#
# 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 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
AT&T Enterprises, LLC (AEL-360)
OrgTechHandle: ZS44-ARIN
OrgTechName: IPAdmin-ATT Internet Services
OrgTechPhone: +1-888-510-5545
OrgTechEmail:
[email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/ZS44-ARIN
OrgAbuseHandle: ABUSE7-ARIN
OrgAbuseName: abuse
OrgAbusePhone: +1-919-319-8167
OrgAbuseEmail:
[email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE7-ARIN
OrgRoutingHandle: ROUTI59-ARIN
OrgRoutingName: Routing POC
OrgRoutingPhone: +1-999-999-9999
OrgRoutingEmail:
[email protected]
OrgRoutingRef: https://rdap.arin.net/registry/entity/ROUTI59-ARIN
OrgTechHandle: ICC-ARIN
OrgTechName: IP Team
OrgTechPhone: +1-888-876-2382
OrgTechEmail:
[email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/ICC-ARIN
# end
# start
NetRange: 12.203.0.0 - 12.203.255.255
CIDR: 12.203.0.0/16
NetName: ATTWORLD25
NetHandle: NET-12-203-0-0-1
Parent: ATT (NET-12-0-0-0-1)
NetType: Reallocated
OriginAS:
Organization: AT&T Services, Inc. (ATTW)
RegDate: 2010-05-04
Updated: 2010-05-04
Comment: This block is static, not dynamic.
Ref: https://rdap.arin.net/registry/ip/12.203.0.0
OrgName: AT&T Services, Inc.
OrgId: ATTW
Address: 200 S. Laurel AVE.
City: MIDDLETOWN
StateProv: NJ
PostalCode: 07748
Country: US
RegDate:
Updated: 2024-11-25
Comment: Contact AT&T Abuse (
[email protected] ) for policy abuse issues.
Comment: All policy abuse issues sent to other POCs will be disregarded.
Ref: https://rdap.arin.net/registry/entity/ATTW
OrgTechHandle: ICC-ARIN
OrgTechName: IP Team
OrgTechPhone: +1-888-876-2382
OrgTechEmail:
[email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/ICC-ARIN
OrgAbuseHandle: ATTAB-ARIN
OrgAbuseName: ATT Abuse
OrgAbusePhone: +1-999-999-9999
OrgAbuseEmail:
[email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/ATTAB-ARIN
OrgRoutingHandle: ROUTI59-ARIN
OrgRoutingName: Routing POC
OrgRoutingPhone: +1-999-999-9999
OrgRoutingEmail:
[email protected]
OrgRoutingRef: https://rdap.arin.net/registry/entity/ROUTI59-ARIN
OrgTechHandle: IPSWI-ARIN
OrgTechName: IP SWIP
OrgTechPhone: +1-888-613-6330
OrgTechEmail:
[email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/IPSWI-ARIN
# end
# start
NetRange: 12.203.14.0 - 12.203.14.7
CIDR: 12.203.14.0/29
NetName: SIXTEENT35-14-0
NetHandle: NET-12-203-14-0-1
Parent: ATTWORLD25 (NET-12-203-0-0-1)
NetType: Reassigned
OriginAS:
Organization: SIXTEENTH STREET COMMUNITY HE (SSCH-16)
RegDate: 2019-02-01
Updated: 2019-02-01
Ref: https://rdap.arin.net/registry/ip/12.203.14.0
OrgName: SIXTEENTH STREET COMMUNITY HE
OrgId: SSCH-16
Address: 1032 S CESAR E CHAVEZ DR
City: MILWAUKEE
StateProv: WI
PostalCode: 53204
Country: US
RegDate: 2019-02-01
Updated: 2019-02-01
Ref: https://rdap.arin.net/registry/entity/SSCH-16
OrgTechHandle: NAVER6-ARIN
OrgTechName: Nave, Richard
OrgTechPhone: +1-414-897-5175
OrgTechEmail:
[email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/NAVER6-ARIN
OrgAbuseHandle: NAVER6-ARIN
OrgAbuseName: Nave, Richard
OrgAbusePhone: +1-414-897-5175
OrgAbuseEmail:
[email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/NAVER6-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.
#
Map neighboring IP addresses and identify potential subnet associations.