AS17958Kasaoka Cable Vision Co,LTD.
JapanRegistryAPNICTypeEyeballAt a glance
IPv4 prefixes
7
IPv6 prefixes
1
IPv4 addresses
21.5k
IPv6 /64s
4.3B
Upstream graph
The networks AS17958 is seen behind, one and two hops out, drawn from real AS paths.
AS17958Toward the internet core
Networks observed one and two hops upstream of AS17958 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
44
adjacent networks
- Upstreams
- 1227%
- Peers
- 3170%
- Downstreams
- 12%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS2497Internet Initiative Japan Inc. | JP | Peer | 390 | 70 |
| AS2519ARTERIA Networks Corporation | JP | Peer | 87 | 19 |
| AS2914NTT America, Inc. |  US | Peer | 63 | 27 |
| AS6939Hurricane Electric LLC | US | Peer | 31 | 13 |
| AS18106Viewqwest Pte Ltd |  SG | Peer | 14 | 2 |
| AS8220COLT |  GB | Peer | 8 | 2 |
| AS49544i3D.net B.V |  NL | Peer | 8 | 2 |
| AS9002RETN Limited | GB | Peer | 8 | 2 |
| AS23764China Telecom Global |  HK | Peer | 7 | 1 |
| AS4775Globe Telecoms |  PH | Peer | 7 | 1 |
Prefixes
The largest blocks AS17958 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 133.226.160.0/20 | 4.1k | 79/80 |
| 157.112.160.0/20 | 4.1k | 79/80 |
| 218.40.96.0/20 | 4.1k | 79/80 |
| 219.103.48.0/20 | 4.1k | 79/80 |
| 180.178.80.0/21 | 2k | 79/80 |
| 220.247.184.0/21 | 2k | 79/80 |
| 103.2.96.0/22 | 1k | 79/80 |
| 2401:a240::/32 | 4.3B × /64 | 61/62 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.