AS63555 Beijing Beilong Yunhai Network Data Technology Corporation

CNBIDCC - Beijing Beilong Yunhai Network Data Technology Corporation · registered in China

IPv4 addresses3,3289 prefixes · <0.001% of announced IPv4

Rank in China#309largest network in CN by IPv4 space, of 601 · <0.01% of CN

Rank worldwide#17,598of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryChina5,117 ASNs registered there

Open AS63555 in ASN lookup Look up an IP in this network (223.0.1.1) All networks in China

IPv4 prefixes

All 9 prefixes, in address order.

223.0.1.0/24
223.0.2.0/24
223.0.8.0/22
223.0.12.0/23
223.0.15.0/24
223.0.16.0/24
223.0.30.0/24
223.0.41.0/24
223.0.126.0/24

IPv6 prefixes

All 1 prefix.

2400:9580:300::/48

Similar-sized networks in China

ASNNameIPv4 addresses

AS131506#306 LJWL - HEILONGJIANG RADIO & TV NETWORK CO.,LTD3,584

AS133952#307 ZLTL-AS-AP - Zhengzhou longling technology ltd.3,456

AS24406#308 CNNIC-CRITICAL-AP - China Internet Network Infomation Center3,328

AS59011#310 YLWL - Beijing Yunlin Network Technology Co.,Ltd.3,328

AS59045#311 SUNHONGS - Guangzhou navigation information technology co., LTD3,328

AS139148#312 CHINAUNIONPAY - China UnionPay Co., Ltd3,072

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