SUBNET.IM

AS397720Novus Insight

United StatesRegistryARIN

At a glance

IPv4 prefixes

4

IPv6 prefixes

8

IPv4 addresses

1k

IPv6 /64s

4.5M

Upstream graph

The networks AS397720 is seen behind, one and two hops out, drawn from real AS paths.

AS397720Toward the internet core
Upstream graph for AS397720: 9 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS397720Novus InsightThis networkAS174Cogent Communicat…AS22742Connecticut Educa…AS46887Zayo BandwidthAS395748NetSpeed LLCAS1299Arelion (fka. Tel…AS151326DCConnect Communi…AS3257GTT Communication…AS3356Lumen (Level 3)AS6461Zayo Bandwidth

Networks observed one and two hops upstream of AS397720 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

11

adjacent networks

Upstreams
436%
Peers
655%
Downstreams
19%

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

Upstreams of AS397720
NetworkCountryRelationshipPathsVantage pts
AS22742Connecticut Education NetworkUSPeer412118
AS46887Zayo BandwidthUSPeer325118
AS174Cogent Communications, LLCUSPeer18195
AS395748NetSpeed LLCUSPeer3826

Prefixes

The largest blocks AS397720 originates, widest first.

Largest prefixes originated by AS397720
PrefixAddressesVisibility
136.175.208.0/2425679/80
136.175.209.0/2425679/80
136.175.210.0/2425679/80
136.175.211.0/2425679/80
2602:fdc2:100::/441M × /6460/62
2602:fdc2:200::/441M × /6460/62
2602:fdc2:300::/441M × /6462/62
2602:fdc2:700::/441M × /6457/62
2602:fdc2::/4865.5k × /6460/62
2602:fdc2:a::/4865.5k × /6462/62

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