Data as of Nov 13, 2026
150.254.4.0/22
1 residential-proxy exit · 30 daysPoznan University of Technology · space held by Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
Residential-proxy exits
Proxy exits
1
0.10% of its addresses · 30 days
Spread
1 of 4
/24s with at least one exit
Providers
19
selling exits here
Oct 14, 2026 – Nov 12, 2026
Exits seen per day
259 observations
Proxy providers listing exits
- 2Extract
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- EnigmaProxy
- FlexyProxies
- FloppyData
- GonzoProxy
- Infatica
- LemonBright
- MangoProxy
- NovaProxy
- Proxiware
- Proxy-Seller
- ProxyEmpire
- Proxyma
- Shifter
- VitalExclusive
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 150.254.0.0/16 since May 2005 | AS9112 | Business | 310 6 always on | Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, 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@ |
| └ 150.254.0.0/21 | 2,048 | POZMAN-PP-1-21 | Address space for Poznan University of Technology | LEGACY | Feb 22, 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
Registry
Holder
- Organization
- Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
- Handle
- ORG-PSAN1-RIPE
- Range
- 150.
254. 0. 0/ 16 - Registration type
- LEGACY
- Record created
- Feb 20, 2002
- Legacy
- yes
Origin network
AS206523
PL
- Name
- Poznan University of Technology
- Type
- Education
- Registered
- Apr 1, 2022
- Domain
- poznan.pl
- Industry
- Manufacturing
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2022
- Current origin since
- Jun 2022 · 4.4 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS206523 | RIPE | Route for Poznan University of Technology | POZMAN-EDU-AS-MNT PP-MNT | May 26, 2022 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 150.254.5.0/24 | AS206523 | RIPE | Route for Poznan University of Technology | POZMAN-EDU-AS-MNT PP-MNT | May 27, 2022 |
Whois
Registration for this announcement
- Range
- 150.
254. 0. 0/ 21 - Netname
- POZMAN-PP-1-21
- Registrant
- Address space for Poznan University of Technology
- Registrant country
- PL
- Organization
- Address space for Poznan University of Technology
- Org country
- PL
- Type
- LEGACY
- Created
- Feb 22, 2013
- 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