hex-code dec-code size name
04 4 32 ip4
29 41 128 ip6
06 6 16 tcp
11 17 16 udp
21 33 16 dccp
84 132 16 sctp
12D 301 0 udt
12E 302 0 utp
2A 42 -1 ipfs
1E0 480 0 http
1BB 443 0 https
1DD 477 0 ws
1BC 444 10 onion
113 275 0 libp2p-webrtc-star
