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# # 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 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_poc@att.com OrgRoutingRef: https://rdap.arin.net/registry/entity/ROUTI59-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 # end # start NetRange: 12.74.0.0 - 12.74.255.255 CIDR: 12.74.0.0/16 NetName: ATTSVC-12-74-0-0 NetHandle: NET-12-74-0-0-1 Parent: ATT (NET-12-0-0-0-1) NetType: Reassigned OriginAS: Customer: AT&T Worldnet Services (C00686971) 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/12.74.0.0 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/C00686971 OrgAbuseHandle: ABUSE7-ARIN OrgAbuseName: abuse OrgAbusePhone: +1-919-319-8167 OrgAbuseEmail: abuse@att.net OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE7-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 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: 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 # 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. #
Cached: 2026.09.26 00:33:40/ 17 days 2 hours ago
23.234.74.12.in-addr.arpa domain name pointer 23.dallas-30rh16rt-31rh15rt.tx.dial-access.att.net.
Cached: 2026.09.26 00:33:01/ 17 days 2 hours ago
; <<>> DiG 9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.9 <<>> 12.74.234.23 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 48956 ;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;12.74.234.23. IN A ;; AUTHORITY SECTION: . 86399 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026092502 1800 900 604800 86400 ;; Query time: 4 msec ;; SERVER: 8.8.8.8#53(8.8.8.8) ;; WHEN: Sat Sep 26 00:33:01 UTC 2026 ;; MSG SIZE rcvd: 116
Cached: 2026.09.26 00:32:51/ 17 days 2 hours ago
23.234.74.12.in-addr.arpa name = 23.dallas-30rh16rt-31rh15rt.tx.dial-access.att.net. Authoritative answers can be found from:
No results found, please run it to get the result.
Cached: 2026.09.26 00:34:40/ 17 days 2 hours ago
traceroute to 12.74.234.23 (12.74.234.23), 30 hops max, 60 byte packets 1 gateway (172.31.1.1) 5.812 ms 6.175 ms 6.281 ms 2 15019.your-cloud.host (49.12.138.15) 1.944 ms 1.971 ms 2.012 ms 3 * * * 4 * * * 5 core-spine-rdev1.cloud1.nbg1.hetzner.com (213.239.203.102) 2.873 ms core-spine-rdev2.cloud1.nbg1.hetzner.com (213.239.239.122) 2.874 ms 2.846 ms 6 core11.nbg1.hetzner.com (213.239.203.101) 2.914 ms core11.nbg1.hetzner.com (213.239.239.121) 1.170 ms 1.101 ms 7 juniper5.dc2.nbg1.hetzner.com (213.239.229.166) 4.570 ms 3.777 ms 3.732 ms 8 ae79.edge8.Frankfurt1.Level3.net (62.67.26.137) 14.149 ms 19.379 ms 19.268 ms 9 4.69.209.78 (4.69.209.78) 92.503 ms 95.341 ms 91.006 ms 10 192.205.37.141 (192.205.37.141) 92.712 ms * * 11 32.130.91.64 (32.130.91.64) 121.774 ms * 118.995 ms 12 * * * 13 * * * 14 * * * 15 dtrmi83crs.ip.att.net (12.122.152.38) 126.091 ms 124.018 ms 126.091 ms 16 * * * 17 * * * 18 * * * 19 * * * 20 * * * 21 * * * 22 * * * 23 * * * 24 * * * 25 * * * 26 * * * 27 * * * 28 * * * 29 * * * 30 * * *
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 1997-2026, 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

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_poc@att.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI59-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

# end


# start

NetRange:       12.74.0.0 - 12.74.255.255
CIDR:           12.74.0.0/16
NetName:        ATTSVC-12-74-0-0
NetHandle:      NET-12-74-0-0-1
Parent:         ATT (NET-12-0-0-0-1)
NetType:        Reassigned
OriginAS:       
Customer:       AT&T Worldnet Services (C00686971)
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/12.74.0.0


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/C00686971

OrgAbuseHandle: ABUSE7-ARIN
OrgAbuseName:   abuse
OrgAbusePhone:  +1-919-319-8167 
OrgAbuseEmail:  abuse@att.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE7-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

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: 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

# 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.
#

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