SUBNET.IM

AS204154FIRST SERVER LIMITED

United KingdomRegistryRIPE NCC

At a glance

IPv4 prefixes

7

IPv6 prefixes

2

IPv4 addresses

2.3k

IPv6 /64s

131k

Upstream graph

The networks AS204154 is seen behind, one and two hops out, drawn from real AS paths.

AS204154Toward the internet core
Upstream graph for AS204154: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS204154FIRST SERVER LIMI…This networkAS8849Melbikomas UABAS395839HOSTKEYAS174Cogent Communicat…AS4637Telstra Internati…AS3257GTT Communication…AS6939Hurricane Electri…

Networks observed one and two hops upstream of AS204154 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 AS204154
NetworkCountryRelationshipPathsVantage pts
AS395839HOSTKEYUSPeer462142
AS8849Melbikomas UABLTPeer219140

Prefixes

The largest blocks AS204154 originates, widest first.

Largest prefixes originated by AS204154
PrefixAddressesVisibility
46.8.180.0/2351279/80
132.243.28.0/2351279/80
45.86.47.0/2425680/80
46.17.107.0/2425680/80
92.118.10.0/2425680/80
185.172.129.0/2425680/80
185.200.191.0/2425680/80
2a04:5201:1::/4865.5k × /6462/62
2a0c:5d00:ff07::/4865.5k × /6461/62

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