SUBNET.IM

AS33661Comcast Cable Communications, LLC

United StatesRegistryARIN

At a glance

IPv4 prefixes

7

IPv6 prefixes

15

IPv4 addresses

1.8k

IPv6 /64s

983k

Upstream graph

The networks AS33661 is seen behind, one and two hops out, drawn from real AS paths.

AS33661Toward the internet core
Upstream graph for AS33661: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS33661Comcast Cable Com…This networkAS7922Comcast Cable Com…AS1299Arelion (fka. Tel…AS2914NTT America, Inc.

Networks observed one and two hops upstream of AS33661 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

45

adjacent networks

Upstreams
12%
Peers
2351%
Downstreams
2147%

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

Upstreams of AS33661
NetworkCountryRelationshipPathsVantage pts
AS7922Comcast Cable Communications, LLCUSPeer4,275142

Prefixes

The largest blocks AS33661 originates, widest first.

Largest prefixes originated by AS33661
PrefixAddressesVisibility
50.218.97.0/2425679/80
50.220.33.0/2425679/80
50.226.0.0/2425679/80
50.227.97.0/2425679/80
50.228.116.0/2425679/80
50.236.155.0/2425679/80
50.237.76.0/2425680/80
2001:559:135::/4865.5k × /6462/62
2001:559:4ed::/4865.5k × /6461/62
2001:559:4ee::/4865.5k × /6462/62

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