SUBNET.IM

AS397112Illinois Mathematics and Science Academy

United StatesRegistryARIN

At a glance

IPv4 prefixes

6

IPv6 prefixes

0

IPv4 addresses

58.1k

IPv6 /64s

0

Upstream graph

The networks AS397112 is seen behind, one and two hops out, drawn from real AS paths.

AS397112Toward the internet core
Upstream graph for AS397112: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS397112Illinois Mathemat…This networkAS6325Illinois Century …AS393451On Light AuroraAS174Cogent Communicat…AS6461Zayo BandwidthAS1000LINK AMERICANAS3356Lumen (Level 3)

Networks observed one and two hops upstream of AS397112 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

4

adjacent networks

Upstreams
250%
Peers
250%
Downstreams
00%

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

Upstreams of AS397112
NetworkCountryRelationshipPathsVantage pts
AS6325Illinois Century NetworkUSPeer26479
AS393451On Light AuroraUSPeer21371

Prefixes

The largest blocks AS397112 originates, widest first.

Largest prefixes originated by AS397112
PrefixAddressesVisibility
143.195.0.0/1732.8k80/80
143.195.128.0/1816.4k80/80
143.195.192.0/198.2k80/80
143.195.1.0/2425679/80
143.195.2.0/2425679/80
143.195.3.0/2425679/80

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