List of IP protocol numbers

DecimalHexKeywordProtocolReferences00x00HOPOPTIPv6 Hop-by-Hop OptionRFC 246010x01ICMPInternet Control Message ProtocolRFC 79220x02IGMPInternet Group Management ProtocolRFC 111230x03GGPGateway-to-Gateway ProtocolRFC 82340x04IPIP in IP (encapsulation)RFC 200350x05STInternet Stream ProtocolRFC 1190,RFC 181960x06TCPTransmission Control ProtocolRFC 79370x07CBTCore-based treesRFC 218980x08EGPExterior Gateway ProtocolRFC 88890x09IGPInterior Gateway Protocol (any private interior gateway (used by Cisco for their IGRP)) 100x0ABBN-RCC-MONBBN RCC Monitoring 110x0BNVP-IINetwork Voice ProtocolRFC 741120x0CPUPXerox PUP 130x0DARGUSARGUS 140x0EEMCONEMCON 150x0FXNETCross Net DebuggerIEN 158160x10CHAOSChaos 170x11UDPUser Datagram ProtocolRFC 768180x12MUXMultiplexingIEN 90190x13DCN-MEASDCN Measurement Subsystems 200x14HMPHost Monitoring ProtocolRFC 869210x15PRMPacket Radio Measurement 220x16XNS-IDPXEROX NS IDP 230x17TRUNK-1Trunk-1 240x18TRUNK-2Trunk-2 250x19LEAF-1Leaf-1 260x1ALEAF-2Leaf-2 270x1BRDPReliable Datagram ProtocolRFC 908280x1CIRTPInternet Reliable Transaction ProtocolRFC 938290x1DISO-TP4ISO Transport Protocol Class 4RFC 905300x1ENETBLTBulk Data Transfer ProtocolRFC 998310x1FMFE-NSPMFE Network Services Protocol 320x20MERIT-INPMERIT Internodal Protocol 330x21DCCPDatagram Congestion Control ProtocolRFC 4340340x223PCThird Party Connect Protocol 350x23IDPRInter-Domain Policy Routing ProtocolRFC 1479360x24XTPXpress Transport Protocol 370x25DDPDatagram Delivery Protocol 380x26IDPR-CMTPIDPR Control Message Transport Protocol 390x27TP++TP++ Transport Protocol 400x28ILIL Transport Protocol 410x29IPv6IPv6 (encapsulation)RFC 2473,RFC 3056420x2ASDRPSource Demand Routing ProtocolRFC 1940430x2BIPv6-RouteRouting Header for IPv6RFC 2460440x2CIPv6-FragFragment Header for IPv6RFC 2460450x2DIDRPInter-Domain Routing Protocol 460x2ERSVPResource Reservation ProtocolRFC 2205470x2FGREGeneric Routing Encapsulation 480x30MHRPMobile Host Routing Protocol 490x31BNABNA 500x32ESPEncapsulating Security PayloadRFC 2406510x33AHAuthentication HeaderRFC 2402520x34I-NLSPIntegrated Net Layer Security ProtocolTUBA530x35SWIPESwIPeIP with Encryption540x36NARPNBMA Address Resolution ProtocolRFC 1735550x37MOBILEIP Mobility (Min Encap)RFC 2004560x38TLSPTransport Layer Security Protocol (using Kryptonet key management) 570x39SKIPSimple Key-Management for Internet ProtocolRFC 2356580x3AIPv6-ICMPICMP for IPv6RFC 4443,RFC 4884590x3BIPv6-NoNxtNo Next Header for IPv6RFC 2460600x3CIPv6-OptsDestination Options for IPv6RFC 2460610x3D Any host internal protocol 620x3ECFTPCFTP 630x3F Any local network 640x40SAT-EXPAKSATNET and Backroom EXPAK 650x41KRYPTOLANKryptolan 660x42RVDMIT Remote Virtual Disk Protocol 670x43IPPCInternet Pluribus Packet Core 680x44 Any distributed file system 