AS25978 Rush University Medical Center 🇺🇸 US

Announcing 5 prefixes, seen at the RIS collectors.

IPv4 prefixes
5
68,608 (268 × /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
AS25978
Name
Rush University Medical Center
Organisation
Rush University Medical Center
Country
🇺🇸 US
RIR
ARIN
Allocated
2025-02-19

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 5 no ROA (100.0%)

Announced prefixes

5 in total

Prefix RPKI Peers Sample path First seen
144.74.0.0/17 v4 no ROA 42 3454964614688725978 2026-09-18
144.74.16.0/21 v4 no ROA 41 34549646125978 2026-09-18
144.74.16.0/23 v4 no ROA 41 34549646125978 2026-09-18
144.74.20.0/23 v4 no ROA 41 34549646125978 2026-09-18
144.74.128.0/17 v4 no ROA 41 3454964614688725978 2026-09-18