AT&T Services, Inc.

AS 7018 ATT-INTERNET4

AT&T Services, Inc.

AS 7018 ATT-INTERNET4


Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

  100,660,737 IP addresses

  Network
ASN7018
NameATT-INTERNET4
OrganizationAT&T Services, Inc.
CountryUnited States  
RegistryARIN


  Details
IPv4 addresses100,660,737
IPv6 /64 networks1.05 x 241
Prefixes1,770


  Other ASN allocated to AT&T Services, Inc.
ASN Name IP addresses
797 AMERITECH-AS 422,656
13979 ATT-IPFR 96,000
4466 EASYLINK2 39,680
11712 BELLSOUTH 32,256
5728 WORLDNET1 9,984
5731 5731 5,120
4468 EASYLINK4 4,352
4465 EASYLINK1 512


  Prefixes for AS7018
IPv4 addresses - showing the first 20 of 1,747 networks
Network Location Addresses
104.0.0.0/12 AT&T Services, Inc.   Wichita 1,048,576
104.167.152.0/24 Boingo MDU LLC   St Louis 256
104.176.0.0/12 AT&T Services, Inc.   Santa Clara 1,048,576
104.247.69.0/24 AT&T Services, Inc.   Arlington Heights 256
104.48.0.0/12 AT&T Services, Inc.   Redmond (Downtown) 1,048,576
107.125.32.0/24 AT&T Services, Inc.   Atlanta 256
107.125.33.0/24 AT&T Services, Inc.   Chicago 256
107.125.34.0/24 AT&T Services, Inc.   Seattle 256
107.125.35.0/24 AT&T Services, Inc.   Los Angeles 256
107.125.37.0/24 AT&T Services, Inc.   Chicago 256
107.125.38.0/24 AT&T Services, Inc.   St Louis 256
107.125.39.0/24 AT&T Services, Inc.   Cleveland 256
107.125.44.0/24 AT&T Services, Inc.   Chicago 256
107.125.45.0/24 AT&T Services, Inc.   Nashville 256
107.125.46.0/24 AT&T Services, Inc.   Dallas 256
107.125.47.0/24 AT&T Services, Inc.   Dallas 256
107.125.48.0/24 AT&T Services, Inc.   Ormond Beach 256
107.125.50.0/24 AT&T Services, Inc.   Seattle 256
107.128.0.0/12 AT&T Services, Inc.   San Antonio 1,048,576
107.178.30.0/24 AT&T Services, Inc.   Aurora (Dayton Triangle) 256

IPv6 addresses - showing the first 20 of 22 networks
Network Location /64 Prefixes
2001:1890::/29 AT&T Services, Inc.   Middletown 235
2001:1890::12:127:255:255/128 AT&T Services, Inc.   New York < 1
2600:1700::/28 AT&T Services, Inc.   Chicago 236
2600:300::/24 AT&T Services, Inc.   Redmond (Downtown) 240
2602:300::/24 AT&T Services, Inc.   Chicago 240
2602:fe23::/36 AT&T Services, Inc.   Gravette 228
2602:ff42::/36 AT&T Services, Inc.   Plymouth 228
2604:8fc0::/32 AT&T Services, Inc.   Allendale 232
2604:9d40:1f8::/48 Teleperformance Group   Miami Beach (South Miami Beach) 216
2604:9d40:1f9::/48 Teleperformance Group   Miami Beach (South Miami Beach) 216
2604:b2c0:d00::/40 AT&T Services, Inc.   San Jose 224
2605:8440::/32 AT&T Services, Inc.   Springfield (Old Aristocracy Hill) 232
2606:d200::/32 AT&T Services, Inc.   Troy 232
2607:4b80::/32 AT&T Services, Inc.   San Angelo 232
2607:9080:105::/48 AT&T Services, Inc.   Pittsburgh 216
2607:9080:6::/48 AT&T Services, Inc.   Washington D.C. 216
2620:107:9029::/48 AT&T Services, Inc.   Phoenix 216
2620:10a:9039::/48 AT&T Services, Inc.   Portland 216
2620:10a:9046::/48 AT&T Services, Inc.   Austin 216
2620:110:3000::/48 AT&T Services, Inc.   Newark 216