SUBNET.IM

AS51100Kier Ltd

United KingdomRegistryRIPE NCC

At a glance

IPv4 prefixes

7

IPv6 prefixes

0

IPv4 addresses

2.6k

IPv6 /64s

0

Upstream graph

The networks AS51100 is seen behind, one and two hops out, drawn from real AS paths.

AS51100Toward the internet core
Upstream graph for AS51100: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS51100Kier LtdThis networkAS1273Vodafone Group PLCAS6667Elisa OyjAS41811CONVERGENCE (GROU…

Networks observed one and two hops upstream of AS51100 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
375%
Downstreams
00%

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

Upstreams of AS51100
NetworkCountryRelationshipPathsVantage pts
AS1273Vodafone Group PLCEUPeer55680

Prefixes

The largest blocks AS51100 originates, widest first.

Largest prefixes originated by AS51100
PrefixAddressesVisibility
91.195.112.0/2351279/80
185.239.164.0/2351279/80
185.239.166.0/2351279/80
91.195.112.0/2425680/80
91.195.113.0/2425680/80
185.239.166.0/2425679/80
185.239.167.0/2425680/80

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