AS19523FlexNetworks
CanadaRegistryARINAt a glance
IPv4 prefixes
35
IPv6 prefixes
7
IPv4 addresses
20.7k
IPv6 /64s
8.9B
Upstream graph
The networks AS19523 is seen behind, one and two hops out, drawn from real AS paths.
AS19523Toward the internet core
Networks observed one and two hops upstream of AS19523 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
67
adjacent networks
- Upstreams
- 812%
- Peers
- 4060%
- Downstreams
- 1928%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS6939Hurricane Electric LLC |  US | Peer | 4,380 | 119 |
| AS174Cogent Communications, LLC | US | Peer | 1,022 | 22 |
| AS3130RGnet OU |  EE | Peer | 108 | 1 |
| AS18106Viewqwest Pte Ltd |  SG | Peer | 108 | 1 |
| AS49544i3D.net B.V |  NL | Peer | 77 | 2 |
| AS58511Swoop (Anycast Global Backbone) |  AU | Peer | 73 | 2 |
| AS9002RETN Limited |  GB | Peer | 68 | 2 |
| AS22652Videotron Ltee | CA | Peer | 57 | 1 |
Prefixes
All 42The largest blocks AS19523 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 64.203.64.0/20 | 4.1k | 80/80 |
| 64.203.64.0/21 | 2k | 80/80 |
| 64.203.72.0/21 | 2k | 80/80 |
| 64.203.80.0/21 | 2k | 80/80 |
| 64.203.88.0/21 | 2k | 80/80 |
| 64.72.196.0/23 | 512 | 80/80 |
| 104.167.252.0/23 | 512 | 80/80 |
| 198.163.118.0/23 | 512 | 80/80 |
| 23.146.32.0/24 | 256 | 80/80 |
| 64.72.198.0/24 | 256 | 80/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.