x09
9
IGP

Interior Gateway Protocol (any private interior gateway (used by Cisco for their IGRP))

0x0A
10
BBN-RCC-MON
BBN RCC Monitoring

0x0B
11
NVP-II

Network Voice Protocol

RFC 741
0x0C
12
PUP

Xerox PUP

0x0D
13
ARGUS
ARGUS

0x0E
14
EMCON
EMCON

0x0F
15
XNET
Cross Net Debugger
IEN 158
0x10
16
CHAOS

Chaos

0x11
17
UDP

User Datagram Protocol

RFC 768
0x12
18
MUX

Multiplexing
IEN 90
0x13
19
DCN-MEAS
DCN Measurement Subsystems

0x14
20
HMP

Host Monitoring Protocol

RFC 869
0x15
21
PRM
Packet Radio Measurement

0x16
22
XNS-IDP
XEROX NS IDP

0x17
23
TRUNK-1
Trunk-1

0x18
24
TRUNK-2
Trunk-2

0x19
25
LEAF-1
Leaf-1

0x1A
26
LEAF-2
Leaf-2

0x1B
27
RDP

Reliable Data Protocol

RFC 908
0x1C
28
IRTP

Internet Reliable Transaction Protocol

RFC 938
0x1D
29
ISO-TP4
ISO Transport Protocol Class 4

RFC 905
0x1E
30
NETBLT

Bulk Data Transfer Protocol

RFC 998
0x1F
31
MFE-NSP

MFE Network Services Protocol

0x20
32
MERIT-INP

MERIT Internodal Protocol

0x21
33
DCCP

Datagram Congestion Control Protocol

RFC 4340
0x22
34
3PC

Third Party Connect Protocol

0x23
35
IDPR

Inter-Domain Policy Routing Protocol

RFC 1479
0x24
36
XTP

Xpress Transport Protocol

0x25
37
DDP

Datagram Delivery Protocol

0x26
38
IDPR-CMTP

IDPR Control Message Transport Protocol

0x27
39
TP++

TP++ Transport Protocol

0x28
40
IL

IL Transport Protocol

0x29
41
IPv6
IPv6 Encapsulation

RFC 2473
0x2A
42
SDRP

Source Demand Routing Protocol

RFC 1940
0x2B
43
IPv6-Route
Routing Header for IPv6

RFC 8200
0x2C
44
IPv6-Frag
Fragment Header for IPv6

RFC 8200
0x2D
45
IDRP

Inter-Domain Routing Protocol

0x2E
46
RSVP

Resource Reservation Protocol

RFC 2205
0x2F
47
GREs

Generic Routing Encapsulation

RFC 2784, RFC 2890
0x30
48
DSR

Dynamic Source Routing Protocol

RFC 4728
0x31
49
BNA
Burroughs Network Architecture

0x32
50
ESP

Encapsulating Security Payload

RFC 4303
0x33
51
AH

Authentication Header

RFC 4302
0x34
52
I-NLSP

Integrated Net Layer Security Protocol
TUBA
0x35
53
SWIPE

SwIPe
IP with Encryption
0x36
54
NARP

NBMA Address Resolution Protocol

RFC 1735
0x37
55
MOBILE

IP Mobility (Min Encap)

RFC 2004
0x38
56
TLSP

Transport Layer Security Protocol (using Kryptonet key management)

