SUBNET.IM

AS204666Jiri Tlapak

CzechiaRegistryRIPE NCC

At a glance

IPv4 prefixes

38

IPv6 prefixes

9

IPv4 addresses

20.7k

IPv6 /64s

245B

Upstream graph

The networks AS204666 is seen behind, one and two hops out, drawn from real AS paths.

AS204666Toward the internet core
Upstream graph for AS204666: 5 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS204666Jiri TlapakThis networkAS16019Vodafone Czech Re…AS47232ISP Alliance a.s.AS1273Vodafone Group PLCAS6939Hurricane Electri…AS39392SH.cz s.r.o.

Networks observed one and two hops upstream of AS204666 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

8

adjacent networks

Upstreams
225%
Peers
450%
Downstreams
225%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS204666
NetworkCountryRelationshipPathsVantage pts
AS16019Vodafone Czech Republic a.s.CZPeer3,090141
AS47232ISP Alliance a.s.CZPeer63568

Prefixes

All 47

The largest blocks AS204666 originates, widest first.

Largest prefixes originated by AS204666
PrefixAddressesVisibility
37.221.240.0/204.1k80/80
45.153.192.0/221k80/80
85.255.88.0/221k80/80
185.19.0.0/221k80/80
185.64.220.0/221k80/80
185.87.140.0/221k80/80
185.97.24.0/221k80/80
185.230.172.0/221k80/80
185.243.172.0/221k80/80
5.59.102.0/2351280/80

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