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%)

Upstreams

Networks seen providing transit to this one

Network Country Cone IPv4 prefixes Paths Source
AS46887 Zayo (fka. Crown Castle) 🇺🇸 US 1,411 798 205 CAIDA
AS7015 Comcast Cable Communications, LLC 🇺🇸 US 168 120 462 CAIDA
AS17378 TierPoint, LLC 🇺🇸 US 142 392 80 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

No downstreams observed at the collectors.

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.