SUBNET.IM

AS203365Optet network, s. r. o.

CzechiaRegistryRIPE NCCTypeEyeball

At a glance

IPv4 prefixes

1

IPv6 prefixes

1

IPv4 addresses

1k

IPv6 /64s

34.4B

Upstream graph

The networks AS203365 is seen behind, one and two hops out, drawn from real AS paths.

AS203365Toward the internet core
Upstream graph for AS203365: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS203365Optet network, s.…This networkAS28725CETIN a.s.AS202979NGA Services, spo…AS174Cogent Communicat…AS1299Arelion (fka. Tel…AS12570O2 Czech Republic…AS43542OptoNet Communica…

Networks observed one and two hops upstream of AS203365 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 AS203365
NetworkCountryRelationshipPathsVantage pts
AS28725CETIN a.s.CZPeer129129
AS202979NGA Services, spol. s r.o.CZPeer1111

Prefixes

The largest blocks AS203365 originates, widest first.

Largest prefixes originated by AS203365
PrefixAddressesVisibility
185.136.196.0/221k79/80
2a06:fe80::/2934.4B × /6461/62

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