AS18042
Koos Broadband Telecom — kbtelecom.net
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Summary
| Country |
 Taiwan
|
| Organization | Koos Broadband Telecom |
| Domain | kbtelecom.net |
| Number of IPv4 | 155,904 |
| Number of IPv6 | 7.9228× 1028 |
| AS Type | ISP |
| Registry | APNIC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | November 06, 2025 (about 6 days ago) |
IP Ranges
AS18042 announces 7 IPv4 ranges and 1 IPv6 range.
That's a total of 155,904 IPv4 addresses and 7.9228× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 58.86.0.0/16 |
Koos Broadband Telecom Co., LTD
|
65,536 | APNIC | ALLOCATED PORTABLE |
| 61.63.0.0/19 |
Kbt Co., LTD
|
8,192 | TWNIC | ASSIGNED NON-PORTABLE |
| 61.63.32.0/19 |
Kbt Co., LTD
|
8,192 | TWNIC | ASSIGNED NON-PORTABLE |
| 61.63.64.0/19 |
Kbt Co., LTD
|
8,192 | TWNIC | ASSIGNED NON-PORTABLE |
| 61.67.128.0/17 |
Koos Broadband Telecom Co., LTD
|
32,768 | APNIC | ALLOCATED PORTABLE |
| 103.123.188.0/24 |
China Life Insurance Co., LTD
|
256 | APNIC | ALLOCATED PORTABLE |
| 219.69.128.0/17 |
Hoshin Multimedia Center Inc.
|
32,768 | APNIC | ALLOCATED PORTABLE |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2400:df40::/32 |
Cns Kbt Co., LTD
|
7.9228× 1028 | APNIC | ALLOCATED PORTABLE |
Peers
AS18042 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
Upstreams
AS18042 connects to the global Internet via at least 3 upstream providers. In this setup, AS18042 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS18042 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS18042's role in extending Internet access beyond its own infrastructure.