AS131591 Ambit Microsystem Corporation

AMBIT-AS-TW - Ambit Microsystem Corporation · registered in Taiwan

IPv4 addresses127,4886 prefixes · 0.004% of announced IPv4

Rank in Taiwan#22largest network in TW by IPv4 space, of 237 · 0.38% of TW

Rank worldwide#1,643of 79,396 networks with IPv4

IPv64,095 x /4812 prefixes

CountryTaiwan288 ASNs registered there

Open AS131591 in ASN lookup Look up an IP in this network (101.138.0.1) All networks in Taiwan

IPv4 prefixes

All 6 prefixes, in address order.

101.138.0.0/16
101.139.16.0/20
101.139.32.0/19
101.139.64.0/18
101.139.128.0/17
203.79.206.0/23

IPv6 prefixes

All 12 prefixes.

2404:0:8000::/37
2404:0:8800::/39
2404:0:8a01::/48
2404:0:8a02::/47
2404:0:8a04::/46
2404:0:8a08::/45
2404:0:8a10::/44
2404:0:8a20::/43
2404:0:8a40::/42
2404:0:8a80::/41
2404:0:8b00::/40
2404:0:8c00::/38

Similar-sized networks in Taiwan

ASNNameIPv4 addresses

AS17809#19 VEETIME-TW-AP - VEE TIME CORP.180,224

AS18046#20 DONGFONG-TW - DongFong Technology Co. Ltd.155,904

AS131627#21 Peicity-AS-TW - Peicity Digital Cable Television., LTD134,912

AS18042#23 KBT - Koos Broadband Telecom123,136

AS18419#24 DADA-AS-TW - DaDa Broadband LTD.116,736

AS24154#25 APBT-AS-TW - Asia Pacific Broadband Fixed Lines Co., Ltd.98,816

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources