SUBNET.IM

AS54721NGEN Networks

United StatesRegistryARIN

At a glance

IPv4 prefixes

2

IPv6 prefixes

5

IPv4 addresses

512

IPv6 /64s

328k

Upstream graph

The networks AS54721 is seen behind, one and two hops out, drawn from real AS paths.

AS54721Toward the internet core
Upstream graph for AS54721: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS54721NGEN NetworksThis networkAS20473The Constant Comp…AS1299Arelion (fka. Tel…AS2914NTT America, Inc.

Networks observed one and two hops upstream of AS54721 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

2

adjacent networks

Upstreams
150%
Peers
150%
Downstreams
00%

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

Upstreams of AS54721
NetworkCountryRelationshipPathsVantage pts
AS20473The Constant Company, LLCUSPeer466142

Prefixes

The largest blocks AS54721 originates, widest first.

Largest prefixes originated by AS54721
PrefixAddressesVisibility
23.163.128.0/2425680/80
23.163.129.0/2425679/80
2602:fef4::/4865.5k × /6461/62
2602:fef4:200::/4865.5k × /6461/62
2602:fef4:300::/4865.5k × /6461/62
2602:fef4:400::/4865.5k × /6462/62
2602:fef4:500::/4865.5k × /6462/62

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