Autonomous system profile

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

AS9924

Announcement observedAPNIC

TFN-TW - Taiwan Fixed Network, Telco and Network Service Provider. · TFN-TW

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

Last active10/15/2026, 11:21:12Snapshot expired

View network topology RDAP registration

ASN: AS9924
Registration country: Taiwan
Name: TFN-TW - Taiwan Fixed Network, Telco and Network Service Provider.
Abbreviation: TFN-TW
Registration date: 9/4/2008, 06:40:30
Status: Announcement observed
RIR: APNIC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
103.123.188.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
103.123.188.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
103.123.190.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
103.123.191.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/30/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Historical record
103.129.176.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
103.129.176.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
103.129.178.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
103.224.132.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
103.224.135.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.10.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.10.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.10.128.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.108.128.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.108.128.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.108.128.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.108.129.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.108.132.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.108.133.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.108.134.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.108.135.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.108.142.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.108.144.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.108.146.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.108.147.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.108.160.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.108.160.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.108.168.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.108.169.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.108.170.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.108.171.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.108.176.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.108.176.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.11.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.11.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.11.128.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.12.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.12.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.12.128.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.8.0.0/14BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.8.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.8.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.8.128.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.9.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.9.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.9.128.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.9.32.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.9.56.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.9.56.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.9.60.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
124.9.61.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: TFN-TW - Taiwan Fixed Network, Telco and Network Service Provider.
RIR: APNIC
Registration country: Taiwan
Registration date: 9/4/2008, 06:40:30
Abuse contact: nickchang@taiwanmobile.com

Snapshot trend

10/15/2026, 11:21:12624 v410 v628 Upstream · 18 Uncertain

10/11/2026, 08:25:52624 v410 v627 Upstream · 18 Uncertain

10/10/2026, 04:58:03624 v410 v627 Upstream · 19 Uncertain

10/7/2026, 14:01:11625 v410 v627 Upstream · 18 Uncertain

10/1/2026, 08:58:35625 v410 v625 Upstream · 19 Uncertain

9/30/2026, 01:07:38624 v410 v626 Upstream · 19 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