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.
79,078,392 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 | 79,078,392 |
|---|---|
| IPv6 /64 networks | 1.88 x 240 |
| Prefixes | 9,790 |
Other ASN allocated to AT&T Services, Inc.
| ASN | Name | IP addresses |
|---|---|---|
| 797 | AS797 | 412,160 |
| 4466 | EASYLINK2 - AT&T Services, Inc. | 38,400 |
| 11712 | BELLSOUTH - AT&T Services, Inc. | 32,256 |
| 13979 | ATT-IPFR - AT&T Services, Inc. | 16,128 |
| 5728 | WORLDNET1 - AT&T Services, Inc. | 9,984 |
| 4468 | EASYLINK4 - AT&T Services, Inc. | 4,608 |
| 5731 | 5731 - AT&T Services, Inc. | 3,072 |
| 4465 | EASYLINK1 - AT&T Services, Inc. | 512 |
Prefixes for AS7018
IPv4 addresses - showing the first 20 of 9,717 networks
| Network | Location | Addresses | |
|---|---|---|---|
| 104.0.0.0/12 | AT&T Services, Inc. |  Wichita |
1,048,576 |
| 104.176.0.0/17 | AT&T Corp. | Santa Clara |
32,768 |
| 104.176.128.0/18 | AT&T Corp. | Houston |
16,384 |
| 104.176.196.0/22 | AT&T Corp. | Bartlesville |
1,024 |
| 104.176.200.0/21 | AT&T Corp. | Atlanta |
2,048 |
| 104.176.208.0/20 | AT&T Corp. | Bartlesville |
4,096 |
| 104.176.224.0/19 | AT&T Corp. | Richardson |
8,192 |
| 104.177.0.0/16 | AT&T Corp. | Houston |
65,536 |
| 104.178.0.0/15 | AT&T Corp. | Houston |
131,072 |
| 104.180.0.0/14 | AT&T Corp. | Fresno |
262,144 |
| 104.184.0.0/13 | AT&T Corp. | Austin |
524,288 |
| 104.247.69.0/24 | PaeTec Communications, Inc. | Arlington Heights |
256 |
| 104.48.0.0/12 | AT&T Services, Inc. | New York |
1,048,576 |
| 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 | Reach Broadband LLC | Aurora (Dayton Triangle) |
256 |
IPv6 addresses - showing the first 20 of 73 networks
| Network | Location | /64 Prefixes | |
|---|---|---|---|
| 2001:1890::/29 | AT&T Services, Inc. | Middletown |
235 |
| 2600:1700::/28 | AT&T Services, Inc. | Cleveland |
236 |
| 2600:380:e100::/44 | AT&T Mobility LLC | Los Angeles |
220 |
| 2600:380:e110::/44 | AT&T Mobility LLC | Los Angeles |
220 |
| 2600:380:e500::/44 | AT&T Mobility LLC | Atlanta |
220 |
| 2600:380:e510::/44 | AT&T Mobility LLC | Atlanta |
220 |
| 2600:380:e600::/44 | AT&T Mobility LLC | Atlanta |
220 |
| 2600:380:f500::/44 | AT&T Mobility LLC | Dallas |
220 |
| 2600:380:f510::/44 | AT&T Mobility LLC | Dallas |
220 |
| 2600:387:c::/48 | AT&T Services, Inc. | Atlanta |
216 |
| 2602:300::/24 | AT&T Services, Inc. | Washington D.C. |
240 |
| 2602:ff0f::/36 | AT&T Services, Inc. | Centre |
228 |
| 2602:ff42::/36 | AT&T Services, Inc. | Plymouth |
228 |
| 2604:3540::/32 | AT&T Services, Inc. | Dania Beach |
232 |
| 2604:8fc0:4000::/34 | Mercury Network Corporation | Midland |
230 |
| 2604:8fc0:8000::/33 | Mercury Network Corporation | Midland |
231 |
| 2604:9d40:1f8::/48 | AT&T Services, Inc. | Knoxville |
216 |
| 2604:9d40:1f9::/48 | AT&T Services, Inc. | Fort Lauderdale |
216 |
| 2604:b2c0:d00::/40 | Common Networks | San Francisco (Civic Center) |
224 |
| 2604:fac0::/33 | Rapiddedi LLC | Silver Spring |
231 |