AS1249 University of Massachusetts - AMHERST 🇺🇸 US
Announcing 4 prefixes, seen at the RIS collectors.
IPv4 prefixes
4
82,432 (322 × /24)
IPv6 prefixes
0
-
Upstreams
1
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS1249
- Name
- University of Massachusetts - AMHERST
- Organisation
- University of Massachusetts - AMHERST
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1991-04-18
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 |
|---|---|---|---|---|---|
| AS1968 UMASSNET | 🇺🇸 US | 10 | 23 | 197 | 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 |
|---|---|---|---|---|---|
| AS168 University of Massachusetts - AMHERST | 🇺🇸 US | 0 | 0 | 33 | inferred |
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.