SUBNET.IM

AS400973UNIVERSAL HEALTH SERVICES

United StatesRegistryARIN

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

256

IPv6 /64s

0

Upstream graph

The networks AS400973 is seen behind, one and two hops out, drawn from real AS paths.

AS400973Toward the internet core
Upstream graph for AS400973: 5 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS400973UNIVERSAL HEALTH …This networkAS13760Uniti Fiber Holdi…AS33665Comcast Cable Com…AS3356Lumen (Level 3)AS7029Windstream Commun…AS7922Comcast Cable Com…

Networks observed one and two hops upstream of AS400973 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 AS400973
NetworkCountryRelationshipPathsVantage pts
AS13760Uniti Fiber Holdings Inc.USPeer7575
AS33665Comcast Cable Communications, LLCUSPeer55

Prefixes

The largest blocks AS400973 originates, widest first.

Largest prefixes originated by AS400973
PrefixAddressesVisibility
50.168.21.0/2425680/80

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