Data as of Nov 11, 2026

83.230.2.0/23

No anonymizer space · no proxy exits in 30 days

PirxNet Grzegorz Bialas · space held by Silesian University of Technology, Computer Centre

Announcement
RPKI valid
Announced by
Type
Residential
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
83.230.0.0/18
since Jan 2019
AS15744Business67
3 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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
83.230.0.0/1732,768PL-CKPOLSL-20040521Silesian University of Technology, Computer Centre (ORG-CSUO1-RIPE) · PLALLOCATED PAMay 21, 2004abuse@silweb.pl
└ 83.230.2.0/23512PIRXNETPirxNet Grzegorz Bialas (ORG-PGB3-RIPE) · PLASSIGNED PADec 19, 2013abuse@pirxnet.pl

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

83.230.0.0/19

Routing history

Pattern
Rotating
First seen
Feb 2009
Current origin since
Nov 2023 · 3.0 yr
Origin networks
3
Last change of origin
Nov 2023
Recorded history

History

Handoffs
5