hopopt             0 HOPOPT           # IPv6 Hop-by-Hop Option
icmp               1 ICMP             # Internet Control Message
igmp               2 IGMP             # Internet Group Management
ggp                3 GGP              # Gateway-to-Gateway
ipv4               4 IPv4             # IPv4 encapsulation
st                 5 ST               # Stream
tcp                6 TCP              # Transmission Control
cbt                7 CBT              # CBT
egp                8 EGP              # Exterior Gateway Protocol
igp                9 IGP              # any private interior gateway
bbn-rcc-mon       10 BBN-RCC-MON      # BBN RCC Monitoring
nvp-ii            11 NVP-II           # Network Voice Protocol
pup               12 PUP              # PUP
emcon             14 EMCON            # EMCON
xnet              15 XNET             # Cross Net Debugger
chaos             16 CHAOS            # Chaos
udp               17 UDP              # User Datagram
mux               18 MUX              # Multiplexing
dcn-meas          19 DCN-MEAS         # DCN Measurement Subsystems
hmp               20 HMP              # Host Monitoring
prm               21 PRM              # Packet Radio Measurement
xns-idp           22 XNS-IDP          # XEROX NS IDP
trunk-1           23 TRUNK-1          # Trunk-1
trunk-2           24 TRUNK-2          # Trunk-2
leaf-1            25 LEAF-1           # Leaf-1
leaf-2            26 LEAF-2           # Leaf-2
rdp               27 RDP              # Reliable Data Protocol
irtp              28 IRTP             # Internet Reliable Transaction
iso-tp4           29 ISO-TP4          # ISO Transport Protocol Class 4
netblt            30 NETBLT           # Bulk Data Transfer Protocol
mfe-nsp           31 MFE-NSP          # MFE Network Services Protocol
merit-inp         32 MERIT-INP        # MERIT Internodal Protocol
dccp              33 DCCP             # Datagram Congestion Control Protocol
3pc               34 3PC              # Third Party Connect Protocol
idpr              35 IDPR             # Inter-Domain Policy Routing Protocol
xtp               36 XTP              # XTP
ddp               37 DDP              # Datagram Delivery Protocol
idpr-cmtp         38 IDPR-CMTP        # IDPR Control Message Transport Proto
tp++              39 TP++             # TP++ Transport Protocol
il                40 IL               # IL Transport Protocol
ipv6              41 IPv6             # IPv6 encapsulation
sdrp              42 SDRP             # Source Demand Routing Protocol
ipv6-route        43 IPv6-Route       # Routing Header for IPv6
ipv6-frag         44 IPv6-Frag        # Fragment Header for IPv6
idrp              45 IDRP             # Inter-Domain Routing Protocol
rsvp              46 RSVP             # Reservation Protocol
gre               47 GRE              # Generic Routing Encapsulation
dsr               48 DSR              # Dynamic Source Routing Protocol
bna               49 BNA              # BNA
esp               50 ESP              # Encap Security Payload
ah                51 AH               # Authentication Header
i-nlsp            52 I-NLSP           # Integrated Net Layer Security  TUBA
narp              54 NARP             # NBMA Address Resolution Protocol
mobile            55 MOBILE           # IP Mobility
tlsp              56 TLSP             # Transport Layer Security Protocol
skip              57 SKIP             # SKIP
ipv6-icmp         58 IPv6-ICMP        # ICMP for IPv6
ipv6-nonxt        59 IPv6-NoNxt       # No Next Header for IPv6
ipv6-opts         60 IPv6-Opts        # Destination Options for IPv6
cftp              62 CFTP             # CFTP
sat-expak         64 SAT-EXPAK        # SATNET and Backroom EXPAK
kryptolan         65 KRYPTOLAN        # Kryptolan
rvd               66 RVD              # MIT Remote Virtual Disk Protocol
ippc              67 IPPC             # Internet Pluribus Packet Core
sat-mon           69 SAT-MON          # SATNET Monitoring
visa              70 VISA             # VISA Protocol
ipcv              71 IPCV             # Internet Packet Core Utility
