SUBNET.IM

AS40300DR Fortress, LLC

United StatesRegistryARIN

At a glance

IPv4 prefixes

15

IPv6 prefixes

5

IPv4 addresses

6.4k

IPv6 /64s

328k

Upstream graph

The networks AS40300 is seen behind, one and two hops out, drawn from real AS paths.

AS40300Toward the internet core

Networks observed one and two hops upstream of AS40300 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

35

adjacent networks

Upstreams
39%
Peers
2880%
Downstreams
411%

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

Upstreams of AS40300
NetworkCountryRelationshipPathsVantage pts
AS6939Hurricane Electric LLCUSPeer1,317128
AS3356Lumen (Level 3)USPeer425141
AS174Cogent Communications, LLCUSPeer16254

Prefixes

The largest blocks AS40300 originates, widest first.

Largest prefixes originated by AS40300
PrefixAddressesVisibility
208.111.56.0/212k80/80
205.172.0.0/221k80/80
161.108.122.0/2425680/80
162.218.108.0/2425680/80
162.218.109.0/2425680/80
162.218.110.0/2425680/80
162.218.111.0/2425680/80
204.9.117.0/2425680/80
204.9.119.0/2425680/80
206.197.210.0/2425678/80

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