# Internet protocols

ip           0   IP
icmp         1   ICMP
ggp          3   GGP
tcp          6   TCP
egp          8   EGP
pup          12  PUP
udp          17  UDP
hmp          20  HMP
xns-idp      22  XNS-IDP
rdp          27  RDP
ipv6         41  IPv6
ipv6-route   43  IPv6-Route
ipv6-frag    44  IPv6-Frag
esp          50  ESP
ah           51  AH
ipv6-icmp    58  IPv6-ICMP
ipv6-nonxt   59  IPv6-NoNxt
ipv6-opts    60  IPv6-Opts
rvd          66  RVD