Data as of Nov 6, 2026
143.89.22.0/23
2 residential-proxy exits · 30 daysHong Kong University of Science and Technology
Residential-proxy exits
Proxy exits
2
0.39% of its addresses · 30 days
Spread
1 of 2
/24s with at least one exit
Providers
21
selling exits here
Oct 7, 2026 – Nov 5, 2026
Exits seen per day
82 observations
Proxy providers listing exits
- 2Captcha
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- FastProxy
- FloppyData
- GonzoProxy
- IPOasis
- Infatica
- LemonBright
- LightningProxies
- MangoProxy
- NodeMaven
- NovaProxy
- Proxy-Seller
- ProxyEmpire
- Proxyma
- Shifter
- VibeProxies
- VitalExclusive
Network & registry
Announced by
Covering announcement 143.89.0.0/16
- Prefix
- 143.89.0.0/16
- Announced by
- AS3363 Hong Kong University of Science and Technology
- Type
- Business
- Proxy exits
- 47
- RPKI
- No RPKI
- Netname
- USTHK-NET
- Registrant
- Hong Kong University of Science and Technology
- RIR
- APNIC
Origin network
AS3363
HK
- Name
- Hong Kong University of Science and Technology
- Type
- Education
- Registered
- Nov 24, 2003
- Domain
- ust.hk
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 143.89.0.0/16
143.89.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on 143.89.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3363 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| AS3363 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | Jan 8, 2018 |
| AS3662 not the origin | REACH | REACH (Customer Route) | MAINT-REACH-NOC | Aug 30, 2005 |
| AS3662 not the origin | RADB | HGC (customer route) | MAINT-AS9304 | Nov 13, 2023 |
| AS3662 not the origin | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Jul 6, 2005 |
| AS9269 not the origin | REACH | REACH (Customer Route) | MAINT-REACH-NOC | Mar 7, 2012 |
| 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
- 143.
89. 0. 0/ 16 - Netname
- USTHK-NET
- Registrant
- Hong Kong University of Science and Technology
- Registrant country
- HK
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- May 20, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- HK
- Delegated
- Sep 7, 1990
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ust. hk - Name
- ABUSE HKUNISCITECHNONHK
- Handle
- AH825-AP