AS139183 Thomson Reuters (Beijing) Technology Development Co. Ltd

TRLCNET - Thomson Reuters (Beijing) Technology Development Co. Ltd · registered in China

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in China#588largest network in CN by IPv4 space, of 601 · <0.01% of CN

Rank worldwide#70,873of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryChina5,117 ASNs registered there

Open AS139183 in ASN lookup Look up an IP in this network (42.194.12.1) All networks in China

IPv4 prefixes

All 1 prefix, in address order.

42.194.12.0/24

Similar-sized networks in China

ASNNameIPv4 addresses

AS134169#585 CERNEWTECHRES-AS-CN - CERNEWTECH (Beijing) co.,LTD256

AS137795#586 SULIAN-IDC002 - Hangzhou Sulian Information Technology Co.,ltd256

AS139122#587 BMAC - BEIJING MUNICIPAL ADMINISTRATION COMMUNICATION CARD CO..LTD256

AS139799#589 BDIITCL-AS-AP - Beijing Dajia Internet Information Technology Co., Ltd.256

AS146813#590 SUIJI - Shanghai Suiji Networks Tech. Co. Ltd.256

AS146822#591 CHINANET-XINFU - Shenzhenshi Zhongyun Shujujishu Youxiangongsi256

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