SUBNET.IM

AS23427Glenbard HSD #87

United StatesRegistryARIN

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

1k

IPv6 /64s

0

Upstream graph

The networks AS23427 is seen behind, one and two hops out, drawn from real AS paths.

AS23427Toward the internet core
Upstream graph for AS23427: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS23427Glenbard HSD #87This networkAS6325Illinois Century …AS174Cogent Communicat…AS6461Zayo Bandwidth

Networks observed one and two hops upstream of AS23427 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 AS23427
NetworkCountryRelationshipPathsVantage pts
AS6325Illinois Century NetworkUSPeer7979

Prefixes

The largest blocks AS23427 originates, widest first.

Largest prefixes originated by AS23427
PrefixAddressesVisibility
204.145.108.0/221k79/80

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