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 | 5672 |
Name | PBI-NET-BLK |
Organization | AT&T Corp. |
Country | United States
|
Registry | ARIN |
IPv4 addresses | 6,400 |
IPv6 /64 networks | 0 |
Prefixes | 5 |
Other ASN allocated to AT&T Corp.
ASN |
Name |
IP addresses |
6389 |
BELLSOUTH-NET-BLK |
9,708,052 |
19957 |
TENNESSEE-NET |
614,400 |
4186 |
ATTIS-ASN4186 |
267,520 |
4185 |
ATTIS-ASN4185 |
267,264 |
7287 |
PBI-NET-BLK2 |
180,224 |
16967 |
SBCIDC-DLLSTX |
82,176 |
16966 |
SBCIDC-LSAN03 |
58,112 |
5671 |
PBI-NET-BLK |
14,848 |
7286 |
PBI-NET-BLK2 |
10,240 |
4473 |
ATTIS-ASN4473 |
9,472 |
6384 |
BELLSOUTH-NET-BLK |
7,680 |
6385 |
BELLSOUTH-NET-BLK |
7,168 |
19483 |
SBCASI-AKRON-OH-COVLIL |
7,168 |
6381 |
BELLSOUTH-NET-BLK |
5,376 |
13965 |
SBCIS-FYTVAR |
4,352 |
5104 |
ATTIS-ASN5104 |
4,096 |
16959 |
SBIS-AMRLTX |
2,304 |
10770 |
SBIS-ASN-BLK-2 |
2,048 |
6382 |
BELLSOUTH-NET-BLK |
1,536 |
19495 |
SBCASI-AKRON-OH-COVLIL |
768 |
16961 |
HIPCS-DALLAS-SERVER-OFFICE |
512 |
16964 |
HIPCS-NEW-YORK-ACCESS-OFFICE |
0 |
19956 |
TENNESSEE-NET |
0 |
19496 |
SBCASI-AKRON-OH-COVLIL |
0 |
19485 |
SBCASI-AKRON-OH-COVLIL |
0 |
19486 |
SBCASI-AKRON-OH-COVLIL |
0 |
10774 |
SBIS-ASN-BLK-2 |
0 |
3422 |
ATTIS-ASN3422 |
0 |
5103 |
ATTIS-ASN5103 |
0 |
5107 |
ATTIS-ASN5107 |
0 |
6383 |
BELLSOUTH-NET-BLK |
0 |
7132 |
SBIS-AS |
0 |
7294 |
SBIS-BLK |
0 |
7891 |
BELLSOUTH-NET-BLK2 |
0 |
8061 |
BELLSOUTH-NET-BLK3 |
0 |
8063 |
BELLSOUTH-NET-BLK3 |
0 |
10771 |
SBIS-ASN-BLK-2 |
0 |
10772 |
SBIS-ASN-BLK-2 |
0 |
1698 |
PRODIGY |
0 |