SUBNET.IM

AS400181Sigyn Systems

United StatesRegistryARIN

At a glance

IPv4 prefixes

1

IPv6 prefixes

1

IPv4 addresses

256

IPv6 /64s

268M

Upstream graph

The networks AS400181 is seen behind, one and two hops out, drawn from real AS paths.

AS400181Toward the internet core
Upstream graph for AS400181: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS400181Sigyn SystemsThis networkAS20473The Constant Comp…AS1299Arelion (fka. Tel…AS2914NTT America, Inc.

Networks observed one and two hops upstream of AS400181 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

3

adjacent networks

Upstreams
133%
Peers
267%
Downstreams
00%

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

Upstreams of AS400181
NetworkCountryRelationshipPathsVantage pts
AS20473The Constant Company, LLCUSPeer142142

Prefixes

The largest blocks AS400181 originates, widest first.

Largest prefixes originated by AS400181
PrefixAddressesVisibility
23.128.40.0/2425680/80
2602:fc0d::/36268M × /6462/62

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