# # 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 1997-2025, 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 Services, Inc. (ATTW-Z) RegDate: 1983-08-23 Updated: 2024-07-30 Comment: For abuse issues contact abuse@att.net Ref: https://rdap.arin.net/registry/ip/12.0.0.0 OrgName: AT&T Services, Inc. OrgId: ATTW-Z Address: 200 S. Laurel AVE. City: MIDDLETOWN StateProv: NJ PostalCode: 07748 Country: US RegDate: 2009-12-18 Updated: 2024-05-28 Comment: Contact AT&T Abuse ( abuse@att.net ) for policy abuse issues. Comment: All policy abuse issues sent to other POCs will be disregarded. Ref: https://rdap.arin.net/registry/entity/ATTW-Z 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 OrgRoutingHandle: ROUTI59-ARIN OrgRoutingName: Routing POC OrgRoutingPhone: +1-999-999-9999 OrgRoutingEmail: routing@cbbtier3.att.net OrgRoutingRef: https://rdap.arin.net/registry/entity/ROUTI59-ARIN OrgAbuseHandle: ATTAB-ARIN OrgAbuseName: ATT Abuse OrgAbusePhone: +1-999-999-9999 OrgAbuseEmail: abuse@att.net OrgAbuseRef: https://rdap.arin.net/registry/entity/ATTAB-ARIN OrgTechHandle: IPSWI-ARIN OrgTechName: IP SWIP OrgTechPhone: +1-888-613-6330 OrgTechEmail: help@ip.att.net OrgTechRef: https://rdap.arin.net/registry/entity/IPSWI-ARIN OrgTechHandle: ZS44-ARIN OrgTechName: IPAdmin-ATT Internet Services OrgTechPhone: +1-888-510-5545 OrgTechEmail: ipadmin@att.com OrgTechRef: https://rdap.arin.net/registry/entity/ZS44-ARIN RTechHandle: IAA17-ARIN RTechName: IP Address Administration RTechPhone: +1-732-420-2071 RTechEmail: addrmgt@qsun.att.com RTechRef: https://rdap.arin.net/registry/entity/IAA17-ARIN # end # start NetRange: 12.0.1.0 - 12.0.1.255 CIDR: 12.0.1.0/24 NetName: ATT-LIN618-1 NetHandle: NET-12-0-1-0-1 Parent: ATT (NET-12-0-0-0-1) NetType: Reassigned OriginAS: Organization: ATT LINCROFT ORT (ALO-3) RegDate: 2003-08-22 Updated: 2003-08-22 Ref: https://rdap.arin.net/registry/ip/12.0.1.0 OrgName: ATT LINCROFT ORT OrgId: ALO-3 Address: 12976 HOLLENBERG City: BRIDGETON StateProv: MO PostalCode: 63044 Country: US RegDate: 2003-08-22 Updated: 2011-09-24 Ref: https://rdap.arin.net/registry/entity/ALO-3 OrgTechHandle: CMU8-ARIN OrgTechName: Muhlhausen, Carl OrgTechPhone: +1-732-576-3052 OrgTechEmail: ledzep@att.com OrgTechRef: https://rdap.arin.net/registry/entity/CMU8-ARIN OrgAbuseHandle: CMU8-ARIN OrgAbuseName: Muhlhausen, Carl OrgAbusePhone: +1-732-576-3052 OrgAbuseEmail: ledzep@att.com OrgAbuseRef: https://rdap.arin.net/registry/entity/CMU8-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 1997-2025, American Registry for Internet Numbers, Ltd. #

28.1.0.12.in-addr.arpa domain name pointer route-server.cbbtier3.att.net.

; <<>> DiG 9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.9 <<>> 12.0.1.28 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 62248 ;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;12.0.1.28. IN A ;; AUTHORITY SECTION: . 86399 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026082001 1800 900 604800 86400 ;; Query time: 5 msec ;; SERVER: 8.8.8.8#53(8.8.8.8) ;; WHEN: Fri Aug 21 07:42:20 UTC 2026 ;; MSG SIZE rcvd: 113

28.1.0.12.in-addr.arpa name = route-server.cbbtier3.att.net. Authoritative answers can be found from:

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

traceroute to 12.0.1.28 (12.0.1.28), 30 hops max, 60 byte packets 1 gateway (172.31.1.1) 4.255 ms 4.549 ms 4.599 ms 2 15019.your-cloud.host (49.12.138.15) 0.839 ms 0.852 ms 0.918 ms 3 * * * 4 * * * 5 core-spine-rdev1.cloud1.nbg1.hetzner.com (213.239.203.102) 1.695 ms core-spine-rdev2.cloud1.nbg1.hetzner.com (213.239.239.122) 1.738 ms core-spine-rdev1.cloud1.nbg1.hetzner.com (213.239.203.102) 1.867 ms 6 core12.nbg1.hetzner.com (213.239.203.105) 1.982 ms core12.nbg1.hetzner.com (213.239.239.141) 1.166 ms core12.nbg1.hetzner.com (213.239.203.105) 1.066 ms 7 juniper5.dc2.nbg1.hetzner.com (213.239.229.166) 1.244 ms juniper5.dc2.nbg1.hetzner.com (213.239.229.162) 0.540 ms 0.662 ms 8 ae79.edge8.Frankfurt1.Level3.net (62.67.26.137) 17.672 ms 17.535 ms 14.012 ms 9 4.69.209.78 (4.69.209.78) 106.701 ms 106.566 ms 91.160 ms 10 192.205.37.141 (192.205.37.141) 91.975 ms * * 11 * * * 12 * * * 13 route-server.cbbtier3.att.net (12.0.1.28) 98.196 ms 96.618 ms 95.167 ms

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