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.
ASN | 13979 |
Name | ATT-IPFR |
Organization | AT&T Services, Inc. |
Country | United States
|
Registry | ARIN |
IPv4 addresses | 106,752 |
IPv6 /64 networks | 0 |
Prefixes | 34 |
Other ASN allocated to AT&T Services, Inc.
IPv4 Prefixes for AS13979 - showing the first 20 of 34 networks
Network |
Location |
Addresses |
15.0.0.0/23 |
AT&T Services, Inc. |
Palo Alto |
512 |
15.0.64.0/18 |
AT&T Services, Inc. |
Palo Alto |
16,384 |
15.116.147.0/24 |
AT&T Services, Inc. |
Palo Alto |
256 |
15.12.64.0/18 |
AT&T Services, Inc. |
Palo Alto |
16,384 |
15.125.0.0/24 |
AT&T Services, Inc. |
Palo Alto |
256 |
15.129.148.0/22 |
AT&T Services, Inc. |
Austin |
1,024 |
15.136.160.0/20 |
Amazon Technologies Inc. |
Dallas |
4,096 |
15.4.64.0/18 |
AT&T Services, Inc. |
Palo Alto |
16,384 |
15.8.64.0/18 |
AT&T Services, Inc. |
Palo Alto |
16,384 |
15.98.64.0/18 |
AT&T Services, Inc. |
Palo Alto |
16,384 |
156.152.160.0/21 |
AT&T Services, Inc. |
Palo Alto |
2,048 |
156.152.46.0/24 |
AT&T Services, Inc. |
Palo Alto |
256 |
156.152.56.0/23 |
AT&T Services, Inc. |
Palo Alto |
512 |
16.0.32.0/24 |
AT&T Services, Inc. |
Palo Alto |
256 |
16.0.37.0/24 |
AT&T Services, Inc. |
Palo Alto |
256 |
16.0.39.0/24 |
AT&T Services, Inc. |
Palo Alto |
256 |
16.0.48.0/22 |
AT&T Services, Inc. |
Palo Alto |
1,024 |
16.0.52.0/22 |
AT&T Services, Inc. |
Palo Alto |
1,024 |
16.0.57.0/24 |
AT&T Services, Inc. |
Palo Alto |
256 |
16.0.58.0/24 |
AT&T Services, Inc. |
Palo Alto |
256 |