Data as of Nov 8, 2026
212.106.176.0/20
5 residential-proxy exits · 30 daysSilesian University of Technology, Computer Centre
Residential-proxy exits
Proxy exits
5
0.12% of its addresses · 30 days
Spread
3 of 16
/24s with at least one exit
Providers
28
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
489 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 212.106.176.0/24 | 0 | 2 | |
| 212.106.188.0/24 | 0 | 2 | |
| 212.106.191.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Captcha
- 2Extract
- Ake.net
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- CliProxy
- EnigmaProxy
- FlexyProxies
- GSocks
- Geonix
- GonzoProxy
- Infatica
- LemonBright
- MangoProxy
- NodeProxy
- NovaProxy
- Proxy-Seller
- ProxyEmpire
- Proxyma
- Shifter
- Thordata
- ThunderProxy
- VantageProxies
- VibeProxies
- VitalExclusive
- VitalProxy
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 212.106.183.0/24 since Sep 2024 | AS8508 | Business | Silesian University of Technology, Computer Centre | |
| 212.106.184.0/22 since Dec 2016 | AS8508 | Business | Silesian University of Technology, Computer Centre |
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 |
|---|---|---|---|---|---|---|
| 212.106.128.0/18 | 16,384 | PL-CKPOLSL-981207 | Silesian University of Technology, Computer Centre (ORG-CSUO1-RIPE) · PL | ALLOCATED PA | Feb 27, 2002 | abuse@ |
| └ 212.106.176.0/24 | 256 | AWF | Akademia Wychowania Fizycznego im. Jerzego Kukuczki w Katowicach | ASSIGNED PA | Jun 7, 2002 | abuse@ |
| └ 212.106.177.0/24 | 256 | AM | Akademia Muzyczna im. Karola Szymanowskiego w Katowicach | ASSIGNED PA | Feb 4, 2004 | abuse@ |
| └ 212.106.178.0/24 | 256 | ZSTR | Zespol Szkol Technicznych im. Stanislawa Staszica w Rybniku | ASSIGNED PA | May 28, 2009 | abuse@ |
| └ 212.106.179.0/24 | 256 | IETU | Instytut Ekologii Terenow Uprzemyslowionych | ASSIGNED PA | Feb 3, 2004 | abuse@ |
| └ 212.106.181.0/24 | 256 | IITiS | Instytut Informatyki Teoretycznej i Stosowanej Polskiej Akademii Nauk | ASSIGNED PA | Oct 13, 2003 | abuse@ |
| └ 212.106.182.0/24 | 256 | IICh | Instytut Inzynierii Chemicznej Polskiej Akademii Nauk | ASSIGNED PA | Jul 15, 2004 | sekretariat@ |
| └ 212. | 1,280 | BIELMAN | Uniwersytet Bielsko-Bialski | ASSIGNED PA | — | abuse@ |
| └ 212.106.188.0/26 | 64 | I-LO | I Liceum Ogólnokszta?c?ce Dwuj?zyczne im. E. Dembowskiego | ASSIGNED PA | Jun 20, 2003 | sekretariat@ |
| └ 212.106.188.64/26 | 64 | ITAM | Instytut Techniki i Aparatury Medycznej | ASSIGNED PA | Feb 15, 2009 | abuse@ |
| └ 212.106.188.128/27 | 32 | ALO-POLSL-GLIWICE | Akademickie Liceum Ogólnokszta?c?ce Politechniki ?l?skiej w Gliwicach | ASSIGNED PA | Apr 11, 2019 | abuse@ via PL-CKPOLSL-981207 |
| └ 212.106.188.192/26 | 64 | ICHPW | Instytut Chemicznej Przeróbki W?gla | ASSIGNED PA | Nov 24, 2004 | abuse@ |
| └ 212.106.189.0/24 | 256 | IMN | Instytut Metali Niezelaznych | ASSIGNED PA | May 25, 2004 | jb@ |
