SUBNET.IM

AS63307Cooley Dickinson Hospital

United StatesRegistryARIN

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

256

IPv6 /64s

0

Upstream graph

The networks AS63307 is seen behind, one and two hops out, drawn from real AS paths.

AS63307Toward the internet core
Upstream graph for AS63307: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS63307Cooley Dickinson …This networkAS46887Zayo BandwidthAS3356Lumen (Level 3)AS6461Zayo Bandwidth

Networks observed one and two hops upstream of AS63307 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

2

adjacent networks

Upstreams
150%
Peers
150%
Downstreams
00%

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

Upstreams of AS63307
NetworkCountryRelationshipPathsVantage pts
AS46887Zayo BandwidthUSPeer8080

Prefixes

The largest blocks AS63307 originates, widest first.

Largest prefixes originated by AS63307
PrefixAddressesVisibility
66.152.203.0/2425680/80

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