run
- whois
- host
- dig
- nslookup
- ping
- traceroute
- geoiplookup
#
# 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.
#
Cached: 2026.08.11 07:22:45/ 3 months 2 days ago
Confirmed: 2026.09.27 14:29:30/ 1 month 14 days ago
28.1.0.12.in-addr.arpa domain name pointer Confirmed: 2026.09.27 14:29:30/ 1 month 14 days ago
Cached: 2026.08.21 07:42:20/ 2 months 23 days ago
; <<>> DiG 9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.9 <<>> Cached: 2026.08.21 07:42:31/ 2 months 23 days ago
28.1.0.12.in-addr.arpa name = No results found, please run it to get the result.
Cached: 2026.08.21 07:42:53/ 2 months 23 days ago
traceroute to No results found, please run it to get the result.
# # 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:12.0.0.0-12.255.255.255CIDR: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.netRef: https://rdap.arin.net/registry/ip/12.0.0.0OrgName: 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.comOrgTechRef: https://rdap.arin.net/registry/entity/ICC-ARIN OrgRoutingHandle: ROUTI59-ARIN OrgRoutingName: Routing POC OrgRoutingPhone: +1-999-999-9999 OrgRoutingEmail: routing@cbbtier3.att.netOrgRoutingRef: https://rdap.arin.net/registry/entity/ROUTI59-ARIN OrgAbuseHandle: ATTAB-ARIN OrgAbuseName: ATT Abuse OrgAbusePhone: +1-999-999-9999 OrgAbuseEmail: abuse@att.netOrgAbuseRef: https://rdap.arin.net/registry/entity/ATTAB-ARIN OrgTechHandle: IPSWI-ARIN OrgTechName: IP SWIP OrgTechPhone: +1-888-613-6330 OrgTechEmail: help@ip.att.netOrgTechRef: https://rdap.arin.net/registry/entity/IPSWI-ARIN OrgTechHandle: ZS44-ARIN OrgTechName: IPAdmin-ATT Internet Services OrgTechPhone: +1-888-510-5545 OrgTechEmail: ipadmin@att.comOrgTechRef: https://rdap.arin.net/registry/entity/ZS44-ARIN RTechHandle: IAA17-ARIN RTechName: IP Address Administration RTechPhone: +1-732-420-2071 RTechEmail: addrmgt@qsun.att.comRTechRef: https://rdap.arin.net/registry/entity/IAA17-ARIN # end # start NetRange:12.0.1.0-12.0.1.255CIDR: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/12.0.1.0OrgName: 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.comOrgTechRef: https://rdap.arin.net/registry/entity/CMU8-ARIN OrgAbuseHandle: CMU8-ARIN OrgAbuseName: Muhlhausen, Carl OrgAbusePhone: +1-732-576-3052 OrgAbuseEmail: ledzep@att.comOrgAbuseRef: 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. #