AS Number
AS4185
AS Name
ATTIS-ASN4185
Org Name
AT&T Corp.
Registry

arin

RegDate

2018-03-05

Updated

2024-05-28

AS4185 Looking Glass
IPv4Prefixes

21

IPv6Prefixes

6

IPv4 NUMs

201,216

IPv6 NUMs(/64)

1,376,256

201,216 IPv4 Addresses
CIDR Description IP Num
12.14.12.0/24 AT&T Services, Inc. 256
12.14.14.0/24 AT&T Services, Inc. 256
12.150.176.0/24 TCORP-FAX-INTERNAL-AVPN-ATT (C09638576) 256
12.150.186.0/24 AT&T Services, Inc. 256
12.183.71.0/24 AT&T Services, Inc. 256
12.185.4.0/24 TCORP-FAX-INTERNAL-AVPN-ATT (C08161402) 256
12.185.7.0/24 TCORP-FAX-INTERNAL-AVPN-ATT (C08161410) 256
148.184.0.0/24 United States Nuclear Regulatory Commission 256
148.184.0.0/16 United States Nuclear Regulatory Commission 65536
152.75.0.0/24 USAGM 256
152.75.0.0/16 USAGM 65536
152.75.221.0/24 USAGM 256
165.110.0.0/24 U.S. Small Business Administration 256
165.110.0.0/16 U.S. Small Business Administration 65536
192.104.54.0/24 Federal Communications Commission 256
192.133.125.0/24 Federal Communications Commission 256
192.236.1.0/24 U.S. International Development Finance Corporation 256
192.236.2.0/23 U.S. International Development Finance Corporation 512
192.236.4.0/22 U.S. International Development Finance Corporation 1024
192.236.8.0/24 U.S. International Development Finance Corporation 256
198.137.240.0/24 Executive Office Of The President 256
CIDR Description IP NUMs(prefix /64)
2602:80a:e000::/44 Millennium Challenge Corporation 1048576
2602:fbdc:8::/48 U.S. Agency for International Development 65536
2620:0:610::/48 Federal Communications Commission 65536
2620:0:6e0::/48 Small Business Administration 65536
2620:0:900::/48 ROOT Root inet6num object 65536
2620:10f:b000::/48 Executive Office Of The President 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7018 ATT-INTERNET4 - AT&T Services, Inc., US United States 96,539,136 3,085,717,602,304 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS13979 ATT-IPFR - AT&T Services, Inc., US United States 84,480 0 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
12.14.12.13 2 smtp.abilityone.gov
12.14.12.19 3 jwod.gov
12.14.12.32 1 jwodmail.jwod.gov
12.14.12.43 2 distributor.abilityone.gov
ASNumber:       4185
ASName:         ATTIS-ASN4185
ASHandle:       AS4185
RegDate:        1994-12-16
Updated:        2018-07-18    
Ref:            https://rdap.arin.net/registry/autnum/4185



OrgName:        AT&T Corp.
OrgId:          AC-3280
Address:        7277 164th Ave NE
Address:        Attn: IP Management
City:           Redmond
StateProv:      WA
PostalCode:     98052
Country:        US
RegDate:        2018-03-05
Updated:        2024-05-28
Comment:        For policy abuse issues contact [email protected]
Comment:        For all subpoena, Internet, court order related matters and emergency requests contact
Comment:        11760 US Highway 1
Comment:        North Palm Beach, FL 33408
Comment:        Main Number: 800-635-6840
Comment:        Fax: 888-938-4715
Ref:            https://rdap.arin.net/registry/entity/AC-3280


OrgTechHandle: ZS44-ARIN
OrgTechName:   IPAdmin-ATT Internet Services
OrgTechPhone:  +1-888-510-5545 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ZS44-ARIN

OrgAbuseHandle: ABUSE7-ARIN
OrgAbuseName:   abuse
OrgAbusePhone:  +1-919-319-8167 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE7-ARIN

OrgRoutingHandle: ROUTI59-ARIN
OrgRoutingName:   Routing POC
OrgRoutingPhone:  +1-999-999-9999 
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI59-ARIN