Returns the IP address string for an IP address. This can be either a dotted address for an integer representing an IPv4 address, or an IPv6 address string for ipv6-address.
An integer or an ipv6-address.
A string, either dotted string format for an integer or an IPv6 string for ipv6-address.
ip-address-string converts its argument to a string in the standard IP address notation. For an IPv4 address (supplied as an integer) this is the
a.b.c.d notation. For IPv6 it is the standard IPv6 address notation (not including scope ID).
LispWorks User Guide and Reference Manual - 20 Sep 2017