Autonomous system profile

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

AS131591

Announcement observedAPNIC

AMBIT-AS-TW - Ambit Microsystem Corporation · AMBIT-AS-TW

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

Last active10/6/2026, 15:43:57Snapshot expired

View network topology RDAP registration

ASN: AS131591
Registration country: Taiwan
Name: AMBIT-AS-TW - Ambit Microsystem Corporation
Abbreviation: AMBIT-AS-TW
Registration date: 5/6/2015, 04:26:09
Status: Announcement observed
RIR: APNIC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
101.138.0.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.138.112.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.138.128.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.138.144.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.138.16.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.138.160.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.138.176.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.138.192.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.138.208.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.138.224.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.138.240.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.138.32.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.138.48.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.138.64.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.138.80.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.138.96.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.139.112.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.139.128.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.139.144.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.139.16.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.139.160.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.139.176.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.139.192.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.139.208.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.139.224.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.139.240.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.139.32.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.139.48.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.139.64.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.139.80.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
101.139.96.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
203.79.206.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
203.79.207.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: AMBIT-AS-TW - Ambit Microsystem Corporation
RIR: APNIC
Registration country: Taiwan
Registration date: 5/6/2015, 04:26:09
Abuse contact: davidlin1@fareastone.com.tw

Snapshot trend

10/6/2026, 15:43:5733 v41 v61 Upstream · 0 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