SUBNET.IM

AS21506Fundação Universidade de Brasília

BrazilRegistryLACNIC

At a glance

IPv4 prefixes

1

IPv6 prefixes

1

IPv4 addresses

65.5k

IPv6 /64s

65.5k

Upstream graph

The networks AS21506 is seen behind, one and two hops out, drawn from real AS paths.

AS21506Toward the internet core
Upstream graph for AS21506: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS21506Fundação Universi…This networkAS1916RNP - Rede Nacion…AS174Cogent Communicat…AS2914NTT America, Inc.

Networks observed one and two hops upstream of AS21506 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

2

adjacent networks

Upstreams
150%
Peers
150%
Downstreams
00%

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

Upstreams of AS21506
NetworkCountryRelationshipPathsVantage pts
AS1916RNP - Rede Nacional de Ensino e PesquisaBRPeer141141

Prefixes

The largest blocks AS21506 originates, widest first.

Largest prefixes originated by AS21506
PrefixAddressesVisibility
164.41.0.0/1665.5k79/80
2801:80:b90::/4865.5k × /6462/62

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