12.255.255.255

  • No reverse DNS
  • On 1 blocklist
Network
ATTW-010810165334
Held by
CFWN Pool-MP5L16S
Range
12.255.240.0 - 12.255.255.255
CIDR
12.255.240.0/20
Type
ASSIGNMENT
Registered on
Last updated
Status
  • active
Checked

Reverse DNS

Names
None

Network

Announced by
AS7018 AT&T Enterprises, LLC
Route
12.240.0.0/12, carried by 3,177 of bgp.tools' BGP feeds
Kind
T1
Country
US
Tagged
Tor services, Anycast, Home ISP, Mobile Data/Carrier

Upstreams and peers

  • AS1299 Arelion (fka. Telia Carrier)100,908 paths
  • AS3356 Lumen (Level 3)89,108 paths
  • AS174 Cogent Communications, LLC79,031 paths
  • AS6939 Hurricane Electric LLC46,540 paths
  • AS2914 NTT America, Inc.45,973 paths
  • AS6762 Telecom Italia Sparkle (Seabone)33,088 paths
  • AS3257 GTT Communications Inc.20,277 paths
  • AS6453 TATA Communications (America) Inc16,048 paths
  • AS6461 Zayo Bandwidth15,797 paths
  • AS12956 Telxius (Telefonica Global)12,631 paths
  • AS3491 PCCW Global (HK) Ltd.12,130 paths
  • AS3320 Deutsche Telekom AG11,876 paths

And 7 more

Downstreams

  • AS2687 AT&T Enterprises, LLC4,446 paths
  • AS2386 AT&T Enterprises, LLC3,073 paths
  • AS6621 Hughes Network Systems, LLC1,633 paths
  • AS2685 AT&T Enterprises, LLC1,368 paths
  • AS33 HP Inc.1,124 paths
  • AS19957 AT&T Enterprises, LLC1,094 paths
  • AS2688 AT&T Enterprises, LLC1,012 paths
  • AS4185 AT&T Enterprises, LLC957 paths
  • AS4473 AT&T Enterprises, LLC946 paths
  • AS395924 Globecast America918 paths
  • AS20057 AT&T Enterprises, LLC915 paths
  • AS17064 TISD, Inc.873 paths

And 2,022 more

From RIPEstat

Location

Map © OpenStreetMap contributors
Location
United States
Accuracy
Within 1,000 km

Location from GeoLite2 data created by MaxMind

Blocklists

  • Spamhaus ZEN Listed: End-user range that should not send mail directly (PBL)
  • SpamCop Not listed
  • Mailspike Not listed
  • PSBL Not listed

Abuse reports

Reports
None in the last year
Used for
Fixed Line ISP
Provider
AT&T Enterprises, LLC

From AbuseIPDB

WHOIS

#
# 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


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@att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZS44-ARIN

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

# end


# start

NetRange:       12.255.240.0 - 12.255.255.255
CIDR:           12.255.240.0/20
NetName:        ATTW-010810165334
NetHandle:      NET-12-255-240-0-1
Parent:         ATT (NET-12-0-0-0-1)
NetType:        Reassigned
OriginAS:       
Customer:       CFWN Pool-MP5L16S (C02398046)
RegDate:        2010-01-08
Updated:        2010-01-08
Ref:            https://rdap.arin.net/registry/ip/12.255.240.0


CustName:       CFWN Pool-MP5L16S
Address:        200 S. LAUREL AVE BLDG-A
City:           MIDDLETOWN
StateProv:      NJ
PostalCode:     07748
Country:        US
RegDate:        2010-01-08
Updated:        2011-03-19
Ref:            https://rdap.arin.net/registry/entity/C02398046

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@att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZS44-ARIN

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