AS56005 Zhengzhou Fastidc Technology Co.,Ltd.

Fastidc - Zhengzhou Fastidc Technology Co.,Ltd. · registered in China

IPv4 addresses66,56010 prefixes · 0.002% of announced IPv4

Rank in China#124largest network in CN by IPv4 space, of 601 · 0.02% of CN

Rank worldwide#2,664of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryChina5,117 ASNs registered there

Open AS56005 in ASN lookup Look up an IP in this network (42.51.0.1) All networks in China

IPv4 prefixes

All 10 prefixes, in address order.

42.51.0.0/17
42.51.128.0/18
42.51.192.0/19
42.51.224.0/20
42.51.240.0/24
42.51.241.0/24
42.51.242.0/23
42.51.244.0/22
42.51.248.0/21
103.22.188.0/22

Similar-sized networks in China

ASNNameIPv4 addresses

AS134771#121 CHINATELECOM-ZHEJIANG-WENZHOU-IDC - WENZHOU, ZHEJIANG Province, P.R.China.67,584

AS137695#122 CHINATELECOM-XINJIANG-WULUMUQI-MAN - CHINATELECOM Xinjiang Wulumuqi MAN network67,072

AS133118#123 UNICOM-CN - China Unicom IP network66,560

AS18239#125 CAPNET - NO.11 Xi San Huan Zhong Road,Beijing65,536

AS24371#126 CNGI-CHC-IX-AS-AP - CERNET2 IX at Jilin University65,536

AS137539#127 UNICOM-Harbin-IDC - China Unicom65,536

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