AS17958
Kasaoka Cable Vision Co,LTD.
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 6 internet exchanges: JPIX TOKYO, JPIX OSAKA, BBIX Osaka, JPNAP Tokyo: Peering, JPNAP Osaka, BBIX Tokyo
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 133.226.160.0/20 | 4.1K |
93.1%
|
Kasaoka Cable Vision Co,LTD. | JP | — | — |
| 157.112.160.0/20 | 4.1K |
99.0%
|
Kasaoka Cable Vision Co,LTD. | JP | Okayama | Kasaoka Shi |
| 218.40.96.0/20 | 4.1K |
88.6%
|
Kasaoka Cable Vision Co,LTD. | JP | Okayama | Asakuchi Shi |
| 219.103.48.0/20 | 4.1K |
84.8%
|
Kasaoka Cable Vision Co,LTD. | JP | Okayama | Kasaoka Shi |
| 180.178.80.0/21 | 2.0K |
98.3%
|
Kasaoka Cable Vision Co,LTD. | JP | Okayama | Kasaoka Shi |
| 220.247.184.0/21 | 2.0K |
95.4%
|
Kasaoka Cable Vision Co,LTD. | JP | Okayama | Asakuchi Shi |
| 103.2.96.0/22 | 1.0K |
91.4%
|
Kasaoka Cable Vision Co,LTD. | JP | Okayama | Kasaoka Shi |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS17958 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 218.40.96.0/20 | 5,146 | 2026-07-29 21:15:08 |
| 219.103.48.0/20 | 5,100 | 2026-07-29 21:05:05 |
| 220.247.184.0/21 | 5,090 | 2026-07-29 21:15:16 |
| 180.178.80.0/21 | 5,003 | 2026-07-29 21:14:38 |
| 157.112.160.0/20 | 4,998 | 2026-07-29 21:15:03 |
| 133.226.160.0/20 | 4,993 | 2026-07-29 21:05:05 |
| 103.2.96.0/22 | 4,946 | 2026-07-29 21:14:38 |
| 220.247.186.0/24 | 3,090 | 2026-05-29 16:04:47 |
| 157.112.169.0/24 | 1,639 | 2026-07-15 15:41:11 |
| 157.112.162.0/24 | 1,623 | 2026-07-09 14:58:19 |
| 220.247.184.0/24 | 1,507 | 2026-06-10 23:54:33 |
Frequently Asked Questions
What is AS17958?
AS17958 is an Autonomous System Number assigned to Kasaoka Cable Vision Co,LTD.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS17958 announce?
AS17958 announces 21.5K IPv4 addresses distributed across 7 routed CIDR prefixes. The network is registered in Japan.
Who operates AS17958?
AS17958 is operated by Kasaoka Cable Vision Co,LTD.. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS17958 registered in?
AS17958 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
