SUBNET.IM

AS12073Contemporary Computer Services Inc.

United StatesRegistryARIN

At a glance

IPv4 prefixes

4

IPv6 prefixes

0

IPv4 addresses

1k

IPv6 /64s

0

Upstream graph

The networks AS12073 is seen behind, one and two hops out, drawn from real AS paths.

AS12073Toward the internet core
Upstream graph for AS12073: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS12073Contemporary Comp…This networkAS46887Zayo BandwidthAS3356Lumen (Level 3)AS6461Zayo Bandwidth

Networks observed one and two hops upstream of AS12073 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 AS12073
NetworkCountryRelationshipPathsVantage pts
AS46887Zayo BandwidthUSPeer32080

Prefixes

The largest blocks AS12073 originates, widest first.

Largest prefixes originated by AS12073
PrefixAddressesVisibility
216.155.240.0/2425680/80
216.155.241.0/2425680/80
216.155.242.0/2425680/80
216.155.243.0/2425680/80

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