AS4783 SYSTEX CORPORATION

SYSNET-AS1 - SYSTEX CORPORATION · registered in Taiwan

IPv4 addresses40,9604 prefixes · 0.001% of announced IPv4

Rank in Taiwan#45largest network in TW by IPv4 space, of 237 · 0.12% of TW

Rank worldwide#4,285of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryTaiwan288 ASNs registered there

Open AS4783 in ASN lookup Look up an IP in this network (202.39.96.1) All networks in Taiwan

IPv4 prefixes

All 4 prefixes, in address order.

202.39.96.0/20
210.63.0.0/18
210.67.0.0/18
210.67.112.0/20

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AS18429#42 EXTRALAN-TW - Extra-Lan Technologies Co., LTD43,008

AS131584#43 TAIFO-AS-TW - Taiwan Intelligent Fiber Optic Network Co.,Ltd.41,472

AS131628#44 taifucloud-as-tw - Tai-Fu Cloud Co., Ltd.41,472

AS131607#46 DCTV-AS-TW - Digidom CableTV Co., LTD.38,144

AS18043#47 HCCG-AS - Department of Education, Hsinchu City35,584

AS38845#48 FJU-AS-TW - Fu Jen Catholic University32,768

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