SUBNET.IM

AS23458Denver Health and Hospital Authority

United StatesRegistryARIN

At a glance

IPv4 prefixes

5

IPv6 prefixes

0

IPv4 addresses

2k

IPv6 /64s

0

Upstream graph

The networks AS23458 is seen behind, one and two hops out, drawn from real AS paths.

AS23458Toward the internet core
Upstream graph for AS23458: 5 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS23458Denver Health and…This networkAS209Lumen (ex. Qwest)AS6461Zayo BandwidthAS3356Lumen (Level 3)AS6667Elisa OyjAS32590Valve Corporation

Networks observed one and two hops upstream of AS23458 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 AS23458
NetworkCountryRelationshipPathsVantage pts
AS6461Zayo BandwidthUSPeer37078
AS209Lumen (ex. Qwest)USPeer307

Prefixes

The largest blocks AS23458 originates, widest first.

Largest prefixes originated by AS23458
PrefixAddressesVisibility
204.9.100.0/221k80/80
204.9.100.0/2425680/80
204.9.101.0/2425680/80
204.9.102.0/2425680/80
205.170.235.0/2425680/80

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