AS8508

Silesian University of Technology, Computer Centre

Announces 160,000 addresses in 15 prefixes. None of it is anonymizer space.

Type

Education

Proxy activity, 30 days

383 exits

Announced prefixes

Arrived

Sort

Prefix	Type	Proxy exits	Holder
83.230.64.0/20 since Aug 2011	Business	13 2 always on
83.230.64.0/21 since Mar 2021	Business	13 2 always on
83.230.96.0/19 since Jun 2009	Business	25
83.230.99.0/24 since Dec 2025	Business	20
83.230.110.0/24 since Mar 2017	Business
83.230.118.0/23 since Mar 2017	Business
91.220.103.0/24 since Dec 2010	Business	1	Biblioteka Slaska
155.158.0.0/16 since May 2005	Business	140 2 always on	Uniwersytet Slaski W Katowicach
157.158.0.0/16 since May 2005	Business	192
212.106.176.0/20 since May 2005	Business	5
212.106.183.0/24 since Sep 2024	Business
212.106.184.0/22 since Dec 2016	Business
213.227.80.0/20 since May 2005	Business	7
213.227.88.0/21 since Oct 2016	Business	7
213.227.96.0/19 since May 2005	Business

Always-on exits

1.0% of its exits

Spread

/24s with at least one exit

Providers

selling exits here

Oct 4, 2026 – Nov 2, 2026

16K observations

Profile