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.
100,824,321 IP addresses
Network
| ASN | 7018 |
|---|---|
| Name | ATT-INTERNET4 - AT&T Services, Inc. |
| Organization | AT&T Services, Inc. |
| Country | United States |
| Registry | ARIN |
Details
| IPv4 addresses | 100,824,321 |
|---|---|
| IPv6 /64 networks | 1.06 x 241 |
| Prefixes | 1,776 |
Other ASN allocated to AT&T Services, Inc.
| ASN | Name | IP addresses |
|---|---|---|
| 797 | AMERITECH-AS | 422,912 |
| 4466 | EASYLINK2 - AT&T Services, Inc. | 38,912 |
| 11712 | BELLSOUTH - AT&T Services, Inc. | 32,256 |
| 13979 | ATT-IPFR - AT&T Services, Inc. | 15,616 |
| 5728 | WORLDNET1 - AT&T Services, Inc. | 9,984 |
| 5731 | 5731 - AT&T Services, Inc. | 5,120 |
| 4468 | EASYLINK4 - AT&T Services, Inc. | 4,608 |
| 4465 | EASYLINK1 - AT&T Services, Inc. | 512 |
Prefixes for AS7018
IPv4 addresses - showing the first 20 of 1,754 networks
| Network | Location | Addresses | |
|---|---|---|---|
| 100.43.206.0/24 | TPx Communications |  Ventura |
256 |
| 104.0.0.0/12 | Microsoft Corporation | Wichita |
1,048,576 |
| 104.167.152.0/24 | Boingo MDU LLC | Fort Collins |
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. | Chicago |
1,048,576 |
| 107.117.184.0/22 | AT&T Services, Inc. | Carson |
1,024 |
| 107.125.32.0/24 | AT&T Services, Inc. | Atlanta |
256 |
| 107.125.33.0/24 | AT&T Services, Inc. | Houston |
256 |
| 107.125.34.0/24 | AT&T Services, Inc. | Seattle |
256 |
| 107.125.35.0/24 | AT&T Services, Inc. | Los Angeles |
256 |
| 107.125.36.0/24 | AT&T Services, Inc. | Los Angeles |
256 |
| 107.125.37.0/24 | AT&T Services, Inc. | Chicago |
256 |
| 107.125.39.0/24 | AT&T Services, Inc. | Cleveland |
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 |
| 107.192.0.0/12 | AT&T Services, Inc. | Santa Clara |
1,048,576 |
| 107.208.0.0/12 | AT&T Services, Inc. | Irvine |
1,048,576 |
| 107.225.100.0/22 | AT&T Services, Inc. | Redmond (Downtown) |
1,024 |
| 107.225.104.0/22 | AT&T Services, Inc. | Dallas |
1,024 |
IPv6 addresses - showing the first 20 of 21 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. | Washington D.C. |
< 1 |
| 2600:1700::/28 | AT&T Services, Inc. | Washington D.C. |
236 |
| 2600:300::/24 | AT&T Services, Inc. | Redmond (Downtown) |
240 |
| 2602:300::/24 | AT&T Services, Inc. | Los Angeles |
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 Beach) |
216 |
| 2604:9d40:1f9::/48 | Teleperformance Group | Miami Beach (South Beach) |
216 |
| 2604:b2c0:d00::/40 | AT&T Services, Inc. | San Jose |
224 |
| 2605:3840::/32 | Cogent Communications | Westlake |
232 |
| 2606:d200::/32 | AT&T Services, Inc. | Troy |
232 |
| 2606:df00::/32 | AT&T Services, Inc. | Rock Hill |
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 |
| 2620:10a:9039::/48 | AT&T Services, Inc. | Portland |
216 |
| 2620:110:3000::/48 | AT&T Services, Inc. | Newark |
216 |
| 2620:12d:e017::/48 | AT&T Services, Inc. | San Francisco |
216 |