SUBNET.IM

AS11203Matrix Broadband

United StatesRegistryARIN

At a glance

IPv4 prefixes

17

IPv6 prefixes

0

IPv4 addresses

4.4k

IPv6 /64s

0

Upstream graph

The networks AS11203 is seen behind, one and two hops out, drawn from real AS paths.

AS11203Toward the internet core
Upstream graph for AS11203: 8 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS11203Matrix BroadbandThis networkAS1000LINK AMERICANAS3356Lumen (Level 3)AS7018AT&T Enterprises,…AS174Cogent Communicat…AS6453TATA Communicatio…AS3549Lumen (fka. Globa…AS2914NTT America, Inc.AS1299Arelion (fka. Tel…

Networks observed one and two hops upstream of AS11203 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 AS11203
NetworkCountryRelationshipPathsVantage pts
AS7018AT&T Enterprises, LLCUSPeer1,19180
AS3356Lumen (Level 3)USPeer15980
AS1000LINK AMERICANUSPeer11

Prefixes

The largest blocks AS11203 originates, widest first.

Largest prefixes originated by AS11203
PrefixAddressesVisibility
38.51.112.0/2425679/80
38.51.113.0/2425679/80
38.51.114.0/2425679/80
38.51.115.0/2425679/80
38.51.116.0/2425679/80
38.51.117.0/2425680/80
38.51.118.0/2425680/80
38.51.119.0/2425680/80
192.0.8.0/2425680/80
192.0.9.0/2425680/80

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