690x45SAT-MONSATNET Monitoring 700x46VISAVISA Protocol 710x47IPCVInternet Packet Core Utility 720x48CPNXComputer Protocol Network Executive 730x49CPHBComputer Protocol Heart Beat 740x4AWSNWang Span Network 750x4BPVPPacket Video Protocol 760x4CBR-SAT-MONBackroom SATNET Monitoring 770x4DSUN-NDSUN ND PROTOCOL-Temporary 780x4EWB-MONWIDEBAND Monitoring 790x4FWB-EXPAKWIDEBAND EXPAK 800x50ISO-IPInternational Organization for Standardization Internet Protocol 810x51VMTPVersatile Message Transaction ProtocolRFC 1045820x52SECURE-VMTPSecure Versatile Message Transaction ProtocolRFC 1045830x53VINESVINES 840x54TTPTTP 840x54IPTMInternet Protocol Traffic Manager 850x55NSFNET-IGPNSFNET-IGP 860x56DGPDissimilar Gateway Protocol 870x57TCFTCF 880x58EIGRPEIGRP 890x59OSPFOpen Shortest Path FirstRFC 1583900x5ASprite-RPCSprite RPC Protocol 910x5BLARPLocus Address Resolution Protocol 920x5CMTPMulticast Transport Protocol 930x5DAX.25AX.25 940x5EIPIPIP-within-IP Encapsulation Protocol 950x5FMICPMobile Internetworking Control Protocol 960x60SCC-SPSemaphore Communications Sec. Pro 970x61ETHERIPEthernet-within-IP EncapsulationRFC 3378980x62ENCAPEncapsulation HeaderRFC 1241990x63 Any private encryption scheme 1000x64GMTPGMTP 1010x65IFMPIpsilon Flow Management Protocol 1020x66PNNIPNNI over IP 1030x67PIMProtocol Independent Multicast 1040x68ARISIBM's ARIS (Aggregate Route IP Switching) Protocol 1050x69SCPSSCPS (Space Communications Protocol Standards) 1060x6AQNXQNX 1070x6BA/NActive Networks 1080x6CIPCompIP Payload Compression ProtocolRFC 31731090x6DSNPSitara Networks Protocol 1100x6ECompaq-PeerCompaq Peer Protocol 1110x6FIPX-in-IPIPX in IP 1120x70VRRPVirtual Router Redundancy Protocol,Common Address Redundancy Protocol (not IANA assigned)VRRP:RFC 37681130x71PGMPGM Reliable Transport ProtocolRFC 32081140x72 Any 0-hop protocol 1150x73L2TPLayer Two Tunneling Protocol 1160x74DDXD-II Data Exchange (DDX) 1170x75IATPInteractive Agent Transfer Protocol 1180x76STPSchedule Transfer Protocol 1190x77SRPSpectraLink Radio Protocol 1200x78UTIUTI 1210x79SMPSimple Message Protocol 1220x7ASMSM 1230x7BPTPPerformance Transparency Protocol 1240x7C IS-IS over IPv4 1250x7DFIRE  1260x7ECRTPCombat Radio Transport Protocol 1270x7FCRUDPCombat Radio User Datagram 1280x80SSCOPMCE  1290x81IPLT  1300x82SPSSecure Packet Shield 1310x83PIPEPrivate IP Encapsulation within IPExpired I-D draft-petri-mobileip-pipe-00.txt1320x84SCTPStream Control Transmission Protocol 1330x85FCFibre Channel 1340x86 RSVP-E2E-IGNORERFC 31751350x87 Mobility HeaderRFC 37751360x88 UDP LiteRFC 38281370x89 MPLS-in-IPRFC 40231380x8AmanetMANET ProtocolsRFC 54981390x8BHIPHost Identity ProtocolRFC 52011400x8CShim6Site Multihoming by IPv6 IntermediationRFC 5533141-2520x8D-0xFCUNASSIGNED253-2540xFD-0xFEUse for experimentation and testingRFC 36922550xFFReserved.