AS19957 AT&T Enterprises, LLC 🇺🇸 US
Announcing 54 prefixes, seen at the RIS collectors.
IPv4 prefixes
54
436,224 (1,704 × /24)
IPv6 prefixes
0
-
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it
Registry and operator data
- AS number
- AS19957
- Name
- AT&T Enterprises, LLC
- Organisation
- AT&T Enterprises, LLC
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2003-03-05
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
54 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 12.165.35.0/24 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 12.204.192.0/20 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 12.204.201.0/24 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 12.204.206.0/24 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 12.204.208.0/20 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 12.204.208.0/24 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 12.204.209.0/24 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 12.204.216.0/21 v4 | no ROA | 43 | 701819957 | 2026-09-18 |
| 12.230.239.0/24 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 64.79.176.0/21 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 65.82.99.0/24 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 66.4.0.0/16 v4 | no ROA | 43 | 701819957 | 2026-09-18 |
| 66.4.8.0/23 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 66.4.9.0/24 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 66.4.14.0/23 v4 | no ROA | 43 | 701819957 | 2026-09-18 |
| 66.4.16.0/23 v4 | no ROA | 43 | 701819957 | 2026-09-18 |
| 66.4.18.0/23 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 66.4.18.0/24 v4 | no ROA | 43 | 701819957 | 2026-09-18 |
| 66.4.19.0/24 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 66.4.27.0/24 v4 | no ROA | 43 | 701819957 | 2026-09-18 |
| 66.4.28.0/22 v4 | no ROA | 43 | 701819957 | 2026-09-18 |
| 66.4.32.0/23 v4 | no ROA | 43 | 701819957 | 2026-09-18 |
| 66.4.38.0/24 v4 | no ROA | 43 | 701819957 | 2026-09-18 |
| 66.4.40.0/24 v4 | no ROA | 43 | 701819957 | 2026-09-18 |
| 66.4.60.0/23 v4 | no ROA | 43 | 701819957 | 2026-09-18 |
| 66.4.78.0/24 v4 | no ROA | 43 | 701819957 | 2026-09-18 |
| 66.4.81.0/24 v4 | no ROA | 43 | 701819957 | 2026-09-18 |
| 66.4.124.0/24 v4 | no ROA | 43 | 701819957 | 2026-09-18 |
| 66.4.126.0/24 v4 | no ROA | 43 | 701819957 | 2026-09-18 |
| 68.156.24.0/21 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 68.156.24.0/23 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 68.156.26.0/23 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 68.156.28.0/23 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 70.150.21.0/24 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 70.150.247.0/24 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 70.150.248.0/21 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 70.158.144.0/20 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 72.158.184.0/24 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 72.159.76.0/24 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 74.252.160.0/20 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 74.254.176.0/22 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 74.254.180.0/24 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 170.141.56.0/23 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 170.141.60.0/23 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 170.142.0.0/16 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 170.143.0.0/16 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 198.146.0.0/16 v4 | no ROA | 43 | 701819957 | 2026-09-18 |
| 206.23.0.0/16 v4 | no ROA | 43 | 701819957 | 2026-09-18 |
| 208.63.128.0/20 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 208.63.128.0/24 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 208.63.129.0/24 v4 | no ROA | 42 | 701819957 | 2026-09-18 |
| 208.182.0.0/16 v4 | no ROA | 43 | 701819957 | 2026-09-18 |
| 208.182.101.0/24 v4 | no ROA | 43 | 701819957 | 2026-09-18 |
| 208.182.124.0/24 v4 | no ROA | 43 | 701819957 | 2026-09-18 |