SUBNET.IM

AS19851Doylestown Hospital

United StatesRegistryARIN

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

256

IPv6 /64s

0

Upstream graph

The networks AS19851 is seen behind, one and two hops out, drawn from real AS paths.

AS19851Toward the internet core
Upstream graph for AS19851: 5 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS19851Doylestown Hospit…This networkAS701Verizon BusinessAS33287Comcast Cable Com…AS1299Arelion (fka. Tel…AS3356Lumen (Level 3)AS7922Comcast Cable Com…

Networks observed one and two hops upstream of AS19851 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 AS19851
NetworkCountryRelationshipPathsVantage pts
AS701Verizon BusinessUSPeer7777
AS33287Comcast Cable Communications, LLCUSPeer22

Prefixes

The largest blocks AS19851 originates, widest first.

Largest prefixes originated by AS19851
PrefixAddressesVisibility
170.76.212.0/2425679/80

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