AS4158 — CITYUNI-AS-AP City University of Hong Kong

Network type: education

AS4158 announces 9 IPv4 prefixes covering 82,976 addresses and 1 IPv6 prefixes.

About this network

CITYUNI-AS-AP is City University of Hong Kong (CityU), a public research university in Kowloon Tong, Hong Kong.

What it's used for

• Campus networking for students, faculty, and staff: teaching, research, library, residence halls, and administrative systems.
• Research and inter-university connectivity within Hong Kong's academic networking community.

Notable

• This is institutional address space. Traffic from it is overwhelmingly campus users rather than commercial subscribers or hosted customers.
• The allocation is sizeable for a single campus (tens of thousands of addresses), reflecting an era when universities received generous IPv4 assignments.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 144.214.0.0/16
• 175.159.64.0/19
• 175.159.200.0/21
• 175.159.208.0/22
• 202.125.216.0/21
• 202.125.252.0/22
• 203.188.80.0/21
• 203.188.88.0/22
• 203.188.112.128/27
• 2001:ce0:5::/48

Upstream networks

• AS3662 Joint Universities Computer Centre Limited
• AS137207 Joint Universities Computer Centre Limited

Adjacent networks

• AS3662 Joint Universities Computer Centre Limited
• AS137207 Joint Universities Computer Centre Limited