SUBNET.IM

AS33666Comcast Cable Communications, LLC

United StatesRegistryARIN

At a glance

IPv4 prefixes

3

IPv6 prefixes

3

IPv4 addresses

768

IPv6 /64s

197k

Upstream graph

The networks AS33666 is seen behind, one and two hops out, drawn from real AS paths.

AS33666Toward the internet core
Upstream graph for AS33666: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS33666Comcast Cable Com…This networkAS7922Comcast Cable Com…AS1299Arelion (fka. Tel…AS2914NTT America, Inc.

Networks observed one and two hops upstream of AS33666 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

12

adjacent networks

Upstreams
18%
Peers
650%
Downstreams
542%

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

Upstreams of AS33666
NetworkCountryRelationshipPathsVantage pts
AS7922Comcast Cable Communications, LLCUSPeer903142

Prefixes

The largest blocks AS33666 originates, widest first.

Largest prefixes originated by AS33666
PrefixAddressesVisibility
66.170.177.0/2425676/80
66.170.179.0/2425680/80
199.120.255.0/2425676/80
2001:559:195::/4865.5k × /6461/62
2001:559:233::/4865.5k × /6461/62
2001:559:c507::/4865.5k × /6461/62

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