| └ 212.106.190.0/24 | 256 | WSB | Wyzsza Szkola Biznesu w Dabrowie Gorniczej | ASSIGNED PA | Jun 5, 2012 | abuse@ |
| └ 212.106.191.0/29 | 8 | IMZ | Instytut Metalurgii Zelaza | ASSIGNED PA | Feb 20, 2009 | abuse@ |
| └ 212.106.191.12/30 | 4 | SASK-INFRA | SASK Infrastructure | ASSIGNED PA | Mar 8, 2016 | abuse@ |
| └ 212.106.191.24/30 | 4 | SASK-INFRA | SASK Infrastructure | ASSIGNED PA | Nov 30, 2018 | abuse@ |
| └ 212.106.191.28/30 | 4 | I-LO | I Liceum Ogólnokszta?c?ce Dwuj?zyczne im. E. Dembowskiego | ASSIGNED PA | Mar 27, 2014 | sekretariat@ |
| └ 212.106.191.32/30 | 4 | ICHPW | Instytut Chemicznej Przeróbki W?gla | ASSIGNED PA | Mar 4, 2009 | abuse@ |
| └ 212.106.191.40/30 | 4 | CMPiW-PAN-GLIWICE | Centrum Materia?ów Polimerowych i W?glowych Polskiej Akademii Nauk | ASSIGNED PA | Jan 18, 2018 | admin@ |
| └ 212.106.191.44/30 | 4 | AWF | Akademia Wychowania Fizycznego im. Jerzego Kukuczki w Katowicach | ASSIGNED PA | Sep 21, 2012 | abuse@ |
| └ 212.106.191.64/30 | 4 | Lukasiewicz-GIT | Siec Badawcza Lukasiewicz - Gornoslaski Instytut Technologiczny | ASSIGNED PA | Jan 18, 2018 | sekretariat@ |
| └ 212.106.191.72/29 | 8 | Lukasiewicz-GIT | Siec Badawcza Lukasiewicz - Gornoslaski Instytut Technologiczny | ASSIGNED PA | Feb 3, 2022 | sekretariat@ |
| └ 212.106.191.80/29 | 8 | ZSTI | Zespol Szkol Techniczno - Informatycznych | ASSIGNED PA | Apr 3, 2009 | abuse@ |
| └ 212.106.191.88/30 | 4 | IICh | Instytut Inzynierii Chemicznej Polskiej Akademii Nauk | ASSIGNED PA | Apr 18, 2014 | sekretariat@ |
| └ 212.106.191.92/30 | 4 | KOMAG | Instytut Techniki Gorniczej KOMAG | ASSIGNED PA | Apr 18, 2014 | serwis@ |
| └ 212.106.191.108/31 | 2 | ANS | Akademia Nauk Stosowanych w Raciborzu | ASSIGNED PA | Dec 2, 2022 | it@ |
| └ 212.106.191.120/29 | 8 | IETU | Instytut Ekologii Terenow Uprzemyslowionych | ASSIGNED PA | Dec 2, 2011 | abuse@ |
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
Origin network
AS8508
PL
- Name
- Silesian University of Technology, Computer Centre
- Type
- Education
- Registered
- Oct 13, 1997
- Domain
- polsl.pl
- Website
- www.polsl.pl/rju1-ck/sask/
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 212.106.176.0/20 | AS8508 | /20 | RIPE | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8508 | RIPE | PL-CKPOLSL-NET-19981207-EDU | PL-CKPOLSL-MNT | May 25, 2004 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 212.106.176.0/24 | AS8508 | RIPE | PL-CKPOLSL-NET-19981207-EDU | PL-CKPOLSL-MNT | Nov 6, 2023 |
| 212.106.177.0/24 | AS8508 | RIPE | PL-CKPOLSL-NET-19981207-EDU | PL-CKPOLSL-MNT | Nov 6, 2023 |
Whois
Registration for this announcement
- Range
- 212.
106. 128. 0/ 18 - Netname
- PL-CKPOLSL-981207
- 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
- Dec 7, 1998
- Status
- assigned
Report abuse
Abuse contact
- abuse@
silweb. pl - Name
- PL-CKPOLSL Hostmaster Team
- Handle
- SASK1-RIPE