AS Number
AS3423
AS Name
ATTIS-ASN3423
Org Name
AT&T Corp.
Registry

arin

RegDate

2018-03-05

Updated

2021-06-26

AS3423 Looking Glass
IPv4Prefixes

8

IPv6Prefixes

1

IPv4 NUMs

70,656

IPv6 NUMs(/64)

65,536

70,656 IPv4 Addresses
CIDR Description IP Num
12.96.43.0/24 TCORP-FA-PRODUCT TO PRODUCT 256
12.131.129.0/24 AT&T Services, Inc. 256
148.184.0.0/17 United States Nuclear Regulatory Commission 32768
148.184.128.0/17 United States Nuclear Regulatory Commission 32768
151.207.126.0/24 United States Patent and Trademark Office 256
151.207.127.0/24 United States Patent and Trademark Office 256
151.207.128.0/21 United States Patent and Trademark Office 2048
151.207.136.0/21 United States Patent and Trademark Office 2048
CIDR Description IP NUMs(prefix /64)
2620:bf::/48 U.S. Agency for International Development 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7018 ATT-INTERNET4 - AT&T Services, Inc., US United States 98,956,032 2,680,882,135,040 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS13979 ATT-IPFR - AT&T Services, Inc., US United States 102,912 0 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
12.96.43.20 1 dcsg.ofr.treasury.gov
12.96.43.21 1 dcsg1.ofr.treasury.gov
12.96.43.22 1 cmi.ofr.treasury.gov
12.96.43.23 1 smi.ofr.treasury.gov
12.96.43.24 1 ami.ofr.treasury.gov
12.96.43.29 1 mail.ofr.treasury.gov
12.96.43.32 1 ofradfs.ofr.treasury.gov
12.96.43.33 1 toro.ofr.treasury.gov
12.96.43.40 2 awsami1.ofr.treasury.gov
12.96.43.132 1 ofradfs.ofr.treasury.gov
ASNumber:       3423
ASName:         ATTIS-ASN3423
ASHandle:       AS3423
RegDate:        1994-02-17
Updated:        2018-07-18    
Ref:            https://rdap.arin.net/registry/autnum/3423



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:        2021-06-26
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


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

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