SUBNET.IM

AS23173CITISTREET

United StatesRegistryARIN

At a glance

IPv4 prefixes

17

IPv6 prefixes

0

IPv4 addresses

7.9k

IPv6 /64s

0

Upstream graph

The networks AS23173 is seen behind, one and two hops out, drawn from real AS paths.

AS23173Toward the internet core
Upstream graph for AS23173: 8 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS23173CITISTREETThis networkAS209Lumen (ex. Qwest)AS6461Zayo BandwidthAS13335Cloudflare, Inc.AS3356Lumen (Level 3)AS6667Elisa OyjAS32590Valve CorporationAS2914NTT America, Inc.AS6453TATA Communicatio…

Networks observed one and two hops upstream of AS23173 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

6

adjacent networks

Upstreams
350%
Peers
350%
Downstreams
00%

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

Upstreams of AS23173
NetworkCountryRelationshipPathsVantage pts
AS13335Cloudflare, Inc.USPeer1,20080
AS6461Zayo BandwidthUSPeer8080
AS209Lumen (ex. Qwest)USPeer7979

Prefixes

The largest blocks AS23173 originates, widest first.

Largest prefixes originated by AS23173
PrefixAddressesVisibility
72.0.12.0/221k80/80
72.0.24.0/221k80/80
72.0.0.0/2351280/80
72.0.2.0/2351280/80
72.0.4.0/2351280/80
72.0.6.0/2351280/80
72.0.8.0/2351280/80
72.0.16.0/2351280/80
72.0.20.0/2351280/80
72.0.30.0/2351280/80

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