Data as of Nov 7, 2026
123.255.96.0/24
No anonymizer space · no proxy exits in 30 daysThe Hong Kong Internet Exchange Limited · space held by The Chinese University of Hong Kong
Network & registry
Announced by
Covering announcement 123.255.96.0/19
- Prefix
- 123.255.96.0/19
- Announced by
- AS4641 The Hong Kong Internet Exchange Limited
- Type
- Business
- Proxy exits
- 7
- RPKI
- No RPKI
- Netname
- CUHKNET
- Registrant
- The Chinese University of Hong Kong
- RIR
- APNIC
Origin network
AS4641
HK
- Name
- The Hong Kong Internet Exchange Limited
- Type
- Education
- Registered
- Nov 24, 1995
- Domain
- cuhk.edu.hk
- Website
- www.cuhk.edu.hk/
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 123.255.96.0/19
123.255.96.0/19
Routing history
- Pattern
- Stable
- First seen
- Jun 2011
- Current origin since
- Jun 2011 · 15 yr
- Origin networks
- 1
IRR
Route objects on 123.255.96.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4641 | APNIC | The Chinese University of Hong Kong | MAINT-CUHKNET-HK | May 20, 2011 |
Whois
Registration for this announcement
- Range
- 123.
255. 96. 0/ 19 - Netname
- CUHKNET
- Registrant
- The Chinese University of Hong Kong
- Registrant country
- HK
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Dec 5, 2022
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- HK
- Delegated
- Jun 15, 2009
- Status
- assigned
Report abuse
Abuse contact
- noc-admin@
cuhk. edu. hk - Name
- ABUSE CUHKNETHK
- Handle
- AC2019-AP