AS139122#587 BMAC - BEIJING MUNICIPAL ADMINISTRATION COMMUNICATION CARD CO..LTD256
AS139183#588 TRLCNET - Thomson Reuters (Beijing) Technology Development Co. Ltd256
AS139799#589 BDIITCL-AS-AP - Beijing Dajia Internet Information Technology Co., Ltd.256
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