SUBNET.IM

AS21992Ontario Health

CanadaRegistryARIN

At a glance

IPv4 prefixes

8

IPv6 prefixes

0

IPv4 addresses

32k

IPv6 /64s

0

Upstream graph

The networks AS21992 is seen behind, one and two hops out, drawn from real AS paths.

AS21992Toward the internet core
Upstream graph for AS21992: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS21992Ontario HealthThis networkAS19752Hydro One Telecom…AS174Cogent Communicat…AS3356Lumen (Level 3)

Networks observed one and two hops upstream of AS21992 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 AS21992
NetworkCountryRelationshipPathsVantage pts
AS19752Hydro One Telecom Inc.CAPeer1,26580

Prefixes

The largest blocks AS21992 originates, widest first.

Largest prefixes originated by AS21992
PrefixAddressesVisibility
76.75.128.0/198.2k79/80
76.75.160.0/198.2k79/80
69.42.176.0/204.1k79/80
76.75.144.0/204.1k79/80
76.75.176.0/204.1k79/80
69.42.184.0/212k79/80
205.210.180.0/221k80/80
199.212.118.0/2425679/80

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