AS136989#571 CYBERPORT-AS-AP - Hong Kong Cyberport Management Company512
AS137211#572 ALTRON-AS-AP - ALTRON DATA LIMITED512
AS137446#573 HIGHSPEEDNET-AS-AP - Highspeednet Data Services(Hongkong)Co.,Limited512
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