SUBNET.IM

AS216021Stefan Johannes Mayer

CzechiaRegistryRIPE NCC

At a glance

IPv4 prefixes

0

IPv6 prefixes

1

IPv4 addresses

0

IPv6 /64s

65.5k

Upstream graph

The networks AS216021 is seen behind, one and two hops out, drawn from real AS paths.

AS216021Toward the internet core
Upstream graph for AS216021: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS216021Stefan Johannes M…This networkAS24641FASTER CZ spol. s…AS16019Vodafone Czech Re…AS28725CETIN a.s.

Networks observed one and two hops upstream of AS216021 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

2

adjacent networks

Upstreams
150%
Peers
150%
Downstreams
00%

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

Upstreams of AS216021
NetworkCountryRelationshipPathsVantage pts
AS24641FASTER CZ spol. s r.o.CZPeer6060

Prefixes

The largest blocks AS216021 originates, widest first.

Largest prefixes originated by AS216021
PrefixAddressesVisibility
2001:67c:634::/4865.5k × /6460/62

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