AS Number
AS0
AS Name
ATT-CERFNET-BLOCK
Org Name
AT&T Enhanced Network Services
Country / Region
United States
Registry

arin

RegDate

2000-08-09

Updated

2012-10-10

AS17225 Looking Glass
IPv4Prefixes

11

IPv6Prefixes

0

IPv4 NUMs

40,704

IPv6 NUMs(/64)

0

40,704 IPv4 Addresses
CIDR Description IP Num
12.130.0.0/18
IRR InValid
CERFnet 16384
134.24.173.0/24
CERFnet 256
134.24.236.0/22
CERFnet 1024
135.12.0.0/21
Celestica International LP 2048
149.17.208.0/20
IRR InValid
CERFnet 4096
199.107.224.0/21
CERFnet 2048
206.16.88.0/23
CERFnet 512
206.16.144.0/20
CERFnet 4096
206.17.96.0/20
CERFnet 4096
206.19.40.0/21
CERFnet customer - DNB Communications 2048
206.19.48.0/20
CERFnet 4096
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7018 ATT-INTERNET4 - AT&T Services, Inc., US United States 97,880,832 2,771,865,436,160 IPv4 IPv4 IPv6 IPv6
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS62776 HEALTH-DIALOG - Health Dialog Services Corporation, US United States 1,536 0 IPv4 IPv4
AS394268 SIHC - Sonesta International Hotels Corporation, US United States 256 0 IPv4 IPv4
AS36271 SYNACOR-CLUSTER - Synacor, Inc., US United States 1,792 2,097,152 IPv6 IPv6
IP Address Domain NUMs Domains
12.130.0.5 1 mdf001c7613r0001.bos1.attens.com
12.130.0.9 2 mdf002c7613r0001.bos1.attens.com
12.130.0.27 1 mfs-ops-ext.bos1.attens.net
12.130.0.94 3 corp-fiwg-1.bos1.attens.net
12.130.0.100 1 mdf001fsi4gs0001.bos1.attens.com
12.130.0.131 1 mdf1-opsfw-1-eth-0.bos1.attens.com
12.130.0.153 2 mdf1-bi8k-1-ve-20.bos1.attens.com
12.130.0.154 1 mdf1-bi8k-2-ve-20.bos1.attens.net
12.130.0.161 1 mdf001c7613r0001-gig-10-4.bos1.attens.com
12.130.0.169 1 mdf001c7613r0001-gig-10-2.bos1.attens.net
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