Data as of Nov 8, 2026
213.227.74.0/24
1 residential-proxy exit · 30 daysPirxNet Grzegorz Bialas · space held by Silesian University of Technology, Computer Centre
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Always-on exits
1
100% of its exits
Providers
20
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
949 observations
Proxy providers listing exits
- AnyIP
- B2Proxy
- BirdProxies
- Byteful
- Decodo
- FloppyData
- Infatica
- InfiniteProxies
- LemonBright
- MangoProxy
- Oxylabs
- Proxiware
- Proxy-Seller
- ProxyEmpire
- Proxyma
- Shifter
- SwiftProxy
- TalorData
- ThunderProxy
- VitalExclusive
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 213.227.64.0/20 since Jan 2019 | AS15744 | Business | 4 1 always on | Silesian University of Technology, Computer Centre |
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 |
|---|---|---|---|---|---|---|
| 213.227.64.0/18 | 16,384 | PL-CKPOLSL-20001016 | Silesian University of Technology, Computer Centre (ORG-CSUO1-RIPE) · PL | ALLOCATED PA | Feb 27, 2002 | abuse@ |
| └ 213. | 680 | PIRXNET | PirxNet Grzegorz Bialas (ORG-PGB3-RIPE) · PL | ASSIGNED PA | Dec 20, 2013 | abuse@ |
| └ 213.227.74.168/29 | 8 | JOTA-NET | unknown | ASSIGNED PA | Dec 20, 2013 | biuro@ |
| └ 213. | 160 | PIRXNET | PirxNet Grzegorz Bialas (ORG-PGB3-RIPE) · PL | ASSIGNED PA | Dec 20, 2013 | abuse@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
256 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 248 | 97% | 2 | |
| Business | 8 | 3.1% | 1 |
Network & registry
Announced by
Covering announcement 213.227.72.0/22
- Prefix
- 213.227.72.0/22
- Announced by
- AS35434 PirxNet Grzegorz Bialas
- Type
- Residential
- Proxy exits
- 1
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- PL-CKPOLSL-20001016
- Registrant
- Silesian University of Technology, Computer Centre
- RIR
- RIPE NCC
Origin network
AS35434
PL
- Name
- PirxNet Grzegorz Bialas
- Type
- Internet provider
- Registered
- Aug 8, 2005
- Domain
- pirxnet.pl
- Website
- www.pirxnet.pl
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
213.227.72.0/22
Routing history
- Pattern
- Stable
- First seen
- Feb 2009
- Current origin since
- Feb 2009 · 18 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 213.227.72.0/22 | AS35434 | /22 | RIPE | RPKI valid |
| 213.227.64.0/20 | AS15744 | /20 | RIPE | Another network |
IRR
Route objects on 213.227.72.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS35434 | RIPE | PL-CKPOLSL-NET-20001016-COM | PL-CKPOLSL-MNT | May 26, 2008 |
Whois
Registration for this announcement
- Range
- 213.
227. 64. 0/ 18 - Netname
- PL-CKPOLSL-20001016
- Registrant
- Silesian University of Technology, Computer Centre
- Registrant country
- PL
- Organization
- Silesian University of Technology, Computer Centre (ORG-CSUO1-RIPE)
- Org country
- PL
- Type
- ALLOCATED PA
- Created
- Feb 27, 2002
- Updated
- Jul 26, 2016
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- Oct 16, 2000
- Status
- assigned
Report abuse
Abuse contact
- abuse@
silweb. pl - Name
- PL-CKPOLSL Hostmaster Team
- Handle
- SASK1-RIPE