cpnx              72 CPNX             # Computer Protocol Network Executive
cphb              73 CPHB             # Computer Protocol Heart Beat
wsn               74 WSN              # Wang Span Network
pvp               75 PVP              # Packet Video Protocol
br-sat-mon        76 BR-SAT-MON       # Backroom SATNET Monitoring
sun-nd            77 SUN-ND           # SUN ND PROTOCOL-Temporary
wb-mon            78 WB-MON           # WIDEBAND Monitoring
wb-expak          79 WB-EXPAK         # WIDEBAND EXPAK
iso-ip            80 ISO-IP           # ISO Internet Protocol
vmtp              81 VMTP             # VMTP
secure-vmtp       82 SECURE-VMTP      # SECURE-VMTP
vines             83 VINES            # VINES
iptm              84 IPTM             # Internet Protocol Traffic Manager
nsfnet-igp        85 NSFNET-IGP       # NSFNET-IGP
dgp               86 DGP              # Dissimilar Gateway Protocol
tcf               87 TCF              # TCF
eigrp             88 EIGRP            # EIGRP
ospfigp           89 OSPFIGP          # OSPFIGP
sprite-rpc        90 Sprite-RPC       # Sprite RPC Protocol
larp              91 LARP             # Locus Address Resolution Protocol
mtp               92 MTP              # Multicast Transport Protocol
ax.25             93 AX.25            # AX.25 Frames
ipip              94 IPIP             # IP-within-IP Encapsulation Protocol
scc-sp            96 SCC-SP           # Semaphore Communications Sec. Pro.
etherip           97 ETHERIP          # Ethernet-within-IP Encapsulation
encap             98 ENCAP            # Encapsulation Header
gmtp             100 GMTP             # GMTP
ifmp             101 IFMP             # Ipsilon Flow Management Protocol
pnni             102 PNNI             # PNNI over IP
pim              103 PIM              # Protocol Independent Multicast
aris             104 ARIS             # ARIS
scps             105 SCPS             # SCPS
qnx              106 QNX              # QNX
a/n              107 A/N              # Active Networks
ipcomp           108 IPComp           # IP Payload Compression Protocol
snp              109 SNP              # Sitara Networks Protocol
compaq-peer      110 Compaq-Peer      # Compaq Peer Protocol
ipx-in-ip        111 IPX-in-IP        # IPX in IP
vrrp             112 VRRP             # Virtual Router Redundancy Protocol
pgm              113 PGM              # PGM Reliable Transport Protocol
l2tp             115 L2TP             # Layer Two Tunneling Protocol
ddx              116 DDX              # D-II Data Exchange (DDX)
iatp             117 IATP             # Interactive Agent Transfer Protocol
stp              118 STP              # Schedule Transfer Protocol
srp              119 SRP              # SpectraLink Radio Protocol
uti              120 UTI              # UTI
smp              121 SMP              # Simple Message Protocol
ptp              123 PTP              # Performance Transparency Protocol
fire             125 FIRE             #
crtp             126 CRTP             # Combat Radio Transport Protocol
crudp            127 CRUDP            # Combat Radio User Datagram
sscopmce         128 SSCOPMCE         #
iplt             129 IPLT             #
sps              130 SPS              # Secure Packet Shield
pipe             131 PIPE             # Private IP Encapsulation within IP
sctp             132 SCTP             # Stream Control Transmission Protocol
fc               133 FC               # Fibre Channel
rsvp-e2e-ignore  134 RSVP-E2E-IGNORE  #
udplite          136 UDPLite          #
mpls-in-ip       137 MPLS-in-IP       #
manet            138 manet            # MANET Protocols
hip              139 HIP              # Host Identity Protocol
shim6            140 Shim6            # Shim6 Protocol
wesp             141 WESP             # Wrapped Encapsulating Security Payload
rohc             142 ROHC             # Robust Header Compression
ethernet         143 Ethernet         # Ethernet
aggfrag          144 AGGFRAG          # AGGFRAG encapsulation payload for ESP
nsh              145 NSH              # Network Service Header
reserved         255 Reserved         #
