SUBNET.IM

AS393272Port Madison Enterprises

United StatesRegistryARIN

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

256

IPv6 /64s

0

Upstream graph

The networks AS393272 is seen behind, one and two hops out, drawn from real AS paths.

AS393272Toward the internet core
Upstream graph for AS393272: 4 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS393272Port Madison Ente…This networkAS209Lumen (ex. Qwest)AS33650Comcast Cable Com…AS3356Lumen (Level 3)AS7922Comcast Cable Com…

Networks observed one and two hops upstream of AS393272 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 AS393272
NetworkCountryRelationshipPathsVantage pts
AS33650Comcast Cable Communications, LLCUSPeer7676
AS209Lumen (ex. Qwest)USPeer33

Prefixes

The largest blocks AS393272 originates, widest first.

Largest prefixes originated by AS393272
PrefixAddressesVisibility
50.204.157.0/2425679/80

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