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

AS17233 Looking Glass
IPv4Prefixes

13

IPv6Prefixes

0

IPv4 NUMs

30,720

IPv6 NUMs(/64)

0

30,720 IPv4 Addresses
CIDR Description IP Num
12.67.7.0/24
IRR InValid
AT&T Global Services 256
12.129.192.0/18
IRR InValid
CERFnet 16384
12.129.228.0/23
IRR InValid
CERFnet 512
12.129.236.0/23
IRR InValid
CERFnet 512
12.130.240.0/21
IRR InValid
CERFnet 2048
12.130.244.0/22
IRR InValid
CERFnet 1024
134.24.80.0/21
CERFnet 2048
134.24.163.0/24
CERFnet 256
134.24.204.0/22
CERFnet 1024
199.106.200.0/21
CERFnet 2048
199.108.32.0/20
CERFnet 4096
206.16.68.0/23
CERFnet 512
206.16.160.0/21
CERFnet 2048
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7018 ATT-INTERNET4 - AT&T Services, Inc., US United States 101,277,184 2,723,982,999,552 IPv4 IPv4
IP Address Domain NUMs Domains
12.129.192.196 3 mailer.eamobile.fi
12.129.195.110 3 jillion.net
12.129.196.33 1 www.prnlink-test.com
12.129.196.250 1 vpn.mdxnet.com
12.129.197.235 2 softchain.com
12.129.199.41 19 bigfishdemo.net
12.129.199.43 2 email-security.verisign.com
12.129.199.45 1 webmail.frontbridge.com
12.129.199.61 1 spf2.hyatt.com
12.129.199.236 1 secure.clns.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


OrgTechHandle: CERF-HM-ARIN
OrgTechName:   ATand T Enhanced Network Services
OrgTechPhone:  +1-858-812-5000 
OrgTechEmail:  notify@attens.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CERF-HM-ARIN

OrgAbuseHandle: CERF-HM-ARIN
OrgAbuseName:   ATand T Enhanced Network Services
OrgAbusePhone:  +1-858-812-5000 
OrgAbuseEmail:  notify@attens.com
OrgAbuseRef:    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:  notify@attens.com
RTechRef:    https://rdap.arin.net/registry/entity/CERF-HM-ARIN