Data as of Nov 10, 2026
175.159.4.0/22
12 residential-proxy exits · 30 daysThe Hong Kong Polytechnic University · space held by Joint Universities Computer Centre Limited
Residential-proxy exits
Proxy exits
12
1.2% of its addresses · 30 days
Spread
2 of 4
/24s with at least one exit
Providers
17
selling exits here
Oct 11, 2026 – Nov 9, 2026
Exits seen per day
55 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 175.159.5.0/24 | 0 | 9 | |
| 175.159.4.0/24 | 0 | 3 |
Proxy providers listing exits
- Ake.net
- BirdProxies
- Byteful
- FastProxy
- GSocks
- IPPeak
- Infatica
- LemonBright
- MangoProxy
- NodeProxy
- NovaProxy
- Proxyma
- RainProxy
- Shifter
- ThunderProxy
- VantageProxies
- VitalExclusive
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 175.159.0.0/16 | 65,536 | JUCC-BLK5 | Joint Universities Computer Centre Limited (ORG-JUCC1-AP) · HK | ALLOCATED PORTABLE | — | hartech@ |
| └ 175.159.0.0/19 | 8,192 | POLYU-HK | The Hong Kong Polytechnic University | ASSIGNED NON-PORTABLE | — | hartech@ |
Network & registry
Announced by
Covering announcement 175.159.0.0/19
- Prefix
- 175.159.0.0/19
- Announced by
- AS4616 The Hong Kong Polytechnic University
- Type
- Business
- Proxy exits
- 108
- RPKI
- No RPKI
- Netname
- POLYU-HK
- Registrant
- The Hong Kong Polytechnic University
- RIR
- APNIC
Registry
Holder
- Organization
- Joint Universities Computer Centre Limited
- Handle
- ORG-JUCC1-AP
- Range
- 175.
159. 0. 0/ 16 - Registration type
- ALLOCATED PORTABLE
Origin network
AS4616
HK
- Name
- The Hong Kong Polytechnic University
- Type
- Education
- Registered
- Jul 7, 1995
- Domain
- polyu.edu.hk
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 175.159.0.0/19
175.159.0.0/19
Routing history
- Pattern
- Stable
- First seen
- Nov 2010
- Current origin since
- Nov 2010 · 16 yr
- Origin networks
- 1
IRR
Route objects on 175.159.0.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3662 not the origin | RADB | HKBN(customer route) | MAINT-AS9269 | Nov 13, 2023 |
| AS4616 | RADB | HKBN | MAINT-AS4766 | Nov 13, 2023 |
| AS4616 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | Jan 8, 2018 |
| AS9269 not the origin | REACH | REACH (Customer Route) | MAINT-REACH-NOC | Oct 25, 2010 |
| AS9269 not the origin | RADB | HKBN(customer route) | MAINT-AS9269 | Nov 13, 2023 |
| AS9269 not the origin | NTTCOM | HKBN as object (AS9269) | MAINT-HKBN | Oct 19, 2017 |
| AS10103 not the origin | RADB | HKBN(customer route) | MAINT-AS9269 | Nov 13, 2023 |
| AS45474 not the origin | RADB | Nexusguard (Customer Route) | MAINT-AS45474 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 175.
159. 0. 0/ 19 - Netname
- POLYU-HK
- Registrant
- The Hong Kong Polytechnic University
- Registrant country
- HK
- Organization
- The Hong Kong Polytechnic University
- Org country
- HK
- Type
- ASSIGNED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- May 12, 2021
- Maintainer
- MAINT-JUCC-AP
- RIR
- APNIC
- Country
- HK
- Delegated
- Jan 19, 2010
- Status
- assigned
Report abuse
Abuse contact
- hartech@
jucc. edu. hk - Name
- ABUSE JUCCHK
- Handle
- AJ481-AP