- 0 & & riservato\\
- & HBH & Hop by Hop \\
- 1 & ICMP & Internet Control Message (IPv4 o IPv6) \\
- 2 & ICMP & Internet Group Management (IPv4) \\
- 3 & GGP & Gateway-to-Gateway \\
- 4 & IP & IP in IP (IPv4 encapsulation) \\
- 5 & ST & Stream \\
- 6 & TCP & Trasmission Control \\
- 17 & UDP & User Datagram \\
- 43 & RH & Routing Header (IPv6) \\
- 44 & FH & Fragment Header (IPv6) \\
- 45 & IDRP & Inter Domain Routing \\
- 51 & AH & Authentication Header (IPv6) \\
- 52 & ESP & Encrypted Security Payload (IPv6) \\
- 59 & Null & No next header (IPv6) \\
- 88 & IGRP & Internet Group Routing \\
- 89 & OSPF & Open Short Path First \\
- 255& & riservato \\
+ 0 & & Riservato.\\
+ & HBH & Hop by Hop.\\
+ 1 & ICMP & Internet Control Message (IPv4 o IPv6).\\
+ 2 & ICMP & Internet Group Management (IPv4).\\
+ 3 & GGP & Gateway-to-Gateway.\\
+ 4 & IP & IP in IP (IPv4 encapsulation).\\
+ 5 & ST & Stream.\\
+ 6 & TCP & Trasmission Control.\\
+ 17 & UDP & User Datagram.\\
+ 43 & RH & Routing Header (IPv6).\\
+ 44 & FH & Fragment Header (IPv6).\\
+ 45 & IDRP & Inter Domain Routing.\\
+ 51 & AH & Authentication Header (IPv6).\\
+ 52 & ESP & Encrypted Security Payload (IPv6).\\
+ 59 & Null & No next header (IPv6).\\
+ 88 & IGRP & Internet Group Routing.\\
+ 89 & OSPF & Open Short Path First.\\
+ 255& & Riservato.\\