SUBNET.IM

AS51809BRSK Limited

United KingdomRegistryRIPE NCCTypeEyeball

At a glance

IPv4 prefixes

38

IPv6 prefixes

1

IPv4 addresses

30k

IPv6 /64s

34.4B

Upstream graph

The networks AS51809 is seen behind, one and two hops out, drawn from real AS paths.

AS51809Toward the internet core
Upstream graph for AS51809: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS51809BRSK LimitedThis networkAS212655YouFibre LimitedAS2914NTT America, Inc.AS6461Zayo Bandwidth

Networks observed one and two hops upstream of AS51809 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
125%
Peers
250%
Downstreams
125%

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

Upstreams of AS51809
NetworkCountryRelationshipPathsVantage pts
AS212655YouFibre LimitedGBPeer3,626142

Prefixes

All 39

The largest blocks AS51809 originates, widest first.

Largest prefixes originated by AS51809
PrefixAddressesVisibility
31.98.80.0/204.1k80/80
88.97.176.0/204.1k80/80
31.98.72.0/212k80/80
45.61.104.0/212k80/80
63.135.72.0/212k80/80
88.97.160.0/212k80/80
104.238.40.0/212k80/80
45.41.148.0/221k80/80
45.82.140.0/221k80/80
67.208.52.0/221k80/80

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