AS Name
ATT-CERFNET-BLOCK
Org Name
AT&T Enhanced Network Services
Registry Region
United States
Looking Glass
IPv4Prefixes

51

IPv6Prefixes

0

IPv4 NUMs

59,392

IPv6 NUMs(/64)

0

59,392 IPv4 Addresses
CIDR Description IP Num
12.64.144.0/24 AT&T Global Services (C00690187) 256
12.64.145.0/24 AT&T Global Services (C00690187) 256
12.64.146.0/24 AT&T Global Services (C00690187) 256
12.64.147.0/24 AT&T Global Services (C00690187) 256
12.64.148.0/24 AT&T Global Services (C00690187) 256
12.64.149.0/24 AT&T Global Services (C00690187) 256
12.64.152.0/24 AT&T Global Services (C00690187) 256
12.64.153.0/24 AT&T Global Services (C00690187) 256
12.64.154.0/24 AT&T Global Services (C00690187) 256
12.64.155.0/24 AT&T Global Services (C00690187) 256
12.64.156.0/24 AT&T Global Services (C00690187) 256
12.64.157.0/24 AT&T Global Services (C00690187) 256
12.66.32.0/20 AT&T Global Services (C00688289) 4096
12.66.63.0/24 AT&T Global Services (C00688289) 256
12.66.64.0/24 AT&T Global Services (C00688289) 256
12.66.65.0/24 AT&T Global Services (C00688289) 256
12.66.66.0/24 AT&T Global Services (C00688289) 256
12.66.67.0/24 AT&T Global Services (C00688289) 256
12.66.69.0/24 AT&T Global Services (C00688289) 256
12.66.70.0/24 AT&T Global Services (C00688289) 256
12.66.71.0/24 AT&T Global Services (C00688289) 256
12.67.6.0/24 AT&T Global Services (C00688289) 256
12.67.9.0/24 AT&T Global Services (C00688289) 256
32.228.128.0/24 CTUS-RASpool CSPR8-NW45A (C02239361) 256
32.228.129.0/24 CTUS-RASpool CSPR8-NW45A (C02239361) 256
32.228.130.0/24 CTUS-RASpool CSPR8-NW45A (C02239361) 256
32.228.131.0/24 CTUS-RASpool CSPR8-NW45A (C02239361) 256
32.228.132.0/24 CTUS-RASpool CSPR8-NW45A (C02239361) 256
32.228.133.0/24 CTUS-RASpool CSPR8-NW45A (C02239361) 256
32.228.134.0/24 CTUS-RASpool CSPR8-NW45A (C02239361) 256
32.228.135.0/24 CTUS-RASpool CSPR8-NW45A (C02239361) 256
32.228.160.0/21 CTUS-RASpool CSPR8-NW46A (C02239363) 2048
63.240.192.0/19 CERFnet 8192
134.24.162.0/24 CERFnet 256
134.24.240.0/22 LafargeNA-BE-15442 (C01911164) 1024
150.170.2.0/24 E.I. du Pont de Nemours and Co., Inc. 256
161.68.4.0/24 Holcim (US), Inc. 256
161.68.8.0/24 Holcim (US), Inc. 256
199.106.176.0/21 CERFnet 2048
199.107.32.0/21 CI - NIC USA Inc. SID-9359 (C02692538) 2048
199.107.40.0/21 CI - AT&T Internal Projects (eContact) Voice Tone -SID-21406 (C03356473) 2048
199.107.64.0/21 CERFnet 2048
199.107.128.0/21 CERFnet customer - Xircom 2048
199.108.192.0/20 SID-8862 CI - Radial, Inc. (C06451268) 4096
206.16.66.0/23 ID - AT&T AENS - Power SID-9293 (C01822497) 512
206.16.192.0/18 Mentora Group, Inc. (C00440795) 16384
206.16.202.0/23 GSI Commerce (C00619769) 512
206.16.210.0/24 LaFarge (C00759771) 256
206.16.214.0/24 GSI Commerce (C00821974) 256
206.16.220.0/23 GSI Commerce (C01034245) 512
206.17.16.0/20 CI - BlizzardEntertainmentInc - SID-18092 (C03346806) 4096
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7018 ATT-INTERNET4 - AT&T Services, Inc., US United States 99,010,048 2,676,318,797,824 IPv4 IPv4
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS11880 TICKE-19-ASN - Tickets.com, Inc., US United States 1,280 0 IPv4 IPv4
AS17144 NUANCE-NOD - NUANCE COMMUNICATIONS, INC, US United States 1,792 196,608 IPv4 IPv4
AS2386 INS-AS - AT&T Data Communications Services, US United States 490,880 786,432 IPv4 IPv4
AS11345 AKIMA-MANAGEMENT-SERVICES - Akima Management Services, Inc., US United States 256 0 IPv4 IPv4
AS14372 AS14372 - Pegasystems Inc., US United States 768 0 IPv4 IPv4
AS14451 GEICO02 - GEICO, US United States 512 0 IPv4 IPv4
AS11261 EHI-PROD-SJ-AS - eHealthInsurance Services Inc., US United States 1,536 0 IPv4 IPv4
AS13788 USCOURTS - US Courts, US United States 4,608 0 IPv4 IPv4
AS30082 QS1-DATA-SYSTEMS - QS1 Data Systems, US United States 8,448 0 IPv4 IPv4
AS40458 CMIGNET - CMFG Life Insurance Company, US United States 1,536 0 IPv4 IPv4
AS62685 ORIONVM - OrionVM Inc, US United States 6,656 0 IPv4 IPv4
AS63335 CITIZENS-BANK-AS - RBS Citizens, NA, US United States 10,240 65,536 IPv4 IPv4
AS393415 LITTNET - LITTLER MENDELSON, P.C., US United States 1,024 0 IPv4 IPv4
AS4465 EASYLINK1 - AT&T Services, Inc., US United States 512 0 IPv4 IPv4
AS6998 BRITEVOICE - Brite Voice Systems LLC, US United States 8,704 0 IPv4 IPv4
AS11604 HIS-NOC - Heller Information Services, Inc., US United States 2,048 0 IPv4 IPv4
AS20308 STARTEKUSA - StarTek USA, INC., US United States 3,328 0 IPv4 IPv4
AS30634 GSIC-VA - Radial, Inc., US United States 1,792 0 IPv4 IPv4
AS53590 ROSETTASTONE - Rosetta Stone, LTD., US United States 768 0 IPv4 IPv4
ASNumber:       17224 - 17233
ASName:         ATT-CERFNET-BLOCK
ASHandle:       AS17224
RegDate:        2000-08-09
Updated:        2000-08-09    
Ref:            https://rdap.arin.net/registry/autnum/17224


OrgName:        AT&T Enhanced Network Services
OrgId:          AENS-1
Address:        P.O. Box 919014
City:           San Diego
StateProv:      CA
PostalCode:     92191
Country:        US
RegDate:        2000-08-09
Updated:        2012-10-10
Ref:            https://rdap.arin.net/registry/entity/AENS-1


OrgAbuseHandle: CERF-HM-ARIN
OrgAbuseName:   ATand T Enhanced Network Services
OrgAbusePhone:  +1-858-812-5000 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CERF-HM-ARIN

OrgTechHandle: CERF-HM-ARIN
OrgTechName:   ATand T Enhanced Network Services
OrgTechPhone:  +1-858-812-5000 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/CERF-HM-ARIN

RTechHandle: CERF-HM-ARIN
RTechName:   ATand T Enhanced Network Services
RTechPhone:  +1-858-812-5000 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/CERF-HM-ARIN