SUBNET.IM

AS203965FRITZ! Technology GmbH

GermanyRegistryRIPE NCC

At a glance

IPv4 prefixes

5

IPv6 prefixes

3

IPv4 addresses

2k

IPv6 /64s

34.4B

Upstream graph

The networks AS203965 is seen behind, one and two hops out, drawn from real AS paths.

AS203965Toward the internet core
Upstream graph for AS203965: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS203965FRITZ! Technology…This networkAS8220COLTAS12732GutCon GmbHAS1299Arelion (fka. Tel…AS15576NTS workspace AGAS3356Lumen (Level 3)AS5405Inter.link GmbH

Networks observed one and two hops upstream of AS203965 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 AS203965
NetworkCountryRelationshipPathsVantage pts
AS12732GutCon GmbHDEPeer315141
AS8220COLTGBPeer266124

Prefixes

The largest blocks AS203965 originates, widest first.

Largest prefixes originated by AS203965
PrefixAddressesVisibility
185.118.172.0/221k80/80
185.118.172.0/2425680/80
185.118.173.0/2425680/80
185.118.174.0/2425680/80
185.118.175.0/2425680/80
2a06:9380::/2934.4B × /6459/62
2a06:9380:172::/4865.5k × /6461/62
2a06:9380:173::/4865.5k × /6461/62

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