WHOIS
Lookup an IP or domain. Uses IANA referral first, then registry WHOIS.
### IANA response (whois.iana.org) % IANA WHOIS server % for more information on IANA, visit http://www.iana.org % This query returned 1 object refer: whois.arin.net inetnum: 73.0.0.0 - 73.255.255.255 organisation: ARIN status: ALLOCATED whois: whois.arin.net changed: 2005-03 source: IANA ### Registry response (whois.arin.net) # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. # # # Query terms are ambiguous. The query is assumed to be: # "n 73.69.230.174" # # Use "?" to get help. # Comcast Cable Communications, LLC CABLE-1 (NET-73-0-0-0-1) 73.0.0.0 - 73.255.255.255 Comcast IP Services, L.L.C. BOSTON-20 (NET-73-68-0-0-1) 73.68.0.0 - 73.69.255.255 # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. #