isUnspecified
Return true if the IP is unspecified (0.0.0.0 for IPv4 or :: for IPv6).
Examples
Unspecified IPv4:
ip("0.0.0.0/0").isUnspecified
Unspecified IPv6:
ip("::/0").isUnspecified
isUnspecifiedReturn true if the IP is unspecified (0.0.0.0 for IPv4 or :: for IPv6).
Unspecified IPv4:
ip("0.0.0.0/0").isUnspecified
Unspecified IPv6:
ip("::/0").isUnspecified