Longest Match / Organisations

Registered organisation

Joint Universities Computer Centre Limited

Address space registered to Joint Universities Computer Centre Limited, and where it is announced from.

Registered holders come from the bulk whois that RIPE, APNIC and AFRINIC publish. ARIN and LACNIC do not publish theirs, so space held in North and South America is largely unattributed here.

What this tells you

• Holds 133,376 IPv4 addresses and 8,589,934,592 IPv6 /64 networks across 13 registered blocks.
• Announced by 11 networks, the largest being AS7651 Lingnan University at 16% of the IPv4 space.
• All of the space we can place resolves to Hong Kong.

Networks announcing this space

Space announced by a network covers 100% of this holder's IPv4 space and 100% of its IPv6 space. The table below divides that space.

Network	IPv4 share	IPv6 share
AS7651 Lingnan University	16%	<0.1%
AS4528 The University of Hong Kong	13%	0.2%
AS4616 The Hong Kong Polytechnic University	13%	<0.1%
AS4158 City University of Hong Kong	13%	<0.1%
AS7650 The Education University of Hong Kong	12%	<0.1%
AS3363 Hong Kong University of Science and Technology	10%	<0.1%
AS4605 Hong Kong Baptist University	7%	<0.1%
AS3661 The Chinese University of Hong Kong	4%	<0.1%
AS137207 Joint Universities Computer Centre Limited	4%	99%
Everything else (2 more)	8%	-

Countries this space resolves to

Space we can place in a country covers 100% of this holder's IPv4 space and 100% of its IPv6 space. The table below divides that space.

Country	IPv4 share	IPv6 share
Hong Kong	100%	100%

An operator of the same name runs networks of its own: see Joint Universities Computer Centre Limited for the networks side of the same company.

Holding a block is a registry fact, not a physical one. The organisation named here is who the block is assigned to, which is often a customer of the network operator announcing it.

Every figure on this page is also JSON: /api/v2/directory/org/joint-universities-computer-centre-limited. Breakdowns paginate from there, so a table showing the largest rows here returns all of them. Read the API.