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: 152.0.0.0 - 152.255.255.255 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 152.158.36.48" # # Use "?" to get help. # NetRange: 152.158.0.0 - 152.158.255.255 CIDR: 152.158.0.0/16 NetName: ATT-152-158-0-0-B NetHandle: NET-152-158-0-0-1 Parent: NET152 (NET-152-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: AT&T Enterprises, LLC (AEL-360) RegDate: 1992-04-01 Updated: 2024-12-05 Ref: https://rdap.arin.net/registry/ip/152.158.0.0 OrgName: AT&T Enterprises, LLC OrgId: AEL-360 Address: 208 S. Akard St. City: Dallas StateProv: TX PostalCode: 75202 Country: US RegDate: 2024-11-22 Updated: 2025-10-29 Ref: https://rdap.arin.net/registry/entity/AEL-360 OrgTechHandle: ICC-ARIN OrgTechName: IP Team OrgTechPhone: +1-888-876-2382 OrgTechEmail: rm-ipspecialist@att.com OrgTechRef: https://rdap.arin.net/registry/entity/ICC-ARIN OrgAbuseHandle: ABUSE7-ARIN OrgAbuseName: abuse OrgAbusePhone: +1-919-319-8167 OrgAbuseEmail: abuse@att.net OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE7-ARIN OrgTechHandle: ZS44-ARIN OrgTechName: IPAdmin-ATT Internet Services OrgTechPhone: +1-888-510-5545 OrgTechEmail: ipadmin@semail.att.com OrgTechRef: https://rdap.arin.net/registry/entity/ZS44-ARIN OrgRoutingHandle: ROUTI59-ARIN OrgRoutingName: Routing POC OrgRoutingPhone: +1-999-999-9999 OrgRoutingEmail: DL-routing_poc@att.com OrgRoutingRef: https://rdap.arin.net/registry/entity/ROUTI59-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. #