AS40831 Mass General Brigham Incorporated 🇺🇸 US
Announcing 5 prefixes, seen at the RIS collectors.
IPv4 prefixes
5
197,120 (770 × /24)
IPv6 prefixes
0
-
Upstreams
3
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
- AS40831
- Name
- Mass General Brigham Incorporated
- Organisation
- Mass General Brigham Incorporated
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2017-07-25
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 |
|---|---|---|---|---|---|
| AS46887 Zayo (fka. Crown Castle) | 🇺🇸 US | 1,429 | 800 | 43 | CAIDA |
| AS49915 Megaport Global Access | 🇬🇧 GB | 912 | 87 | 42 | CAIDA |
| AS40127 Longwood Medical and Academic Area (LMA) | 🇺🇸 US | 5 | 1 | 220 | 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 |
|---|---|---|---|---|---|
| AS394784 Massachusetts Eye and Ear Infirmary | 🇺🇸 US | 0 | 2 | 88 | 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.