Network · data from 2026-11-12
AS17940 CYBER LINKS
Registry name: CYBERLINKS - CYBER LINKS Co.,Ltd., JP · PeeringDB
Announced routes
Every prefix a peer of the route collectors sees with origin AS17940, 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.
| 202.13.180.0/23 | No ROA | Other IRR onlyJPIRR | 673 100% |
| 27.116.24.0/21 | No ROA | Other IRR onlyJPIRR, NTTCOM | 671 100% |
| 119.10.160.0/21 | No ROA | Other IRR onlyJPIRR, NTTCOM | 671 100% |
| 218.45.0.0/20 | No ROA | Other IRR onlyJPIRR, NTTCOM | 670 100% |
AS-SET
PeeringDB's irr_as_set for AS17940: AS17940. 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 (AS17940 isn't in the set, or no route object for AS17940 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 | AS17940 in it | Not covered | |
|---|---|---|---|---|---|---|
| AS17940 | A single AS number, not a set: AS17940 (this network), 71 route objects. | |||||
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 75 are in fix.csv.
- ROA: none4
- Route object: RIR4
- Route object: not announced67
| Change | Prefix or set | Detail |
|---|---|---|
| ROA: none | 202.13.180.0/23 | No ROA covers it. Add a ROA for AS17940, maxLength 23. |
| Route object: RIR | 202.13.180.0/23 | Route object only in JPIRR. Add it in the RIR database for the space. |
| ROA: none | 27.116.24.0/21 | No ROA covers it. Add a ROA for AS17940, maxLength 21. |
| Route object: RIR | 27.116.24.0/21 | Route object only in JPIRR, NTTCOM. Add it in the RIR database for the space. |
| ROA: none | 119.10.160.0/21 | No ROA covers it. Add a ROA for AS17940, maxLength 21. |
| Route object: RIR | 119.10.160.0/21 | Route object only in JPIRR, NTTCOM. Add it in the RIR database for the space. |
| ROA: none | 218.45.0.0/20 | No ROA covers it. Add a ROA for AS17940, maxLength 20. |
| Route object: RIR | 218.45.0.0/20 | Route object only in JPIRR, NTTCOM. Add it in the RIR database for the space. |
Route objects not announced
Route objects with origin AS17940 whose prefix no peer sees AS17940 announce. Many are kept on purpose (backup routes, space announced only in some places).
| 27.116.24.0/24 | JPIRR | No ROA |
| 27.116.25.0/24 | JPIRR | No ROA |
| 27.116.26.0/24 | JPIRR | No ROA |
| 27.116.27.0/24 | JPIRR | No ROA |
| 27.116.28.0/24 | JPIRR | No ROA |
| 27.116.29.0/24 | JPIRR | No ROA |
| 27.116.30.0/24 | JPIRR | No ROA |
| 27.116.31.0/24 | JPIRR | No ROA |
| 119.10.160.0/24 | JPIRR | No ROA |
| 119.10.161.0/24 | JPIRR | No ROA |
| 119.10.162.0/24 | JPIRR | No ROA |
| 119.10.163.0/24 | JPIRR | No ROA |
| 119.10.164.0/24 | JPIRR | No ROA |
| 119.10.165.0/24 | JPIRR | No ROA |
| 119.10.166.0/24 | JPIRR | No ROA |
| 119.10.167.0/24 | JPIRR | No ROA |
| 202.13.180.0/24 | JPIRR | No ROA |
| 202.13.181.0/24 | JPIRR | No ROA |
| 218.45.0.0/24 | JPIRR | No ROA |
| 218.45.1.0/24 | JPIRR | No ROA |
| 218.45.2.0/24 | JPIRR | No ROA |
| 218.45.3.0/24 | JPIRR | No ROA |
| 218.45.4.0/24 | JPIRR | No ROA |
| 218.45.5.0/24 | JPIRR | No ROA |
| 218.45.6.0/24 | JPIRR | No ROA |
| 218.45.7.0/24 | JPIRR | No ROA |
| 218.45.8.0/24 | JPIRR | No ROA |
| 218.45.9.0/24 | JPIRR | No ROA |
| 218.45.10.0/24 | JPIRR | No ROA |
| 218.45.11.0/24 | JPIRR | No ROA |
| 218.45.12.0/24 | JPIRR | No ROA |
| 218.45.13.0/24 | JPIRR | No ROA |
| 218.45.14.0/24 | JPIRR | No ROA |
| 218.45.15.0/24 | JPIRR | No ROA |
| 2001:44b0::/32 | JPIRR | No ROA |
| 2001:44b0::/48 | JPIRR | No ROA |
| 2001:44b0:1::/48 | JPIRR | No ROA |
| 2001:44b0:2::/48 | JPIRR | No ROA |
| 2001:44b0:3::/48 | JPIRR | No ROA |
| 2001:44b0:4::/48 | JPIRR | No ROA |
| 2001:44b0:5::/48 | JPIRR | No ROA |
| 2001:44b0:6::/48 | JPIRR | No ROA |
| 2001:44b0:7::/48 | JPIRR | No ROA |
| 2001:44b0:8::/48 | JPIRR | No ROA |
| 2001:44b0:9::/48 | JPIRR | No ROA |
| 2001:44b0:a::/48 | JPIRR | No ROA |
| 2001:44b0:b::/48 | JPIRR | No ROA |
| 2001:44b0:c::/48 | JPIRR | No ROA |
| 2001:44b0:d::/48 | JPIRR | No ROA |
| 2001:44b0:e::/48 | JPIRR | No ROA |
| 2001:44b0:f::/48 | JPIRR | No ROA |
| 2001:44b0:10::/48 | JPIRR | No ROA |
| 2001:44b0:11::/48 | JPIRR | No ROA |
| 2001:44b0:12::/48 | JPIRR | No ROA |
| 2001:44b0:13::/48 | JPIRR | No ROA |
| 2001:44b0:14::/48 | JPIRR | No ROA |
| 2001:44b0:15::/48 | JPIRR | No ROA |
| 2001:44b0:16::/48 | JPIRR | No ROA |
| 2001:44b0:17::/48 | JPIRR | No ROA |
| 2001:44b0:18::/48 | JPIRR | No ROA |
| 2001:44b0:29::/48 | JPIRR | No ROA |
| 2001:44b0:bb::/48 | JPIRR | No ROA |
| 2001:44b0:128::/48 | JPIRR | No ROA |
| 2001:44b0:318::/48 | JPIRR | No ROA |
| 2001:44b0:929::/48 | JPIRR | No ROA |
| 2001:44b0:2929::/48 | JPIRR | No ROA |
| 2001:44b0:beef::/48 | JPIRR | No ROA |
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.