AS20057 AT&T Enterprises, LLC 🇺🇸 US
Announcing 1,632 prefixes, seen at the RIS collectors.
IPv4 prefixes
1,471
6,572,544 (25,674 × /24)
IPv6 prefixes
161
60,125 × /48
Upstreams
1
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
- AS20057
- Name
- AT&T Enterprises, LLC
- Organisation
- AT&T Enterprises, LLC
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2001-03-20
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
1,471 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 166.216.165.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.216.192.0/23 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.216.196.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.216.197.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.216.198.0/23 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.216.200.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.216.224.0/23 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.216.227.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.216.230.0/23 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.217.0.0/16 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.218.0.0/15 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.218.0.0/16 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.218.0.0/17 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.218.24.0/23 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.218.48.0/21 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.218.128.0/17 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.218.236.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.218.237.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.218.238.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.218.239.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.218.240.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.218.241.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.218.242.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.218.243.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.218.246.0/23 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.218.248.0/23 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.218.250.0/23 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.218.252.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.218.253.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.219.0.0/16 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.219.8.0/23 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.219.18.0/23 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.219.42.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.219.47.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.219.48.0/22 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.219.56.0/23 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.219.59.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.219.128.0/20 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.219.168.0/21 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.219.184.0/22 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 166.220.128.0/17 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 198.228.0.0/19 v4 | no ROA | 43 | 701820057 | 2026-09-18 |
| 198.228.192.0/20 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 198.228.194.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 198.228.195.0/24 v4 | RPKI valid | 42 | 701820057 | 2026-09-18 |
| 198.228.200.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 198.228.201.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 198.228.203.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 198.228.204.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 198.228.205.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 198.228.206.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 198.228.207.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 198.228.208.0/20 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 198.228.217.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 198.228.224.0/20 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 198.228.230.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 198.228.237.0/24 v4 | RPKI valid | 42 | 701820057 | 2026-09-18 |
| 199.176.64.0/18 v4 | no ROA | 42 | 701820057 | 2026-09-18 |
| 209.183.32.0/23 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 209.183.34.0/23 v4 | RPKI valid | 42 | 701820057 | 2026-09-18 |
| 209.183.36.0/23 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 209.183.37.0/24 v4 | RPKI valid | 43 | 701820057 | 2026-09-18 |
| 209.183.38.0/23 v4 | RPKI valid | 42 | 701820057 | 2026-09-18 |
| 209.183.40.0/23 v4 | RPKI valid | 42 | 701820057 | 2026-09-18 |
| 209.183.44.0/23 v4 | RPKI valid | 42 | 701820057 | 2026-09-18 |
| 209.183.48.0/21 v4 | RPKI valid | 42 | 701820057 | 2026-09-18 |
| 209.183.48.0/22 v4 | RPKI valid | 42 | 701820057 | 2026-09-18 |
| 209.183.48.0/23 v4 | RPKI valid | 42 | 701820057 | 2026-09-18 |
| 209.183.52.0/22 v4 | RPKI valid | 42 | 701820057 | 2026-09-18 |
| 209.183.56.0/23 v4 | RPKI valid | 42 | 701820057 | 2026-09-18 |
| 209.183.59.0/24 v4 | RPKI valid | 42 | 701820057 | 2026-09-18 |