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
Announced prefixes
5 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 132.183.0.0/16 v4 | no ROA | 42 | 3454917417424012740831 | 2026-09-18 |
| 155.52.0.0/16 v4 | no ROA | 42 | 3454917417424012740831 | 2026-09-18 |
| 160.72.231.0/24 v4 | no ROA | 41 | 3454964614688740831 | 2026-09-18 |
| 170.223.0.0/16 v4 | no ROA | 42 | 3454917417424012740831 | 2026-09-18 |
| 170.223.13.0/24 v4 | RPKI valid | 40 | 345491744991540831 | 2026-09-18 |