Autonomous System details
AS19957
AT&T Enterprises, LLC — att.net
Summary
| Country |
 United States
|
| Organization | AT&T Enterprises, LLC |
| Domain | att.net |
| Number of IPv4 | 276,480 |
| Number of IPv6 | 8.5282× 1028 |
| AS Type | ISP |
| Registry | ARIN |
| Allocated | March 05, 2003 (about 22 years ago) |
| Updated | February 12, 2025 (about 10 days ago) |
IP Ranges
AS19957 announces 36 IPv4 ranges and 14 IPv6 ranges.
That's a total of 276,480 IPv4 addresses and 8.5282× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 12.204.201.0/24 |
STATE OF TENNESSEE-NETTN
|
256 | ARIN | REASSIGNMENT |
| 12.204.206.0/24 |
STATE OF TENNESSEE-NETTN
|
256 | ARIN | REASSIGNMENT |
| 12.204.208.0/24 |
STATE OF TENNESSEE-NETTN
|
256 | ARIN | REASSIGNMENT |
| 12.204.209.0/24 |
STATE OF TENNESSEE-NETTN
|
256 | ARIN | REASSIGNMENT |
| 12.204.216.0/21 |
STATE OF TENNESSEE-NETTN
|
2,048 | ARIN | REASSIGNMENT |
| 64.79.176.0/21 |
Southwest Tennessee Community College
|
2,048 | ARIN | ALLOCATION |
| 66.4.0.0/16 |
State of Tennessee Department of Education
|
65,536 | ARIN | ALLOCATION |
| 66.4.8.0/23 |
State of Tennessee Department of Education
|
512 | ARIN | ALLOCATION |
| 66.4.9.0/24 |
State of Tennessee Department of Education
|
256 | ARIN | ALLOCATION |
| 66.4.14.0/23 |
State of Tennessee Department of Education
|
512 | ARIN | ALLOCATION |
| 66.4.16.0/23 |
State of Tennessee Department of Education
|
512 | ARIN | ALLOCATION |
| 66.4.18.0/24 |
State of Tennessee Department of Education
|
256 | ARIN | ALLOCATION |
| 66.4.19.0/24 |
State of Tennessee Department of Education
|
256 | ARIN | ALLOCATION |
| 66.4.27.0/24 |
State of Tennessee Department of Education
|
256 | ARIN | ALLOCATION |
| 66.4.28.0/22 |
State of Tennessee Department of Education
|
1,024 | ARIN | ALLOCATION |
| 66.4.32.0/23 |
State of Tennessee Department of Education
|
512 | ARIN | ALLOCATION |
| 66.4.38.0/24 |
State of Tennessee Department of Education
|
256 | ARIN | ALLOCATION |
| 66.4.40.0/24 |
State of Tennessee Department of Education
|
256 | ARIN | ALLOCATION |
| 66.4.60.0/23 |
State of Tennessee Department of Education
|
512 | ARIN | ALLOCATION |
| 66.4.78.0/24 |
State of Tennessee Department of Education
|
256 | ARIN | ALLOCATION |
| 66.4.81.0/24 |
State of Tennessee Department of Education
|
256 | ARIN | ALLOCATION |
| 66.4.124.0/24 |
State of Tennessee Department of Education
|
256 | ARIN | ALLOCATION |
| 66.4.126.0/24 |
State of Tennessee Department of Education
|
256 | ARIN | ALLOCATION |
| 70.150.21.0/24 |
STATE OF TENNESSEE-NETTN
|
256 | ARIN | REASSIGNMENT |
| 70.150.247.0/24 |
STATE OF TENNESSEE-NETTN
|
256 | ARIN | REASSIGNMENT |
| 72.158.184.0/24 |
STATE OF TENNESSEE-NETTN
|
256 | ARIN | REASSIGNMENT |
| 72.159.76.0/24 |
STATE OF TENNESSEE-NETTN
|
256 | ARIN | REASSIGNMENT |
| 170.141.56.0/23 |
State of Tennessee
|
512 | ARIN | ALLOCATION |
| 170.141.60.0/23 |
State of Tennessee
|
512 | ARIN | ALLOCATION |
| 198.146.0.0/16 |
Tennessee Board of Regents
|
65,536 | ARIN | ALLOCATION |
| 206.23.0.0/16 |
Tennessee Board of Regents
|
65,536 | ARIN | ALLOCATION |
| 208.63.128.0/24 |
STATE OF TENNESSEE-NETTN
|
256 | ARIN | REASSIGNMENT |
| 208.63.129.0/24 |
STATE OF TENNESSEE-NETTN
|
256 | ARIN | REASSIGNMENT |
| 208.182.0.0/16 |
State of Tennessee Department of Education
|
65,536 | ARIN | ALLOCATION |
| 208.182.101.0/24 |
State of Tennessee Department of Education
|
256 | ARIN | ALLOCATION |
| 208.182.124.0/24 |
State of Tennessee Department of Education
|
256 | ARIN | ALLOCATION |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2604:f980::/32 |
AT&T Services, INC
|
7.9228× 1028 | ARIN | ALLOCATION |
| 2604:f980:2100::/44 |
AT&T Services, INC
|
1.9343× 1025 | ARIN | ALLOCATION |
| 2604:f980:2500::/44 |
AT&T Services, INC
|
1.9343× 1025 | ARIN | ALLOCATION |
| 2604:f980:2600::/40 |
AT&T Services, INC
|
3.0949× 1026 | ARIN | ALLOCATION |
| 2604:f980:2d00::/40 |
AT&T Services, INC
|
3.0949× 1026 | ARIN | ALLOCATION |
| 2604:f980:3000::/36 |
AT&T Services, INC
|
4.9518× 1027 | ARIN | ALLOCATION |
| 2604:f980:4240::/44 |
AT&T Services, INC
|
1.9343× 1025 | ARIN | ALLOCATION |
| 2604:f980:4300::/44 |
AT&T Services, INC
|
1.9343× 1025 | ARIN | ALLOCATION |
| 2604:f980:4360::/44 |
AT&T Services, INC
|
1.9343× 1025 | ARIN | ALLOCATION |
| 2604:f980:4380::/44 |
AT&T Services, INC
|
1.9343× 1025 | ARIN | ALLOCATION |
| 2604:f980:4390::/44 |
AT&T Services, INC
|
1.9343× 1025 | ARIN | ALLOCATION |
| 2604:f980:4480::/44 |
AT&T Services, INC
|
1.9343× 1025 | ARIN | ALLOCATION |
| 2604:f980:4500::/44 |
AT&T Services, INC
|
1.9343× 1025 | ARIN | ALLOCATION |
| 2604:f980:5100::/40 |
AT&T Services, INC
|
3.0949× 1026 | ARIN | ALLOCATION |
Peers
There is no peer for AS19957.
Downstreams
There is no downstream for AS19957.