Value,Description,Reference
00000000 to 10101111,Unassigned,
10110EEN,Extension header GHC,[RFC7400]
10111000 to 11001111,Unassigned,
11010CPP,UDP GHC,[RFC7400]
11011000 to 11011110,Unassigned,
11011111,ICMPv6 GHC,[RFC7400]
1110000N,IPv6 Hop-by-Hop Options Header,[RFC6282]
1110001N,IPv6 Routing Header,[RFC6282]
1110010N,IPv6 Fragment Header,[RFC6282]
1110011N,IPv6 Destinations Options Header,[RFC6282]
1110100N,IPv6 Mobility Header,[RFC6282]
1110101N,Reserved for future extension headers,[RFC6282]
1110110N,Reserved for future extension headers,[RFC6282]
1110111N,IPv6 Header,[RFC6282]
11110CPP,UDP Header,[RFC6282]
11111000 to 11111110,Unassigned,
11111111,"Unassigned, reserved for extensions",[RFC6282]