AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
ATT-CERFNET-BLOCK AT&T Enhanced Network Services 46 0 46,336 0 United States
46,336 IPv4 Addresses
CIDR Description IP Num
12.64.192.0/24 AT&T Services, Inc. 256
12.64.193.0/24 AT&T Services, Inc. 256
12.64.194.0/24 AGNS - REMOTE ACCESS (C01080606) 256
12.64.195.0/24 AGNS - REMOTE ACCESS (C01080607) 256
12.64.196.0/24 AT&T Global Services (C00690191) 256
12.64.197.0/24 AT&T Global Services (C00690191) 256
12.64.200.0/24 AT&T Global Services (C00690194) 256
12.64.201.0/24 AT&T Global Services (C00690194) 256
12.64.202.0/24 AT&T Global Services (C00690194) 256
12.64.203.0/24 AT&T Global Services (C00690194) 256
12.64.204.0/24 AT&T Global Services (C00690194) 256
12.64.205.0/24 AT&T Global Services (C00690194) 256
12.66.62.0/24 AT&T Global Services (C00688289) 256
12.66.85.0/24 AT&T Global Services (C00688289) 256
12.66.86.0/23 AT&T Global Services (C00688289) 512
12.66.88.0/21 AT&T Global Services (C00688289) 2048
12.66.96.0/21 AT&T Global Services (C00688289) 2048
12.66.104.0/23 AT&T Global Services (C00688289) 512
12.67.5.0/24 AT&T Global Services (C00688289) 256
12.130.232.0/21 CERFnet 2048
32.102.50.0/24 CTUS-pool INT-LIG1D (C02239649) 256
32.224.142.0/24 CTUS-RASpool CSPR4-NW5B (C02239273) 256
32.228.176.0/24 CTUS-RASpool CSPR8-NW46C (C02239364) 256
32.228.177.0/24 CTUS-RASpool CSPR8-NW46C (C02239364) 256
32.228.178.0/23 CTUS-RASpool CSPR8-NW46C (C02239364) 512
32.228.180.0/24 CTUS-RASpool CSPR8-NW46C (C02239364) 256
32.228.184.0/23 CTUS-RASpool CSPR8-NW46C (C02239364) 512
32.228.186.0/24 CTUS-RASpool CSPR8-NW46C (C02239364) 256
32.229.128.0/24 CTUS-RASpool CSPR9-NW55A (C02239380) 256
32.229.129.0/24 CTUS-RASpool CSPR9-NW55A (C02239380) 256
32.229.130.0/24 CTUS-RASpool CSPR9-NW55A (C02239380) 256
32.229.131.0/24 CTUS-RASpool CSPR9-NW55A (C02239380) 256
32.229.132.0/24 CTUS-RASpool CSPR9-NW55A (C02239380) 256
32.229.133.0/24 CTUS-RASpool CSPR9-NW55A (C02239380) 256
32.229.134.0/24 CTUS-RASpool CSPR9-NW55A (C02239380) 256
32.229.135.0/24 CTUS-RASpool CSPR9-NW55A (C02239380) 256
63.241.192.0/18 CERFnet 16384
63.241.244.0/24 Essilor USA (C00796029) 256
134.24.161.0/24 CERFnet 256
134.24.220.0/22 CERFnet 1024
199.107.120.0/21 AIP - Acer America Corporation SID-19952 (C02912420) 2048
206.16.16.0/20 ZUSTEK CORP (C01437546) 4096
206.16.56.0/21 Gibson, Dunn & Crutcher, LLP (C01120909) 2048
206.16.64.0/23 CERFnet 512
206.18.176.0/20 CERFnet 4096
209.251.236.0/24 Hitachi Consulting Corporation 256
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7018 ATT-INTERNET4 - AT&T Services, Inc., US United States 83,807,232 2,328,426,577,920 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS18523 CHEP-AS1 - CHEP International, Inc., US United States 2,560 0 IPv4 IPv4
AS18604 HPS - Heartland Payment Systems, Inc., US United States 1,280 65,536 IPv4 IPv4 IPv6 IPv6
AS26704 OPENTEXT-AS-NA-US4 - Open Text Corporation, CA Canada 18,432 0 IPv4 IPv4
AS30390 IMERYS-UK-PARMOOR-ASNUMBER - Imerys Pigments, US United States 768 0 IPv4 IPv4
AS33085 THE-MENS-WEARHOUSE - The Men's Wearhouse, US United States 1,280 0 IPv4 IPv4
AS394076 EXTERRAN - Exterran Energy Solutions LP, US United States 256 0 IPv4 IPv4
AS5731 5731 - AT&T Services, Inc., US United States 5,120 0 IPv4 IPv4
AS30219 MLB-ADVANCED-MEDIA - Major League Baseball Advanced Media, LP, US United States 7,168 65,536 IPv4 IPv4 IPv6 IPv6
AS31814 FSI - FlightSafety International, US United States 3,840 0 IPv4 IPv4
AS36157 ACER AMERICA CORPORATION, US United States 256 0 IPv4 IPv4
AS36271 SYNACOR-CLUSTER - Synacor, Inc., US United States 6,144 2,228,480 IPv4 IPv4 IPv6 IPv6
AS2897 GEORGIA-1 - Georgia Technology Authority, US United States 590,080 0 IPv4 IPv4
IP Address Domain NUMs Domains
12.130.232.129 1 unanet.cambiumlearning.com
12.130.232.132 1 cltmgmt.cambiumlearning.com
12.130.232.133 1 crl.cambiumlearning.com
12.130.232.134 1 sso.cambiumlearning.com
12.130.232.135 1 pre.edi.cambiumlearning.com
12.130.232.136 1 ns1.voyagerlearning.com
12.130.232.138 1 zabbix.tx.cambiumlearning.com
12.130.232.139 1 txucmraexpe.cambiumlearning.com
12.130.232.141 1 ns1.cambiumlearning.com
12.130.232.145 1 remote.navyarmyccu.com
ASNumber:       17224 - 17233
ASName:         ATT-CERFNET-BLOCK
ASHandle:       AS17224
RegDate:        2000-08-08
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:        2000-08-08
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