0x39
57
SKIP

Simple Key-Management for Internet Protocol

RFC 2356
0x3A
58
IPv6-ICMP

ICMP for IPv6

RFC 4443, RFC 4884
0x3B
59
IPv6-NoNxt
No Next Header for IPv6

RFC 8200
0x3C
60
IPv6-Opts
Destination Options for IPv6

RFC 8200
0x3D
61

Any host internal protocol

0x3E
62
CFTP
CFTP

0x3F
63

Any local network

0x40
64
SAT-EXPAK
SATNET and Backroom EXPAK

0x41
65
KRYPTOLAN
Kryptolan

0x42
66
RVD
MIT Remote Virtual Disk Protocol

0x43
67
IPPC

Internet Pluribus Packet Core

0x44
68

Any distributed file system

0x45
69
SAT-MON
SATNET Monitoring

0x46
70
VISA
VISA Protocol

0x47
71
IPCU
Internet Packet Core Utility

0x48
72
CPNX
Computer Protocol Network Executive

0x49
73
CPHB

Computer Protocol Heart Beat

0x4A
74
WSN

Wang Span Network

0x4B
75
PVP

Packet Video Protocol

0x4C
76
BR-SAT-MON
Backroom SATNET Monitoring

0x4D
77
SUN-ND
SUN ND PROTOCOL-Temporary

0x4E
78
WB-MON
WIDEBAND Monitoring

0x4F
79
WB-EXPAK
WIDEBAND EXPAK

0x50
80
ISO-IP
International Organization for Standardization Internet Protocol

0x51
81
VMTP

Versatile Message Transaction Protocol

RFC 1045
0x52
82
SECURE-VMTP
Secure Versatile Message Transaction Protocol

RFC 1045
0x53
83
VINES
VINES

0x54
84
TTP
TTP

0x54
84
IPTM

Internet Protocol Traffic Manager

0x55
85
NSFNET-IGP
NSFNET-IGP

0x56
86
DGP

Dissimilar Gateway Protocol

0x57
87
TCF
TCF

0x58
88
EIGRP

EIGRP

0x59
89
OSPF

Open Shortest Path First

RFC 1583
0x5A
90
Sprite-RPC
Sprite RPC Protocol

0x5B
91
LARP

Locus Address Resolution Protocol

0x5C
92
MTP

Multicast Transport Protocol

0x5D
93
AX.25

AX.25

0x5E
94
OS
KA9Q NOS compatible IP over IP tunneling

0x5F
95
MICP

Mobile Internetworking Control Protocol

0x60
96
SCC-SP
Semaphore Communications Sec. Pro

0x61
97
ETHERIP
Ethernet-within-IP Encapsulation

RFC 3378
0x62
98
ENCAP
Encapsulation Header

RFC 1241
0x63
99

Any private encryption scheme

0x64
100
GMTP
GMTP

0x65
101
IFMP

Ipsilon Flow Management Protocol

0x66
102
PNNI
PNNI over IP

0x67
103
PIM

Protocol Independent Multicast

0x68
104
ARIS
IBM's ARIS (Aggregate Route IP Switching) Protocol

0x69
105
SCPS

SCPS (Space Communications Protocol Standards)
SCPS-TP[2]
0x6A
106

QNX
QNX

0x6B
107
A/N
Active Networks

0x6C
108
IPComp

IP Payload Compression Protocol

RFC 3173
0x6D
109
SNP

Sitara Networks Protocol

0x6E
110
Compaq-Peer

Compaq Peer Protocol

0x6F
111
IPX-in-IP

IPX in IP

0x70
112
VRRP

Virtual Router Redundancy Protocol, Common Address Redundancy Protocol (not IANA assigned)
VRRP:RFC 3768
0x71
113
PGM

PGM Reliable Transport Protocol

RFC 3208
0x72
114

Any 0-hop protocol

0x73
115
L2TP

Layer Two Tunneling Protocol Version 3

RFC 3931
0x74
116
DDX
D-II Data Exchange (DDX)

0x75
117
IATP

Interactive Agent Transfer Protocol

0x76
118
STP

Schedule Transfer Protocol

0x77
119
SRP

SpectraLink Radio Protocol

0x78
120
UTI
Universal Transport Interface Protocol

0x79
121
SMP

Simple Message Protocol

0x7A
122
SM
Simple Multicast Protocol

draft-perlman-simple-multicast-03
0x7B
123
PTP

Performance Transparency Protocol

0x7C
124
IS-IS over IPv4

Intermediate System to Intermediate System (IS-IS) Protocol over IPv4

RFC 1142 and RFC 1195
0x7D
125
FIRE
Flexible Intra-AS Routing Environment

0x7E
126
CRTP

Combat Radio Transport Protocol

0x7F
127
CRUDP

Combat Radio User Datagram

0x80
128
SSCOPMCE
Service-Specific Connection-Oriented Protocol in a Multilink and Connectionless Environment

ITU-T Q.2111 (1999)
0x81
129
IPLT


0x82
130
SPS

Secure Packet Shield

0x83
131
PIPE
Private IP Encapsulation within IP

Expired I-D draft-petri-mobileip-pipe-00.txt
0x84
132
SCTP

Stream Control Transmission Protocol

RFC 4960
0x85
133
FC

Fibre Channel

0x86
134
RSVP-E2E-IGNORE
Reservation Protocol (RSVP) End-to-End Ignore

RFC 3175
0x87
135
Mobility Header
Mobility Extension Header for IPv6

RFC 6275
0x88
136
UDPLite

Lightweight User Datagram Protocol

RFC 3828
0x89
137
MPLS-in-IP

Multiprotocol Label Switching Encapsulated in IP

RFC 4023, RFC 5332
0x8A
138
manet

MANET Protocols

RFC 5498
0x8B
139
HIP

Host Identity Protocol

RFC 5201
0x8C
140
Shim6

Site Multihoming by IPv6 Intermediation

RFC 5533
0x8D
141
WESP

Wrapped Encapsulating Security Payload

RFC 5840
0x8E
142
ROHC

Robust Header Compression

RFC 5856
0x8F-0xFC
143-252
Unassigned

0xFD-0xFE
253-254
Use for experimentation and testing

RFC 3692
0xFF
255
Reserved



See also




  • Internet Protocol


    • IPv4 (including packet structure)


    • IPv6 (and packet structure)



  • EtherType



References




  1. ^ "Protocol Numbers". Internet Assigned Numbers Authority (IANA. 2016-06-22..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""""'""'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}


  2. ^ "Archived copy" (PDF). Archived from the original (PDF) on 2007-09-27. Retrieved 2006-05-27.CS1 maint: Archived copy as title (link)



External links


  • Official list of protocol numbers



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