AS144704#519 AS144704-7 - China Education and Research Network (CERNET)256
AS154315#520 LEIDIANYUN-AS-AP - Guangzhou Leidianyun Technology Co Ltd256
AS153376#521 BRNET-AS-AP - Jilin Province Brick Business Service Limited256
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