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AS137731 Guangdong Huayun Century Technology Co., Ltd.

Huayun - Guangdong Huayun Century Technology Co., Ltd. · registered in China

IPv4 addresses1,0242 prefixes · <0.001% of announced IPv4
Rank in China#413largest network in CN by IPv4 space, of 601 · <0.01% of CN
Rank worldwide#39,133of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryChina5,117 ASNs registered there

IPv4 prefixes

All 2 prefixes, in address order.

  • 103.62.88.0/23
  • 138.252.72.0/23

Similar-sized networks in China

ASNNameIPv4 addresses
AS131578#410 BFSUNET - Beijing Foreign Studies University1,024
AS133219#411 NEWMEDIAEXPRESSCHINA-AS-AP - NewMedia Express Pte Ltd1,024
AS137571#412 PESYUN-AS-AP - arebz.com1,024
AS137745#414 AS137745-37 - China Internet Network Information Center1,024
AS137785#415 Cacloud - CACloud Services (Shanghai) Co., Ltd.1,024
AS137787#416 Newcampus4-lenovo - Beijing Jingdong Shangke Information Technology Co. Ltd.1,024

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