Team Cymru IP to ASN Lookup v1.0

[CYMRU]  [ASN LOOKUP]  [HTTP(S) ASN LOOKUP]  [IP LOOKUP] 

Family: IPv4  IPv6       Methods: whois peer-whois
Flags: prefix cc registry allocated notruncate verbose

Insert your IP or ASN in the textbox above.

IPv4 [OPTIONAL COMMENT]
Eg. '4.2.2.2 2004-12-10 11:33:21 GMT'

AS#
Eg. 'AS23028'



IPv6 [OPTIONAL COMMENT]

--- snip snip ---
2001:5c0:8fff:fffe::ff6 2004-12-10 11:32:01 GMT
2001:5c0:8fff:fffe::ff7 2004-12-10 11:33:21 GMT
--- snip snip ---

Both IPv4 and IPv6 addresses are supported.
However, only one address family is permitted
per query. In other words, you may NOT intermix
IPv4 and IPv6 addresses.


Questions? Comments? Suggestions? Please contact TEAM CYMRU (team-cymru@cymru.com)