| 协议号 | 十六进制协议号 | 协议介绍 |
| 1 | 0x1 | ICMP (Internet Control Message Protocol) |
| 2 | 0x2 | IGMP (Internet Group Management Protocol) |
| 3 | 0x3 | GGP (Gateway-to-Gateway Protocol) |
| 4 | 0x4 | IPv4 (encapsulation) |
| 5 | 0x5 | ST (Stream Protocol) |
| 6 | 0x6 | TCP (Transmission Control Protocol) |
| 7 | 0x7 | CBT (CBT Multicast Protocol) |
| 8 | 0x8 | EGP (Exterior Gateway Protocol) |
| 9 | 0x9 | IGP (any private interior gateway) |
| 10 | 0xa | BBN-RCC-MON (BBN RCC Monitoring) |
| 11 | 0xb | NVP-II (Network Voice Protocol) |
| 12 | 0xc | PUP (PUP Protocol) |
| 13 | 0xd | ARGUS (ARGUS) |
| 14 | 0xe | EMCON (EMCON) |
| 15 | 0xf | XNET (Cross Net Debugger) |
| 16 | 0x10 | CHAOS (Chaos Protocol) |
| 17 | 0x11 | UDP (User Datagram Protocol) |
| 18 | 0x12 | MUX (Multiplexing) |
| 19 | 0x13 | DCN-MEAS (DCN Measurement Subsystems) |
| 20 | 0x14 | HMP (Host Monitoring Protocol) |
| 21 | 0x15 | PRM (Packet Radio Measurement) |
| 22 | 0x16 | XNS-IDP (XEROX NS IDP) |
| 23 | 0x17 | TRUNK-1 (Trunk-1) |
| 24 | 0x18 | TRUNK-2 (Trunk-2) |
| 25 | 0x19 | LEAF-1 (Leaf-1) |
| 26 | 0x1a | LEAF-2 (Leaf-2) |
| 27 | 0x1b | RDP (Reliable Data Protocol) |
| 28 | 0x1c | IRTP (Internet Reliable Transaction Protocol) |
| 29 | 0x1d | ISO-TP4 (ISO Transport Protocol Class 4) |
| 30 | 0x1e | NETBLT (Bulk Data Transfer Protocol) |
| 31 | 0x1f | MFE-NSP (MFE Network Services Protocol) |
| 32 | 0x20 | MERIT-INP (MERIT Internodal Protocol) |
| 33 | 0x21 | DCCP (Datagram Congestion Control Protocol) |
| 34 | 0x22 | 3PC (Third Party Connect Protocol) |
| 35 | 0x23 | IDPR (Inter-Domain Policy Routing Protocol) |
| 36 | 0x24 | XTP (Xpress Transport Protocol) |
| 37 | 0x25 | DDP (Datagram Delivery Protocol) |
| 38 | 0x26 | IDPR-CMTP (IDPR Control Message Transport Protocol) |
| 39 | 0x27 | TP++ (TP++ Transport Protocol) |
| 40 | 0x28 | IL (IL Transport Protocol) |
| 41 | 0x29 | IPv6 (encapsulation) |
| 42 | 0x2a | SDRP (Source Demand Routing Protocol) |
| 43 | 0x2b | IPv6-Route (Routing Header for IPv6) |
| 44 | 0x2c | IPv6-Frag (Fragment Header for IPv6) |
| 45 | 0x2d | IDRP (Inter-Domain Routing Protocol) |
| 46 | 0x2e | RSVP (Resource Reservation Protocol) |
| 47 | 0x2f | GRE (Generic Routing Encapsulation) |
| 48 | 0x30 | DSR (Dynamic Source Routing Protocol) |
| 49 | 0x31 | BNA (BNA) |
| 50 | 0x32 | ESP (Encapsulating Security Payload) |
| 51 | 0x33 | AH (Authentication Header) |
| 52 | 0x34 | I-NLSP (Integrated Net Layer Security Protocol) |
| 53 | 0x35 | SWIPE (IP with Encryption) |
| 54 | 0x36 | NARP (NBMA Address Resolution Protocol) |
| 55 | 0x37 | MOBILE (IP Mobility) |
| 56 | 0x38 | TLSP (Transport Layer Security Protocol using Kryptonet key management) |
| 57 | 0x39 | SKIP (Simple Key-Management for Internet Protocol) |
| 58 | 0x3a | ICMPv6 (Internet Control Message Protocol for IPv6) |
| 59 | 0x3b | IPv6-NoNxt (No Next Header for IPv6) |
| 60 | 0x3c | IPv6-Opts (Destination Options for IPv6) |
| 61 | 0x3d | Any host internal protocol |
| 62 | 0x3e | CFTP (CFTP) |
| 63 | 0x3f | Any local network |
| 64 | 0x40 | SAT-EXPAK (SATNET and Backroom EXPAK) |
| 65 | 0x41 | KRYPTOLAN (Kryptolan) |
| 66 | 0x42 | RVD (MIT Remote Virtual Disk Protocol) |
| 67 | 0x43 | IPPC (Internet Pluribus Packet Core) |
| 68 | 0x44 | Any distributed file system |
| 69 | 0x45 | SAT-MON (SATNET Monitoring) |
| 70 | 0x46 | VISA (VISA Protocol) |
