SUBNET.IM

AS21904PowerOne

United StatesRegistryARIN

At a glance

IPv4 prefixes

8

IPv6 prefixes

0

IPv4 addresses

2k

IPv6 /64s

0

Upstream graph

The networks AS21904 is seen behind, one and two hops out, drawn from real AS paths.

AS21904Toward the internet core
Upstream graph for AS21904: 4 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS21904PowerOneThis networkAS209Lumen (ex. Qwest)AS3356Lumen (Level 3)AS2914NTT America, Inc.AS3549Lumen (fka. Globa…

Networks observed one and two hops upstream of AS21904 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

5

adjacent networks

Upstreams
240%
Peers
360%
Downstreams
00%

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

Upstreams of AS21904
NetworkCountryRelationshipPathsVantage pts
AS3356Lumen (Level 3)USPeer39579
AS209Lumen (ex. Qwest)USPeer23980

Prefixes

The largest blocks AS21904 originates, widest first.

Largest prefixes originated by AS21904
PrefixAddressesVisibility
68.64.105.0/2425679/80
68.64.106.0/2425679/80
204.15.136.0/2425679/80
204.15.137.0/2425679/80
204.15.138.0/2425680/80
204.15.139.0/2425679/80
204.15.142.0/2425680/80
208.82.26.0/2425679/80

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