AS5724 University of Massachusetts Medical School 🇺🇸 US

Announcing 4 prefixes, seen at the RIS collectors.

IPv4 prefixes
4
68,096 (266 × /24)
IPv6 prefixes
0
-
Upstreams
4
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS5724
Name
University of Massachusetts Medical School
Organisation
University of Massachusetts Medical School
Country
🇺🇸 US
RIR
ARIN
Allocated
1995-09-06
Scope
Not Disclosed
Peering policy
Open
PeeringDB
net/33845

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 4 no ROA (100.0%)

Announced prefixes

4 in total

Prefix RPKI Peers Sample path First seen
146.189.0.0/16 v4 no ROA 43 14907111645724 2026-09-18
146.189.25.0/24 v4 no ROA 42 14907111645724 2026-09-18
146.189.26.0/24 v4 no ROA 42 14907111645724 2026-09-18
146.189.128.0/21 v4 no ROA 43 14907111645724 2026-09-18