AS396151 Steward Health Care System LLC 🇺🇸 US

Announcing 18 prefixes, seen at the RIS collectors.

IPv4 prefixes
18
4,864 (19 × /24)
IPv6 prefixes
0
-
Upstreams
3
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
AS396151
Name
Steward Health Care System LLC
Organisation
Steward Health Care System LLC
Country
🇺🇸 US
RIR
ARIN
Allocated
2017-03-21

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 18 no ROA (100.0%)

Announced prefixes

18 in total

Prefix RPKI Peers Sample path First seen
198.89.64.0/24 v4 no ROA 43 3772133567015396151 2026-09-18
198.89.65.0/24 v4 no ROA 42 34549646146887396151 2026-09-18
198.89.66.0/24 v4 no ROA 43 3772133567015396151 2026-09-18
198.89.67.0/24 v4 no ROA 43 3772133567015396151 2026-09-18
198.89.68.0/24 v4 no ROA 42 34549646146887396151 2026-09-18
198.89.69.0/24 v4 no ROA 42 34549646146887396151 2026-09-18
198.89.70.0/24 v4 no ROA 42 34549646146887396151 2026-09-18
198.89.71.0/24 v4 no ROA 43 3772133567015396151 2026-09-18
198.89.72.0/24 v4 no ROA 43 3772133567015396151 2026-09-18
198.89.73.0/24 v4 no ROA 42 34549646146887396151 2026-09-18
198.89.74.0/24 v4 no ROA 43 3772133567015396151 2026-09-18
198.89.75.0/24 v4 no ROA 43 3772133567015396151 2026-09-18
198.89.77.0/24 v4 no ROA 43 3772133567015396151 2026-09-18
198.89.78.0/24 v4 no ROA 43 3772133567015396151 2026-09-18
198.89.79.0/24 v4 no ROA 43 3772133567015396151 2026-09-18
198.89.83.0/24 v4 no ROA 43 3772133567015396151 2026-09-18
198.212.151.0/24 v4 no ROA 41 1490717378396151 2026-09-18
204.58.2.0/23 v4 no ROA 41 1490717378396151 2026-09-18