AS131149 Yuan-Jhen Info., Co., Ltd

YUANJHEN-AS-TW - Yuan-Jhen Info., Co., Ltd · registered in Taiwan

IPv4 addresses6,6566 prefixes · <0.001% of announced IPv4

Rank in Taiwan#74largest network in TW by IPv4 space, of 237 · 0.02% of TW

Rank worldwide#11,797of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)2 prefixes

CountryTaiwan288 ASNs registered there

Open AS131149 in ASN lookup Look up an IP in this network (43.254.16.1) All networks in Taiwan

IPv4 prefixes

All 6 prefixes, in address order.

43.254.16.0/22
103.1.220.0/22
103.17.8.0/22
103.123.192.0/21
103.129.168.0/23
202.12.76.0/22

IPv6 prefixes

All 2 prefixes.

2407:7100::/33
2407:7100:8000::/33

Similar-sized networks in Taiwan

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AS24155#72 APBW-AS-TW - Asia Pacific Broadband Wireless Communications Inc7,168

AS7483#73 SKYCLOUD-NET - Skycloud Computing co., Ltd.6,912

AS17710#75 PIINET-TW - President Information Corp.6,144

AS18180#76 TWNIC-AS - Taiwan Network Information Center5,888

AS18183#77 NCREE - National Center for Research on Earthquake Engineering5,632

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