AS135974#381 NPT-AS-VN - National Power Transmission Corporation512
AS135978#382 HAUI-AS-VN - Hanoi University of Industry512
AS135982#383 HASD-AS-VN - Hoi An South Development Ltd512
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