AS135581 19 Chun Wang Street, Tseung Kwan O Industrial Estate, N.T. Hong Kong

ONL-HK-AS - 19 Chun Wang Street, Tseung Kwan O Industrial Estate, N.T. Hong Kong · registered in Hong Kong

IPv4 addresses4,6089 prefixes · <0.001% of announced IPv4

Rank in Hong Kong#201largest network in HK by IPv4 space, of 735 · 0.02% of HK

Rank worldwide#14,456of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryHong Kong779 ASNs registered there

Open AS135581 in ASN lookup Look up an IP in this network (5.254.129.1) All networks in Hong Kong

IPv4 prefixes

All 9 prefixes, in address order.

5.254.129.0/24
5.254.131.0/24
103.87.240.0/22
103.91.126.0/24
103.108.40.0/22
103.115.144.0/23
103.115.146.0/24
103.142.146.0/23
103.143.28.0/23

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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