SUBNET.IM

AS19355San Mateo Regional Network, Inc.

United StatesRegistryARIN

At a glance

IPv4 prefixes

8

IPv6 prefixes

2

IPv4 addresses

6.1k

IPv6 /64s

4.3B

Upstream graph

The networks AS19355 is seen behind, one and two hops out, drawn from real AS paths.

AS19355Toward the internet core
Upstream graph for AS19355: 9 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS19355San Mateo Regiona…This networkAS6939Hurricane Electri…AS11404Wave BroadbandAS46375Sonic Telecom LLCAS18106Viewqwest Pte LtdAS20130Depaul UniversityAS1299Arelion (fka. Tel…AS3257GTT Communication…AS174Cogent Communicat…AS6453TATA Communicatio…

Networks observed one and two hops upstream of AS19355 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 AS19355
NetworkCountryRelationshipPathsVantage pts
AS6939Hurricane Electric LLCUSPeer743141
AS11404Wave BroadbandUSPeer166
AS46375Sonic Telecom LLCUSPeer31

Prefixes

The largest blocks AS19355 originates, widest first.

Largest prefixes originated by AS19355
PrefixAddressesVisibility
209.234.96.0/204.1k80/80
199.181.122.0/2351280/80
198.180.184.0/2425680/80
209.234.97.0/2425680/80
209.234.99.0/2425680/80
209.234.101.0/2425680/80
209.234.102.0/2425680/80
209.234.110.0/2425680/80
2607:ffa0::/324.3B × /6461/62
2607:ffa0:1::/4865.5k × /6461/62

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