SUBNET.IM

AS400487Toronto Public Library Board

CanadaRegistryARIN

At a glance

IPv4 prefixes

7

IPv6 prefixes

0

IPv4 addresses

9.2k

IPv6 /64s

0

Upstream graph

The networks AS400487 is seen behind, one and two hops out, drawn from real AS paths.

AS400487Toward the internet core
Upstream graph for AS400487: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS400487Toronto Public Li…This networkAS21949Beanfield Technol…AS1299Arelion (fka. Tel…AS2914NTT America, Inc.

Networks observed one and two hops upstream of AS400487 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 AS400487
NetworkCountryRelationshipPathsVantage pts
AS21949Beanfield Technologies Inc.CAPeer55780

Prefixes

The largest blocks AS400487 originates, widest first.

Largest prefixes originated by AS400487
PrefixAddressesVisibility
205.189.176.0/204.1k79/80
205.189.168.0/212k80/80
199.71.64.0/221k79/80
205.189.192.0/221k80/80
205.189.94.0/2351279/80
192.30.202.0/2425680/80
192.30.226.0/2425680/80

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