# # 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. # # start NetRange: 12.0.0.0 - 12.255.255.255 CIDR: 12.0.0.0/8 NetName: ATT NetHandle: NET-12-0-0-0-1 Parent: NET12 (NET-12-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: AT&T Enterprises, LLC (AEL-360) RegDate: 1983-08-23 Updated: 2025-12-02 Comment: IP assignments within this IP Block range are STATIC, not dynamic. Ref: https://rdap.arin.net/registry/ip/12.0.0.0 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: 2026-06-05 Ref: https://rdap.arin.net/registry/entity/AEL-360 OrgAbuseHandle: ABUSE7-ARIN OrgAbuseName: abuse OrgAbusePhone: +1-919-319-8167 OrgAbuseEmail: abuse@att.net OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE7-ARIN OrgRoutingHandle: ROUTI59-ARIN OrgRoutingName: Routing POC OrgRoutingPhone: +1-999-999-9999 OrgRoutingEmail: routing_poc@att.com OrgRoutingRef: https://rdap.arin.net/registry/entity/ROUTI59-ARIN 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 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 # end # start NetRange: 12.75.0.0 - 12.75.255.255 CIDR: 12.75.0.0/16 NetName: ATTSVC-12-75-0-0 NetHandle: NET-12-75-0-0-1 Parent: ATT (NET-12-0-0-0-1) NetType: Reassigned OriginAS: Customer: AT&T Worldnet Services (C00686972) RegDate: 2003-10-15 Updated: 2003-10-15 Comment: Contact AT&T Abuse ( abuse@att.net ) for policy abuse issues. Ref: https://rdap.arin.net/registry/ip/12.75.0.0 CustName: AT&T Worldnet Services Address: 412 Mount Kemble Ave. Address: P.O. Box 1995 City: Morristown StateProv: NJ PostalCode: 07962 Country: US RegDate: 2003-10-15 Updated: 2011-03-19 Ref: https://rdap.arin.net/registry/entity/C00686972 OrgAbuseHandle: ABUSE7-ARIN OrgAbuseName: abuse OrgAbusePhone: +1-919-319-8167 OrgAbuseEmail: abuse@att.net OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE7-ARIN OrgRoutingHandle: ROUTI59-ARIN OrgRoutingName: Routing POC OrgRoutingPhone: +1-999-999-9999 OrgRoutingEmail: routing_poc@att.com OrgRoutingRef: https://rdap.arin.net/registry/entity/ROUTI59-ARIN 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 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 # end # # 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. #

Host 55.79.75.12.in-addr.arpa. not found: 3(NXDOMAIN)

; <<>> DiG 9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.9 <<>> 12.75.79.55 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 53641 ;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;12.75.79.55. IN A ;; AUTHORITY SECTION: . 86240 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026060501 1800 900 604800 86400 ;; Query time: 4 msec ;; SERVER: 8.8.8.8#53(8.8.8.8) ;; WHEN: Fri Jun 05 23:03:16 UTC 2026 ;; MSG SIZE rcvd: 115

** server can't find 55.79.75.12.in-addr.arpa.: NXDOMAIN

PING 12.75.79.55 (12.75.79.55) 56(84) bytes of data. --- 12.75.79.55 ping statistics --- 3 packets transmitted, 0 received, 100% packet loss, time 2002ms

No results found, please run it to get the result.

No results found, please run it to get the result.