Attribute Value type IPv6 string 2001:db8::4/64 host 2001:db8::4 address 2001:db8::4 port 0 netmask ffff:ffff:ffff:ffff:: network 2001:db8:: mask_bits 64 binary 00100000000000010000110110111000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100 hex 20010db8000000000000000000000004 first_usable 2001:db8:: last_usable 2001:db8::ffff:ffff:ffff:ffff octets 32 1 13 184 0 0 0 0 0 0 0 0 0 0 0 4 size 18446744073709551616 uint128 42540766411282592856903984951653826564 DialPacket "udp6" "" DialStream "tcp6" "" ListenPacket "udp6" "" ListenStream "tcp6" ""