Data as of Nov 6, 2026
150.254.136.0/21
5 residential-proxy exits · 30 daysInstitute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
Residential-proxy exits
Proxy exits
5
0.24% of its addresses · 30 days
Spread
3 of 8
/24s with at least one exit
Providers
23
selling exits here
Oct 7, 2026 – Nov 5, 2026
Exits seen per day
121 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 150.254.137.0/24 | 0 | 2 | |
| 150.254.143.0/24 | 0 | 2 | |
| 150.254.138.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Extract
- BirdProxies
- Byteful
- CliProxy
- EnigmaProxy
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- GSocks
- IPPeak
- Infatica
- LemonBright
- MangoProxy
- NodeProxy
- NovaProxy
- ProxyEmpire
- Proxyma
- RainProxy
- Shifter
- Thordata
- VantageProxies
- VitalExclusive
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 150.254.140.0/24 since Jul 2022 | AS206523 | Business | Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center |
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 |
|---|---|---|---|---|---|---|
| 150.254.0.0/16 | 65,536 | PL-POZMAN-980508 | Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center (ORG-PSAN1-RIPE) · PL | LEGACY | Feb 20, 2002 | cert@ |
| └ 150. | 4,864 | POZMAN-PP-6-19 | Address space for Poznan University of Technology | LEGACY | Apr 29, 2013 | cert@ via PL-POZMAN-980508 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 150.254.0.0/16
- Prefix
- 150.254.0.0/16
- Announced by
- AS9112 Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
- Type
- Business
- Proxy exits
- 291
- Always-on exits
- 6
- RPKI
- No RPKI
- Netname
- PL-POZMAN-980508
- Registrant
- Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
- RIR
- RIPE NCC
Origin network
AS9112
PL
- Name
- Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
- Type
- Education
- Registered
- Dec 23, 1998
- Domain
- pcss.pl
- Website
- www.pcss.pl
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 150.254.0.0/16
150.254.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on 150.254.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS9112 | RIPE | POZMAN-EDU-980508 | POZMAN-EDU-AS-MNT | Feb 7, 2006 |
Whois
Registration for this announcement
- Range
- 150.
254. 0. 0/ 16 - Netname
- PL-POZMAN-980508
- Registrant
- Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
- Registrant country
- PL
- Organization
- Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center (ORG-PSAN1-RIPE)
- Org country
- PL
- Type
- LEGACY
- Created
- Feb 20, 2002
- Updated
- Mar 31, 2026
- Maintainer
- AS8364-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- Jan 13, 1999
- Status
- assigned
Report abuse
Abuse contact
- cert@
man. poznan. pl - Name
- Poznanskie Centrum Superkomputerowo-Sieciowe CERT
- Handle
- CE1770-RIPE