Identify the form (IPv4 or IPv6) of a vector of IP addresses. This can also be used to validate IPs.
ip_classify(ip_addresses)
a vector containing the class of each input IP address; either "IPv4", "IPv6" or, for IP addresses that were not valid, NA.
is_valid et al for logical checks of IP addresses,
ip_to_hostname for resolving IP addresses to their
hostnames, and ip_to_numeric for converting (IPv4) IP addresses
to their numeric representation.
#IPv4 ip_classify("173.194.123.100")#> [1] "IPv4" #>#[1] "IPv4" #IPv6 ip_classify("2607:f8b0:4006:80b::1004")#> [1] "IPv6" #>#[1] "IPv6" #Invalid ip_classify("East Coast Twitter is Best Twitter")#> [1] NA #>#[1] NA