subnet.im

AS396381Genesis Healthcare System

United StatesRegistryARIN

As of 23rd October 2026, AS396381 (Genesis Healthcare System), a network registered in the United States with ARIN, originates 1 IPv4 prefix covering 256 addresses. By IPv4 address space that makes it the 59,184th-largest of the 79,659 networks we see originating IPv4, and the 12,889th-largest of 18,482 in the United States. It is seen behind 2 upstream networks, most often AS600 (OARnet) and AS10796 (Charter Communications Inc). None of its announcements have a valid RPKI ROA. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

256

IPv6 /64s

0

Upstream graph

The networks AS396381 is seen behind, one and two hops out, drawn from real AS paths.

AS396381Toward the internet core
Upstream graph for AS396381: 5 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS396381Genesis Healthcar…This networkAS600OARnetAS10796Charter Communica…AS6939Hurricane Electri…AS3356Lumen (Level 3)AS7843Spectrum (Charter)

Networks observed one and two hops upstream of AS396381 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

4

adjacent networks

Upstreams
250%
Peers
250%
Downstreams
00%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS396381
NetworkCountryRelationshipPathsVantage pts
AS600OARnetUSPeer7474
AS10796Charter Communications IncUSPeer33

Prefixes

The largest blocks AS396381 originates, widest first.

Largest prefixes originated by AS396381
PrefixAddressesVisibility
198.30.182.0/2425677/77

Routing health

How AS396381's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.

RPKI origin validation

  • Valid0.0%0
  • Invalid0.0%0
  • No ROA100.0%1

Propagation

  • Globally propagated90% of full-feed peers or more100.0%1
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 1 prefixes

Recent changes

Announcements that started or stopped since 23rd Sept 2026.

No announcement by AS396381 started or stopped in this period.

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.