SUBNET.IM

AS204339FIRST SERVER LIMITED

United KingdomRegistryRIPE NCC

At a glance

IPv4 prefixes

43

IPv6 prefixes

2

IPv4 addresses

11k

IPv6 /64s

131k

Upstream graph

The networks AS204339 is seen behind, one and two hops out, drawn from real AS paths.

AS204339Toward the internet core
Upstream graph for AS204339: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS204339FIRST SERVER LIMI…This networkAS50113FIRST SERVER LIMI…AS214602FIRST SERVER LIMI…AS31500Global Network Ma…AS35598INETCOM CARRIER L…AS9002RETN LimitedAS51765Oy Crea Nova Host…

Networks observed one and two hops upstream of AS204339 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 AS204339
NetworkCountryRelationshipPathsVantage pts
AS214602FIRST SERVER LIMITEDGBPeer3,374138
AS50113FIRST SERVER LIMITEDGBPeer1724

Prefixes

All 45

The largest blocks AS204339 originates, widest first.

Largest prefixes originated by AS204339
PrefixAddressesVisibility
45.9.72.0/2425680/80
45.138.73.0/2425680/80
45.138.74.0/2425680/80
46.8.96.0/2425679/80
46.8.178.0/2425679/80
46.8.179.0/2425679/80
46.8.218.0/2425679/80
46.17.105.0/2425679/80
83.147.194.0/2425680/80
91.186.208.0/2425679/80

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