SUBNET.IM

AS33490Comcast (Portland/Spokane)

United StatesRegistryARINTypeEyeball

At a glance

IPv4 prefixes

37

IPv6 prefixes

60

IPv4 addresses

16.4k

IPv6 /64s

3.9M

Upstream graph

The networks AS33490 is seen behind, one and two hops out, drawn from real AS paths.

AS33490Toward the internet core
Upstream graph for AS33490: 8 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS33490Comcast (Portland…This networkAS1000LINK AMERICANAS3356Lumen (Level 3)AS7922Comcast Cable Com…AS174Cogent Communicat…AS6453TATA Communicatio…AS3549Lumen (fka. Globa…AS2914NTT America, Inc.AS1299Arelion (fka. Tel…

Networks observed one and two hops upstream of AS33490 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

134

adjacent networks

Upstreams
32%
Peers
6851%
Downstreams
6347%

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

Upstreams of AS33490
NetworkCountryRelationshipPathsVantage pts
AS7922Comcast Cable Communications, LLCUSPeer9,037142
AS3356Lumen (Level 3)USPeer1,43853
AS1000LINK AMERICANUSPeer11

Prefixes

All 97

The largest blocks AS33490 originates, widest first.

Largest prefixes originated by AS33490
PrefixAddressesVisibility
104.145.48.0/204.1k80/80
74.50.12.0/221k79/80
216.122.120.0/221k79/80
216.122.124.0/221k79/80
104.247.154.0/235124/80
173.211.82.0/235124/80
204.76.180.0/2351279/80
50.204.255.0/2425678/80
50.206.113.0/2425678/80
50.228.52.0/2425678/80

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