| 71 | 0x47 | IPCV (Internet Packet Core Utility) |
| 72 | 0x48 | CPNX (Computer Protocol Network Executive) |
| 73 | 0x49 | CPHB (Computer Protocol Heart Beat) |
| 74 | 0x4a | WSN (Wang Span Network) |
| 75 | 0x4b | PVP (Packet Video Protocol) |
| 76 | 0x4c | BR-SAT-MON (Backroom SATNET Monitoring) |
| 77 | 0x4d | SUN-ND (SUN ND PROTOCOL-Temporary) |
| 78 | 0x4e | WB-MON (WIDEBAND Monitoring) |
| 79 | 0x4f | WB-EXPAK (WIDEBAND EXPAK) |
| 80 | 0x50 | ISO-IP (ISO Internet Protocol) |
| 81 | 0x51 | VMTP (VMTP) |
| 82 | 0x52 | SECURE-VMTP (SECURE-VMTP) |
| 83 | 0x53 | VINES (VINES) |
| 84 | 0x54 | TTP (TTP) |
| 85 | 0x55 | NSFNET-IGP (NSFNET-IGP) |
| 86 | 0x56 | DGP (Dissimilar Gateway Protocol) |
| 87 | 0x57 | TCF (TCF) |
| 88 | 0x58 | EIGRP (EIGRP) |
| 89 | 0x59 | OSPFIGP (Open Shortest Path First) |
| 90 | 0x5a | Sprite-RPC (Sprite RPC Protocol) |
| 91 | 0x5b | LARP (Locus Address Resolution Protocol) |
| 92 | 0x5c | MTP (Multicast Transport Protocol) |
| 93 | 0x5d | AX.25 (AX.25) |
| 94 | 0x5e | IPIP (IP-within-IP Encapsulation Protocol) |
| 95 | 0x5f | MICP (Mobile Internetworking Control Protocol) |
| 96 | 0x60 | SCC-SP (Semaphore Communications Sec. Pro) |
| 97 | 0x61 | ETHERIP (Ethernet-within-IP Encapsulation) |
| 98 | 0x62 | ENCAP (Encapsulation Header) |
| 99 | 0x63 | Any private encryption scheme |
| 100 | 0x64 | GMTP (GMTP) |
| 101 | 0x65 | IFMP (Ipsilon Flow Management Protocol) |
| 102 | 0x66 | PNNI (PNNI over IP) |
| 103 | 0x67 | PIM (Protocol Independent Multicast) |
| 104 | 0x68 | ARIS (ARIS) |
| 105 | 0x69 | SCPS (SCPS) |
| 106 | 0x6a | QNX (QNX) |
| 107 | 0x6b | A/N (Active Networks) |
| 108 | 0x6c | IPComp (IP Payload Compression Protocol) |
| 109 | 0x6d | SNP (Sitara Networks Protocol) |
| 110 | 0x6e | Compaq-Peer (Compaq Peer Protocol) |
| 111 | 0x6f | IPX-in-IP (IPX in IP) |
| 112 | 0x70 | VRRP (Virtual Router Redundancy Protocol) |
| 113 | 0x71 | PGM (PGM Reliable Transport Protocol) |
| 114 | 0x72 | any 0-hop protocol |
| 115 | 0x73 | L2TP (Layer Two Tunneling Protocol) |
| 116 | 0x74 | DDX (D-II Data Exchange (DDX)) |
| 117 | 0x75 | IATP (Interactive Agent Transfer Protocol) |
| 118 | 0x76 | STP (Schedule Transfer Protocol) |
| 119 | 0x77 | SRP (SpectraLink Radio Protocol) |
| 120 | 0x78 | UTI (UTI) |
| 121 | 0x79 | SMP (Simple Message Protocol) |
| 122 | 0x7a | SM (Simple Multicast Protocol) |
| 123 | 0x7b | PTP (Performance Transparency Protocol) |
| 124 | 0x7c | ISIS over IPv4 |
| 125 | 0x7d | FIRE (Flexible Intra-AS Routing Environment) |
| 126 | 0x7e | CRTP (Combat Radio Transport Protocol) |
| 127 | 0x7f | CRUDP (Combat Radio User Datagram) |
| 128 | 0x80 | SSCOPMCE (SSCOPMCE) |
| 129 | 0x81 | IPLT (IPLT) |
| 130 | 0x82 | SPS (Secure Packet Shield) |
| 131 | 0x83 | PIPE (Private IP Encapsulation within IP) |
| 132 | 0x84 | SCTP (Stream Control Transmission Protocol) |
| 133 | 0x85 | FC (Fibre Channel) |
| 134 | 0x86 | RSVP-E2E-IGNORE (RSVP-E2E-IGNORE) |
| 135 | 0x87 | Mobility Header |
| 136 | 0x88 | UDPLite (Lightweight User Datagram Protocol) |
| 137 | 0x89 | MPLS-in-IP (MPLS Encapsulation) |
| 138 | 0x8a | manet (MANET Protocols) |
| 139 | 0x8b | HIP (Host Identity Protocol) |
| 140 | 0x8c | Shim6 (Site Multihoming by IPv6 Intermediation) |
| 141 | 0x8d | WESP (Wrapped Encapsulating Security Payload) |
| 142 | 0x8e | ROHC (Robust Header Compression) |
| 143 | 0x8f | Ethernet (Ethernet) |