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Data as of Nov 4, 2026

212.106.191.0/24

1 residential-proxy exit · 30 days

Silesian University of Technology, Computer Centre

Announcement

212.106.176.0/20

RPKI valid

Announced by

Type

Business

Risk

0 / 100 · Low

Residential-proxy exits

Proxy exits

1

0.39% of its addresses · 30 days

Providers

3

selling exits here

Oct 5, 2026 – Nov 3, 2026

Exits seen per day

4 observations

Proxy providers listing exits

2Extract
GSocks
Infatica

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
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	[email protected]
└ 212.106.191.0/29	8	IMZ	Instytut Metalurgii Zelaza	ASSIGNED PA	Feb 20, 2009	[email protected]
└ 212.106.191.12/30	4	SASK-INFRA	SASK Infrastructure	ASSIGNED PA	Mar 8, 2016	[email protected]
└ 212.106.191.24/30	4	SASK-INFRA	SASK Infrastructure	ASSIGNED PA	Nov 30, 2018	[email protected]
└ 212.106.191.28/30	4	I-LO	I Liceum Ogólnokszta?c?ce Dwuj?zyczne im. E. Dembowskiego	ASSIGNED PA	Mar 27, 2014	[email protected]
└ 212.106.191.32/30	4	ICHPW	Instytut Chemicznej Przeróbki W?gla	ASSIGNED PA	Mar 4, 2009	[email protected]
└ 212.106.191.40/30	4	CMPiW-PAN-GLIWICE	Centrum Materia?ów Polimerowych i W?glowych Polskiej Akademii Nauk	ASSIGNED PA	Jan 18, 2018	[email protected]
└ 212.106.191.44/30	4	AWF	Akademia Wychowania Fizycznego im. Jerzego Kukuczki w Katowicach	ASSIGNED PA	Sep 21, 2012	[email protected]
└ 212.106.191.64/30	4	Lukasiewicz-GIT	Siec Badawcza Lukasiewicz - Gornoslaski Instytut Technologiczny	ASSIGNED PA	Jan 18, 2018	[email protected]
└ 212.106.191.72/29	8	Lukasiewicz-GIT	Siec Badawcza Lukasiewicz - Gornoslaski Instytut Technologiczny	ASSIGNED PA	Feb 3, 2022	[email protected]
└ 212.106.191.80/29	8	ZSTI	Zespol Szkol Techniczno - Informatycznych	ASSIGNED PA	Apr 3, 2009	[email protected]
└ 212.106.191.88/30	4	IICh	Instytut Inzynierii Chemicznej Polskiej Akademii Nauk	ASSIGNED PA	Apr 18, 2014	[email protected]
└ 212.106.191.92/30	4	KOMAG	Instytut Techniki Gorniczej KOMAG	ASSIGNED PA	Apr 18, 2014	[email protected]
└ 212.106.191.108/31	2	ANS	Akademia Nauk Stosowanych w Raciborzu	ASSIGNED PA	Dec 2, 2022	[email protected]
└ 212.106.191.120/29	8	IETU	Instytut Ekologii Terenow Uprzemyslowionych	ASSIGNED PA	Dec 2, 2011	[email protected]

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Announced by

Covering announcement 212.106.176.0/20

Prefix: 212.106.176.0/20
Announced by: AS8508 Silesian University of Technology, Computer Centre
Type: Business
Proxy exits: 5
RPKI: RPKI valid
Netname: PL-CKPOLSL-981207
Registrant: Silesian University of Technology, Computer Centre
RIR: RIPE NCC

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

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 212.106.176.0/20

Origin	Registry	Description	Maintainer	Modified
AS8508	RIPE	PL-CKPOLSL-NET-19981207-EDU	PL-CKPOLSL-MNT	May 25, 2004