2012-03-13T19:09:59-04:00https://rdap.arin.net/registry/ip/100.64.0.0https://whois.arin.net/rest/net/NET-100-64-0-0-1100.127.255.255NET-100-64-0-0-1SHARED-ADDRESS-SPACE-RFC6598-IANA-RESERVED10100.127.255.255IANA Special UseIU100.64.0.0falsehttps://whois.arin.net/rest/org/IANAhttps://whois.arin.net/rest/net/NET-100-0-0-0-0This block is used as Shared Address Space. Traffic from these addresses does not come from IANA. IANA has simply reserved these numbers in its database and does not use or operate them. We are not the source of activity you may see on logs or in e-mail records. Please refer to http://www.iana.org/abuse/ Shared Address Space can only be used in Service Provider networks or on routing equipment that is able to do address translation across router interfaces when addresses are identical on two different interfaces. This block was assigned by the IETF in the Best Current Practice document, RFC 6598 which can be found at: http://tools.ietf.org/html/rfc6598100.64.0.02024-05-24T10:19:53-04:004