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
Upstreams
Networks seen providing transit to this one
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS7018 AT&T Enterprises, LLC | 🇺🇸 US | 24,030 | 629 | 2,398 | CAIDA |
| AS16473 AT&T Enterprises, LLC | 🇺🇸 US | 3 | 0 | 20 | CAIDA |
Peers
Adjacencies that look settlement-free rather than transit
No peers observed at the collectors.
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS16989 The University of Tennessee Health Science Center | 🇺🇸 US | 0 | 8 | 186 | CAIDA |
Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.