AS3363 Hong Kong University of Science and Technology

HKUST-AS-HK - Hong Kong University of Science and Technology · registered in Hong Kong

IPv4 addresses79,6167 prefixes · 0.003% of announced IPv4

Rank in Hong Kong#41largest network in HK by IPv4 space, of 735 · 0.41% of HK

Rank worldwide#2,204of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryHong Kong779 ASNs registered there

Open AS3363 in ASN lookup Look up an IP in this network (143.89.0.1) All networks in Hong Kong

IPv4 prefixes

All 7 prefixes, in address order.

143.89.0.0/16
175.159.96.0/19
175.159.240.0/22
202.14.80.0/24
202.40.138.0/23
202.125.224.0/21
203.188.104.0/21

IPv6 prefixes

All 1 prefix.

2001:ce0:7::/48

Similar-sized networks in Hong Kong

ASNNameIPv4 addresses

AS4528#38 HKU-AS-HK - The University of Hong Kong83,712

AS4158#39 CITYUNI-AS-AP - City University of Hong Kong82,976

AS4616#40 HKPOLYU-HK - The Hong Kong Polytechnic University82,944

AS9925#42 HKTDCS-AS-AP - VDC Powerbase Hong Kong Data Centers Limited75,520

AS138995#43 ANTBOX1-AS-AP - Antbox Networks Limited74,496

AS4605#44 ERX-HKBUNET - Hong Kong Baptist University74,240

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