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.
100,850,433 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 | 100,850,433 |
|---|---|
| IPv6 /64 networks | 1.06 x 241 |
| Prefixes | 1,761 |
Other ASN allocated to AT&T Services, Inc.
| ASN | Name | IP addresses |
|---|---|---|
| 797 | AMERITECH-AS - AT&T Services, Inc. | 422,400 |
| 4466 | EASYLINK2 - AT&T Services, Inc. | 39,168 |
| 11712 | BELLSOUTH - AT&T Services, Inc. | 32,256 |
| 13979 | ATT-IPFR - AT&T Services, Inc. | 15,360 |
| 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 1,728 networks
| Network | Location | Addresses | |
|---|---|---|---|
| 100.43.206.0/24 | TPx Communications |  Ventura |
256 |
| 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. | Ashburn |
1,048,576 |
| 107.117.160.0/19 | AT&T Services, Inc. | New York |
8,192 |
| 107.117.192.0/18 | AT&T Services, Inc. | Santa Clara |
16,384 |
| 107.125.32.0/24 | AT&T Services, Inc. | Atlanta |
256 |
| 107.125.33.0/24 | AT&T Services, Inc. | Houston |
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. | Ashburn |
256 |
| 107.128.0.0/12 | AT&T Services, Inc. | San Antonio |
1,048,576 |
| 107.178.16.0/24 | AT&T Services, Inc. | Aurora (Dayton Triangle) |
256 |
| 107.178.17.0/24 | AT&T Services, Inc. | Aurora (Dayton Triangle) |
256 |
| 107.178.18.0/24 | AT&T Services, Inc. | Aurora (Dayton Triangle) |
256 |
| 107.178.19.0/24 | AT&T Services, Inc. | Aurora (Dayton Triangle) |
256 |
| 107.178.21.0/24 | AT&T Services, Inc. | Aurora (Dayton Triangle) |
256 |
| 107.178.22.0/24 | AT&T Services, Inc. | San Antonio |
256 |
IPv6 addresses - showing the first 20 of 32 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. | Middletown |
< 1 |
| 2600:1700::/28 | AT&T Services, Inc. | Chicago |
236 |
| 2600:300::/24 | AT&T Services, Inc. | Washington D.C. |
240 |
| 2600:380:e100::/44 | AT&T Services, Inc. | Los Angeles |
220 |
| 2600:380:e110::/44 | AT&T Services, Inc. | Los Angeles |
220 |
| 2600:380:e500::/44 | AT&T Services, Inc. | Atlanta |
220 |
| 2600:380:e510::/44 | AT&T Services, Inc. | Atlanta |
220 |
| 2600:380:e600::/44 | AT&T Services, Inc. | Atlanta |
220 |
| 2600:380:f500::/44 | AT&T Services, Inc. | Dallas |
220 |
| 2600:380:f510::/44 | AT&T Services, Inc. | Dallas |
220 |
| 2600:381:1000::/36 | AT&T Services, Inc. | Ashburn |
228 |
| 2600:387:c::/48 | AT&T Services, Inc. | Atlanta |
216 |
| 2602:300::/24 | AT&T Services, Inc. | Santa Clara |
240 |
| 2602:ff0f::/36 | AT&T Services, Inc. | Centre |
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 Francisco (Civic Center) |
224 |