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: 148.0.0.0 - 148.255.255.255 organisation: Administered by ARIN status: LEGACY whois: whois.arin.net changed: 1993-05 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 148.77.107.17" # # Use "?" to get help. # Optimum Online OPTO (NET-148-77-0-0-1) 148.77.0.0 - 148.77.255.255 Cablevision Systems Corp. OOL-CPE-LP-148-77-0-0-17 (NET-148-77-0-0-2) 148.77.0.0 - 148.77.127.255 Broadband Office Solutions CVNET-944D6B10 (NET-148-77-107-16-1) 148.77.107.16 - 148.77.107.31 # # 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. #