SUBNET.IM

AS1803Cogent Communications, LLC

United StatesRegistryARIN

At a glance

IPv4 prefixes

2

IPv6 prefixes

0

IPv4 addresses

512

IPv6 /64s

0

Upstream graph

The networks AS1803 is seen behind, one and two hops out, drawn from real AS paths.

AS1803Toward the internet core
Upstream graph for AS1803: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS1803Cogent Communicat…This networkAS4046Federal Aviation …AS174Cogent Communicat…AS3356Lumen (Level 3)

Networks observed one and two hops upstream of AS1803 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 AS1803
NetworkCountryRelationshipPathsVantage pts
AS4046Federal Aviation AdministrationUSPeer15879

Prefixes

The largest blocks AS1803 originates, widest first.

Largest prefixes originated by AS1803
PrefixAddressesVisibility
155.178.69.0/2425679/80
155.178.70.0/2425679/80

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