SUBNET.IM

AS200454Tomas Oliveira Valente Leite de Castro

PortugalRegistryRIPE NCCTypeEyeball

At a glance

IPv4 prefixes

3

IPv6 prefixes

3

IPv4 addresses

1.5k

IPv6 /64s

285M

Upstream graph

The networks AS200454 is seen behind, one and two hops out, drawn from real AS paths.

AS200454Toward the internet core
Upstream graph for AS200454: 8 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS200454Tomas Oliveira Va…This networkAS6939Hurricane Electri…AS12186GVVMEAS50666LigaT Telecom Soc…AS18106Viewqwest Pte LtdAS20130Depaul UniversityAS174Cogent Communicat…AS1299Arelion (fka. Tel…AS49600NEAR IP, S.L.

Networks observed one and two hops upstream of AS200454 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

116

adjacent networks

Upstreams
33%
Peers
11196%
Downstreams
22%

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

Upstreams of AS200454
NetworkCountryRelationshipPathsVantage pts
AS12186GVVMEUSPeer37179
AS6939Hurricane Electric LLCUSPeer28073
AS50666LigaT Telecom Sociedade Unipessoal LDAPTPeer7979

Prefixes

The largest blocks AS200454 originates, widest first.

Largest prefixes originated by AS200454
PrefixAddressesVisibility
199.16.240.0/221k79/80
23.147.168.0/2425679/80
131.143.87.0/2425679/80
2602:faa5::/36268M × /6461/62
2a0a:6040:aa00::/4016.8M × /6461/62
2a0f:b241:10::/4865.5k × /6461/62

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