SUBNET.IM

AS397268Cambridge Telephone

United StatesRegistryARIN

At a glance

IPv4 prefixes

13

IPv6 prefixes

0

IPv4 addresses

3.3k

IPv6 /64s

0

Upstream graph

The networks AS397268 is seen behind, one and two hops out, drawn from real AS paths.

AS397268Toward the internet core
Upstream graph for AS397268: 4 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS397268Cambridge Telepho…This networkAS15305Syringa Networks,…AS397285Cambridge Telepho…AS174Cogent Communicat…AS1299Arelion (fka. Tel…

Networks observed one and two hops upstream of AS397268 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 AS397268
NetworkCountryRelationshipPathsVantage pts
AS15305Syringa Networks, LLCUSPeer79079
AS397285Cambridge TelephoneUSPeer23779

Prefixes

The largest blocks AS397268 originates, widest first.

Largest prefixes originated by AS397268
PrefixAddressesVisibility
23.172.192.0/2425679/80
45.33.218.0/2425679/80
45.33.219.0/2425679/80
185.207.179.0/2425679/80
199.58.120.0/2425679/80
199.58.121.0/2425679/80
199.58.122.0/2425679/80
199.58.123.0/2425679/80
199.58.124.0/2425679/80
199.58.125.0/2425679/80

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