AS131617 Centroid Networking Co., Ltd. desc: 7F.-3, NO.119, SEC. 2, MINSHENG E. RD., ZHONGSHAN DIST.,

CENTROID-NET - Centroid Networking Co., Ltd. desc: 7F.-3, NO.119, SEC. 2, MINSHENG E. RD., ZHONGSHAN DIST., · registered in Taiwan

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in Taiwan#193largest network in TW by IPv4 space, of 237 · <0.01% of TW

Rank worldwide#53,187of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryTaiwan288 ASNs registered there

Open AS131617 in ASN lookup Look up an IP in this network (103.104.148.1) All networks in Taiwan

IPv4 prefixes

All 1 prefix, in address order.

103.104.148.0/23

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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