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AS21631Colorado Housing and Finance Authority

United StatesRegistryARIN

At a glance

IPv4 prefixes

2

IPv6 prefixes

0

IPv4 addresses

512

IPv6 /64s

0

Upstream graph

The networks AS21631 is seen behind, one and two hops out, drawn from real AS paths.

AS21631Toward the internet core
Upstream graph for AS21631: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS21631Colorado Housing …This networkAS29863Latisys-Denver, L…AS3356Lumen (Level 3)AS6461Zayo Bandwidth

Networks observed one and two hops upstream of AS21631 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 AS21631
NetworkCountryRelationshipPathsVantage pts
AS29863Latisys-Denver, LLCUSPeer16080

Prefixes

The largest blocks AS21631 originates, widest first.

Largest prefixes originated by AS21631
PrefixAddressesVisibility
71.4.66.0/2425680/80
192.30.123.0/2425680/80

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