SUBNET.IM

AS51420cyrilek.net z.s.

CzechiaRegistryRIPE NCC

At a glance

IPv4 prefixes

18

IPv6 prefixes

0

IPv4 addresses

20.5k

IPv6 /64s

0

Upstream graph

The networks AS51420 is seen behind, one and two hops out, drawn from real AS paths.

AS51420Toward the internet core
Upstream graph for AS51420: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS51420cyrilek.net z.s.This networkAS28725CETIN a.s.AS44489STARNET, s.r.o.AS174Cogent Communicat…AS1299Arelion (fka. Tel…AS16019Vodafone Czech Re…AS39392SH.cz s.r.o.

Networks observed one and two hops upstream of AS51420 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 AS51420
NetworkCountryRelationshipPathsVantage pts
AS44489STARNET, s.r.o.CZPeer1,31879
AS28725CETIN a.s.CZPeer10479

Prefixes

The largest blocks AS51420 originates, widest first.

Largest prefixes originated by AS51420
PrefixAddressesVisibility
109.164.64.0/198.2k79/80
109.164.64.0/204.1k79/80
109.164.80.0/204.1k79/80
109.164.96.0/2351279/80
109.164.83.0/2425679/80
109.164.84.0/2425679/80
109.164.85.0/2425679/80
109.164.87.0/2425679/80
109.164.88.0/2425679/80
109.164.89.0/2425679/80

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