net.ipv6
Parse IPv6 addresses and write them in RFC 5952 canonical form: lower-case, zeros compressed, IPv4 embedded.
A group of 3:
parse_ipv6, format_ipv6, is_ipv6Tagged ip
4 capabilities
net.ipv4
Parse, format and check dotted-quad IPv4 addresses, refusing leading zeros, octal, hex and short forms.
A group of 3:
parse_ipv4, format_ipv4, is_ipv4
net.cidr
CIDR blocks: network, broadcast, first and last host, host count, netmask and prefix, and membership.
A group of 5:
cidr_info, cidr_contains, is_cidr, prefix_to_netmask, netmask_to_prefix
net.ip-classify
Classify an IPv4 or IPv6 address as loopback, private, link-local, multicast, documentation, CGNAT or global.
classify_ip in Python