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: 74.0.0.0 - 74.255.255.255 organisation: ARIN status: ALLOCATED whois: whois.arin.net changed: 2005-06 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 74.120.41.197" # # Use "?" to get help. # NetRange: 74.120.40.0 - 74.120.47.255 CIDR: 74.120.40.0/21 NetName: CROWNCASTLE-74-120-40-0 NetHandle: NET-74-120-40-0-1 Parent: NET74 (NET-74-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Crown Castle Fiber LLC (CCFL-10) RegDate: 2009-11-25 Updated: 2024-03-04 Ref: https://rdap.arin.net/registry/ip/74.120.40.0 OrgName: Crown Castle Fiber LLC OrgId: CCFL-10 Address: 8020 Katy Freeway City: Houston StateProv: TX PostalCode: 77024 Country: US RegDate: 2023-07-12 Updated: 2023-11-07 Comment: https://www.crowncastle.com/ Ref: https://rdap.arin.net/registry/entity/CCFL-10 OrgTechHandle: CCIA3-ARIN OrgTechName: Crown Castle IP Admin OrgTechPhone: +1-855-933-4237 OrgTechEmail: ipadmin@crowncastle.com OrgTechRef: https://rdap.arin.net/registry/entity/CCIA3-ARIN OrgNOCHandle: CCNOC3-ARIN OrgNOCName: Crown Castle Network Operations Center OrgNOCPhone: +1-855-933-4237 OrgNOCEmail: fibersupport@crowncastle.com OrgNOCRef: https://rdap.arin.net/registry/entity/CCNOC3-ARIN OrgAbuseHandle: CCAR-ARIN OrgAbuseName: Crown Castle Abuse Reports OrgAbusePhone: +1-855-933-4237 OrgAbuseEmail: abuse@crowncastle.com OrgAbuseRef: https://rdap.arin.net/registry/entity/CCAR-ARIN # # 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. #