AS18042 Koos Broadband Telecom
AS18042 is operated by Koos Broadband Telecom and registered with APNIC (TW) since 2001-11-09.
It announces 6 IPv4 and 1 IPv6 prefixes, 100% of them RPKI valid.
RIPE RIS sees 1 upstream and peer networks and 2 downstream networks next to it.
PeeringDB lists it as a Cable/DSL/ISP network at 1 internet exchange. Its peering policy is open.
| Name | Koos Broadband Telecom |
|---|---|
| Registry handle | KBT |
| Registry (RIR) | APNIC |
| Country | Taiwan (TW) |
| Delegated on | 2001-11-09 |
| Network type | Cable/DSL/ISP, Not Disclosed |
| Peering policy | Open |
| IRR as-set | AS-CNSKBT |
| Prefixes (IPv4 / IPv6) | 6 / 1 |
| RPKI valid | 100% (7 / 7) |
| Upstreams and peers | 1 |
| Downstream networks | 2 |
| Website | homeplus.net.tw/index.html |
Routing health
- AS18042 announces 6 IPv4 and 1 IPv6 prefixes.
- All 7 announced prefixes are RPKI valid.
- One upstream or peer seen (AS9416): an outage there takes the whole network off the internet.
For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.
Announced prefixes 7
- 58.86.0.0/16
- 61.63.0.0/19
- 61.63.32.0/19
- 61.63.64.0/19
- 61.67.128.0/17
- 103.123.188.0/24
- 2400:df40::/32
Upstreams and peers 1
The networks RIPE RIS sees next to AS18042 in BGP paths, the most visible first.
Peering
Peering policy: Open. Suggested max-prefix limits: 0 IPv4, 0 IPv6. PeeringDB record
| Exchange | Ports | Speed | Route server |
|---|---|---|---|
| TWIX | 1 | 10G | No |
More about AS18042
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-15 13:15 UTC. The country is where the AS number was registered, not necessarily where the network operates.