ipv6-transition | R Documentation |
There are multiple mechanisms designed to help with the transition from IPv4 to IPv6. These functions make it possible to extract the embedded IPv4 address from an IPv6 address.
is_ipv4_mapped(x)
is_6to4(x)
is_teredo(x)
extract_ipv4_mapped(x)
extract_6to4(x)
extract_teredo_server(x)
extract_teredo_client(x)
x |
An |
The IPv6 transition mechanisms are described in the IETF memos:
is_xxx()
: A logical vector
extract_xxx()
: An ip_address
vector
# these examples show the reserved networks
is_ipv4_mapped(ip_network("::ffff:0.0.0.0/96"))
is_6to4(ip_network("2002::/16"))
is_teredo(ip_network("2001::/32"))
# these examples show embedded IPv4 addresses
extract_ipv4_mapped(ip_address("::ffff:192.168.0.1"))
extract_6to4(ip_address("2002:c000:0204::"))
extract_teredo_server(ip_address("2001:0000:4136:e378:8000:63bf:3fff:fdd2"))
extract_teredo_client(ip_address("2001:0000:4136:e378:8000:63bf:3fff:fdd2"))
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