AS18042 — KBT Koos Broadband Telecom

AS18042 announces 5 IPv4 prefixes covering 123,136 addresses and 1 IPv6 prefixes.

About this network

The AS handle KBT Koos Broadband Telecom is held by Koos Broadband Telecom.

What it's used for

• The address space carries residential broadband traffic, evidenced by reverse DNS entries such as 58.86-127-host255.kbtelecom.net.tw and 61-67-191-host255.kbtelecom.net.tw.
• The network announces 123,136 IPv4 addresses across 5 prefixes and 1 IPv6 prefix, with only 3 observed neighbours, indicating an access or eyeball network role rather than transit.

Notable

• Registrants include IRT-KBT-TW for the KBT-NET netnames and TWNIC Whois Administrator for TWNIC-TW blocks, with one prefix registered to IRT-CHINALIFE-TW under the CHINALIFE-NET netname.
• The inventory consists of a mix of /16, /17, /18, /19, and /24 prefixes, with the largest block being 58.86.0.0/16.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 58.86.0.0/16
• 61.63.0.0/18
• 61.63.64.0/19
• 61.67.128.0/17
• 103.123.188.0/24
• 2400:df40::/32

Upstream networks

• AS9416 Hoshin Multimedia Center Inc.

Downstream networks

• AS63894 Super Micro Computer, Inc.

Adjacent networks

• AS9416 Hoshin Multimedia Center Inc.
• AS63894 Super Micro Computer, Inc.