Network · data from 2026-11-12
AS17958 Kasaoka Cable Vision LIMITED
Registry name: KCV - Kasaoka Cable Vision Co,LTD., JP · PeeringDB
Announced routes
Every prefix a peer of the route collectors sees with origin AS17958, things to look at first. Visibility = full-table peers that see it, of 673 (IPv4) and 636 (IPv6) on 75 collectors. Also as routes.csv.
| 133.226.160.0/20 | Valid | Other IRR onlyJPIRR, RADB | 672 100% |
| 157.112.160.0/20 | Valid | Other IRR onlyJPIRR, RADB | 672 100% |
| 180.178.80.0/21 | Valid | Other IRR onlyJPIRR, RADB | 672 100% |
| 219.103.48.0/20 | Valid | Other IRR onlyJPIRR, RADB | 672 100% |
| 220.247.184.0/21 | Valid | Other IRR onlyJPIRR, RADB | 672 100% |
| 218.40.96.0/20 | Valid | Other IRR onlyJPIRR, RADB | 671 100% |
| 103.2.96.0/22 | Valid | Other IRR onlyJPIRR, RADB | 670 100% |
| 2401:a240::/32 | Valid | Other IRR onlyJPIRR, RADB | 635 100% |
AS-SET
PeeringDB's irr_as_set for AS17958: AS-17958. Expanded from the day's IRR dumps the way bgpq4 does against whois.radb.net: a name with a database is read from that database only, one without from the first database in RADB's order. "Not covered" = this network's own routes that a filter built from the set would leave out (AS17958 isn't in the set, or no route object for AS17958 covers the route; more-specifics of a route object are accepted down to /24 and /48, as with bgpq4 -A -R 24 / -R 48). Customers' routes aren't counted: the collectors show each route's origin, not which network it came through.
| Name | Database | ASNs | Sets | AS17958 in it | Not covered |
|---|---|---|---|---|---|
| AS-17958 | RADB | 2 | 1 | Yes | 0 |
| JPIRR (also) | 2 | 1 | Yes | 0 | |
| NTTCOM (also) | 2 | 1 | Yes | 0 |
Fix list
The changes that would bring RPKI, the IRR and what's announced into line. Some are deliberate (a route object kept for a backup route, say); the network decides. All 92 are in fix.csv.
- Route object: RIR8
- Route object: not announced84
| Change | Prefix or set | Detail |
|---|---|---|
| Route object: RIR | 133.226.160.0/20 | Route object only in JPIRR, RADB. Add it in the RIR database for the space. |
| Route object: RIR | 157.112.160.0/20 | Route object only in JPIRR, RADB. Add it in the RIR database for the space. |
| Route object: RIR | 180.178.80.0/21 | Route object only in JPIRR, RADB. Add it in the RIR database for the space. |
| Route object: RIR | 219.103.48.0/20 | Route object only in JPIRR, RADB. Add it in the RIR database for the space. |
| Route object: RIR | 220.247.184.0/21 | Route object only in JPIRR, RADB. Add it in the RIR database for the space. |
| Route object: RIR | 218.40.96.0/20 | Route object only in JPIRR, RADB. Add it in the RIR database for the space. |
| Route object: RIR | 103.2.96.0/22 | Route object only in JPIRR, RADB. Add it in the RIR database for the space. |
| Route object: RIR | 2401:a240::/32 | Route object only in JPIRR, RADB. Add it in the RIR database for the space. |
Route objects not announced
Route objects with origin AS17958 whose prefix no peer sees AS17958 announce. Many are kept on purpose (backup routes, space announced only in some places).
