Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS18042

Announcement observedAPNIC

KBT - Koos Broadband Telecom · KBT

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active9/30/2026, 21:25:53Snapshot expired

View network topology RDAP registration

ASN: AS18042
Registration country: Taiwan
Name: KBT - Koos Broadband Telecom
Abbreviation: KBT
Registration date: 9/4/2008, 06:40:32
Status: Announcement observed
RIR: APNIC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
103.123.188.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	9/30/2026, 16:00:00	✓	×	Currently valid
58.86.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	9/30/2026, 16:00:00	✓	×	Currently valid
61.63.0.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	9/30/2026, 16:00:00	✓	×	Currently valid
61.63.32.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	9/30/2026, 16:00:00	✓	×	Currently valid
61.63.64.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	9/30/2026, 16:00:00	✓	×	Currently valid
61.67.128.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	9/30/2026, 16:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: KBT - Koos Broadband Telecom
RIR: APNIC
Registration country: Taiwan
Registration date: 9/4/2008, 06:40:32
Abuse contact: jacky.ni@homeplus.net.tw

Snapshot trend

9/30/2026, 21:25:536 v41 v61 Upstream · 1 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap