AS210634 YSTRONTEK-NETWORKS Suzhou Yesong Information Technology Co., Ltd.

YSTRONTEK-NETWORKS Suzhou Yesong Information Technology Co., Ltd. · registered in China

IPv4 addresses7683 prefixes · <0.001% of announced IPv4

Rank in China#442largest network in CN by IPv4 space, of 601 · <0.01% of CN

Rank worldwide#45,646of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryChina5,117 ASNs registered there

Open AS210634 in ASN lookup Look up an IP in this network (31.57.10.1) All networks in China

IPv4 prefixes

All 3 prefixes, in address order.

31.57.10.0/24
154.19.43.0/24
155.117.188.0/24

Other ASNs named YSTRONTEK-NETWORKS Suzhou Yesong Information Technology Co., Ltd.

1 other network uses the same organisation name; together with AS210634 they announce 1,280 IPv4 addresses.

ASNNameIPv4 addresses

AS213404YstronTek-Networks Suzhou Yesong Information Technology Co., Ltd. CN512

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AS140330#443 CHINATELECOM-FUJIAN-XIAMEN-5G-NETWORK - CHINATELECOM Fujian province Xiamen 5G network512

AS136197#444 CHINATELECOM-HEBEI-XIONGAN - Xiong'an, Hebei Province, P.R.China.512

AS9818#445 IFLAB - Internet Finance Laboratory512

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