| 103.2.96.0/24 | JPIRR, RADB | Valid |
| 103.2.97.0/24 | JPIRR, RADB | Valid |
| 103.2.98.0/24 | JPIRR, RADB | Valid |
| 103.2.99.0/24 | JPIRR, RADB | Valid |
| 133.226.160.0/24 | JPIRR | Invalid: maxLength |
| 133.226.161.0/24 | JPIRR | Invalid: maxLength |
| 133.226.162.0/24 | JPIRR | Invalid: maxLength |
| 133.226.163.0/24 | JPIRR | Invalid: maxLength |
| 133.226.164.0/24 | JPIRR | Invalid: maxLength |
| 133.226.165.0/24 | JPIRR | Invalid: maxLength |
| 133.226.166.0/24 | JPIRR | Invalid: maxLength |
| 133.226.167.0/24 | JPIRR | Invalid: maxLength |
| 133.226.168.0/24 | JPIRR | Invalid: maxLength |
| 133.226.169.0/24 | JPIRR | Invalid: maxLength |
| 133.226.170.0/24 | JPIRR | Invalid: maxLength |
| 133.226.171.0/24 | JPIRR | Invalid: maxLength |
| 133.226.172.0/24 | JPIRR | Invalid: maxLength |
| 133.226.173.0/24 | JPIRR | Invalid: maxLength |
| 133.226.174.0/24 | JPIRR | Invalid: maxLength |
| 133.226.175.0/24 | JPIRR | Invalid: maxLength |
| 157.112.160.0/24 | JPIRR, RADB | Valid |
| 157.112.161.0/24 | JPIRR, RADB | Valid |
| 157.112.162.0/24 | JPIRR, RADB | Valid |
| 157.112.163.0/24 | JPIRR, RADB | Valid |
| 157.112.164.0/24 | JPIRR, RADB | Valid |
| 157.112.165.0/24 | JPIRR, RADB | Valid |
| 157.112.166.0/24 | JPIRR, RADB | Valid |
| 157.112.167.0/24 | JPIRR, RADB | Valid |
| 157.112.168.0/24 | JPIRR, RADB | Valid |
| 157.112.169.0/24 | JPIRR, RADB | Valid |
| 157.112.170.0/24 | JPIRR, RADB | Valid |
| 157.112.171.0/24 | JPIRR, RADB | Valid |
| 157.112.172.0/24 | JPIRR, RADB | Valid |
| 157.112.173.0/24 | JPIRR, RADB | Valid |
| 157.112.174.0/24 | JPIRR, RADB | Valid |
| 157.112.175.0/24 | JPIRR, RADB | Valid |
| 180.178.80.0/24 | JPIRR, RADB | Valid |
| 180.178.81.0/24 | JPIRR, RADB | Valid |
| 180.178.82.0/24 | JPIRR, RADB | Valid |
| 180.178.83.0/24 | JPIRR, RADB | Valid |
| 180.178.84.0/24 | JPIRR, RADB | Valid |
| 180.178.85.0/24 | JPIRR, RADB | Valid |
| 180.178.86.0/24 | JPIRR, RADB | Valid |
| 180.178.87.0/24 | JPIRR, RADB | Valid |
| 218.40.96.0/24 | JPIRR, RADB | Valid |
| 218.40.97.0/24 | JPIRR, RADB | Valid |
| 218.40.98.0/24 | JPIRR, RADB | Valid |
| 218.40.99.0/24 | JPIRR, RADB | Valid |
| 218.40.100.0/24 | JPIRR, RADB | Valid |
| 218.40.101.0/24 | JPIRR, RADB | Valid |
| 218.40.102.0/24 | JPIRR, RADB | Valid |
| 218.40.103.0/24 | JPIRR, RADB | Valid |
| 218.40.104.0/24 | JPIRR, RADB | Valid |
| 218.40.105.0/24 | JPIRR, RADB | Valid |
| 218.40.106.0/24 | JPIRR, RADB | Valid |
| 218.40.107.0/24 | JPIRR, RADB | Valid |
| 218.40.108.0/24 | JPIRR, RADB | Valid |
| 218.40.109.0/24 | JPIRR, RADB | Valid |
| 218.40.110.0/24 | JPIRR, RADB | Valid |
| 218.40.111.0/24 | JPIRR, RADB | Valid |
| 219.103.48.0/24 | JPIRR, RADB | Valid |
| 219.103.49.0/24 | JPIRR, RADB | Valid |
| 219.103.50.0/24 | JPIRR | Valid |
| 219.103.51.0/24 | JPIRR, RADB | Valid |
| 219.103.52.0/24 | JPIRR, RADB | Valid |
| 219.103.53.0/24 | JPIRR, RADB | Valid |
| 219.103.54.0/24 | JPIRR, RADB | Valid |
| 219.103.55.0/24 | JPIRR, RADB | Valid |
| 219.103.56.0/24 | JPIRR, RADB | Valid |
| 219.103.57.0/24 | JPIRR, RADB | Valid |
| 219.103.58.0/24 | JPIRR, RADB | Valid |
| 219.103.59.0/24 | JPIRR, RADB | Valid |
| 219.103.60.0/24 | JPIRR, RADB | Valid |
| 219.103.61.0/24 | JPIRR, RADB | Valid |
| 219.103.62.0/24 | JPIRR, RADB | Valid |
| 219.103.63.0/24 | JPIRR, RADB | Valid |
| 220.247.184.0/24 | JPIRR, RADB | Valid |
| 220.247.185.0/24 | JPIRR, RADB | Valid |
| 220.247.186.0/24 | JPIRR, RADB | Valid |
| 220.247.187.0/24 | JPIRR, RADB | Valid |
| 220.247.188.0/24 | JPIRR, RADB | Valid |
| 220.247.189.0/24 | JPIRR, RADB | Valid |
| 220.247.190.0/24 | JPIRR, RADB | Valid |
| 220.247.191.0/24 | JPIRR, RADB | Valid |
Routes: the 08:00 UTC snapshots of 2026-11-12 from 75 RIPE RIS and RouteViews collectors. RPKI: our rpki-client run before the snapshot. IRR: the day's dumps of the five RIR databases and RADB's mirrors. The LEVEL3 and IDNIC databases publish no dump and aren't read, so route objects only there count as none.