AS4605 Hong Kong Baptist University

ERX-HKBUNET - Hong Kong Baptist University · registered in Hong Kong

IPv4 addresses74,24020 prefixes · 0.002% of announced IPv4

Rank in Hong Kong#44largest network in HK by IPv4 space, of 735 · 0.38% of HK

Rank worldwide#2,320of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryHong Kong779 ASNs registered there

Open AS4605 in ASN lookup Look up an IP in this network (158.182.0.1) All networks in Hong Kong

IPv4 prefixes

All 20 prefixes, in address order.

158.182.0.0/18
158.182.64.0/20
158.182.80.0/22
158.182.84.0/24
158.182.85.0/24
158.182.86.0/23
158.182.88.0/21
158.182.96.0/19
158.182.128.0/17
175.159.144.0/21
175.159.152.0/23
175.159.154.0/25
175.159.154.128/26
175.159.154.192/27
175.159.154.224/27
175.159.155.0/24
175.159.156.0/23
175.159.232.0/21
202.125.240.0/21
202.125.248.0/22

IPv6 prefixes

All 1 prefix.

2001:ce0:6::/48

Similar-sized networks in Hong Kong

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AS3363#41 HKUST-AS-HK - Hong Kong University of Science and Technology79,616

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

AS3661#45 ERX-CUHKNET - The Chinese University of Hong Kong73,984

AS133199#46 SONDERCLOUDLIMITED-AS-AP - SonderCloud Limited73,728

AS45187#47 RACKSPACE-AP - Rackspace IT Hosting AS IT Hosting Provider Hong Kong66,816

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