AS Number
AS0
AS Name
ATT-CERFNET-BLOCK
Org Name
AT&T Enhanced Network Services
Registry

arin

RegDate

2000-08-09

Updated

2012-10-10

AS17226 Looking Glass
IPv4Prefixes

8

IPv6Prefixes

0

IPv4 NUMs

20,480

IPv6 NUMs(/64)

0

20,480 IPv4 Addresses
CIDR Description IP Num
12.67.12.0/24 AT&T IP Team 256
12.129.0.0/18 CERFnet 16384
12.129.14.0/24 CERFnet 256
12.129.27.0/24 CERFnet 256
134.24.166.0/24 CERFnet 256
134.24.216.0/22 CERFnet 1024
199.108.240.0/21 CERFnet 2048
206.16.74.0/23 CERFnet 512
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7018 ATT-INTERNET4 - AT&T Services, Inc., US United States 97,908,992 2,874,944,651,264 IPv4 IPv4
IP Address Domain NUMs Domains
12.129.0.10 1 mdf001c6513r0002.sea1.attens.net
12.129.0.12 1 mdf001c6513r0004.sea1.attens.com
12.129.0.57 1 mdf001c6513r0001-tge-10-4.sea1.attens.net
12.129.0.58 1 mdf001c6513r0002-tge-10-4.sea1.attens.net
12.129.0.62 1 mdf001c6513r0002-tge-12-4.sea1.attens.net
12.129.0.105 1 mdf001ifscp9001.sea1.attens.net
12.129.0.130 1 mdf1-bi8k-2-ve-30.sea1.attens.com
12.129.0.146 1 mdf1-bi8k-2-ve-21.sea1.attens.net
12.129.0.181 1 hipaautilitytool.medi-cal.ca.gov
12.129.0.208 4 bealert.smartmsg.com
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