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Data as of Nov 7, 2026

212.87.16.0/20

5 residential-proxy exits · 30 days

University of Warsaw

Announcement
this exact prefix
No RPKI
Announced by
AS8664
Type
Business
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
5
0.12% of its addresses · 30 days
Always-on exits
1
20% of its exits
Spread
5 of 16
/24s with at least one exit
Providers
33
selling exits here
Oct 8, 2026 – Nov 6, 2026

Exits seen per day

2.7K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
212.87.25.0/2411
212.87.20.0/2401
212.87.26.0/2401
212.87.28.0/2401
212.87.30.0/2401

Proxy providers listing exits

  • 2Extract
  • Ake.net
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • EnigmaProxy
  • Evomi
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GonzoProxy
  • Infatica
  • InfiniteProxies
  • LemonBright
  • MangoProxy
  • NodeProxy
  • NovaProxy
  • Oxylabs
  • PrivateProxy
  • Proxiware
  • Proxy-Seller
  • ProxyEmpire
  • Proxyma
  • RainProxy
  • Shifter
  • VantageProxies
  • VitalData
  • VitalExclusive

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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
212.87.0.0/198,192PL-ICM-981103University of Warsaw (ORG-IA45-RIPE) · PLALLOCATED PADec 14, 2001abuse@uw.edu.pl
└ 212.87.16.0/23512IBD-PANInterdisciplinary Centre for Modelling (ORG-ICM3-RIPE)ASSIGNED PA—abuse@core.icm.edu.pl
└ 212.87.18.0/23512TWARDA-PANInterdisciplinary Centre for Modelling (ORG-ICM3-RIPE)ASSIGNED PA—abuse@core.icm.edu.pl
└ 212.87.20.0/24256IBD-PANInterdisciplinary Centre for Modelling (ORG-ICM3-RIPE)ASSIGNED PAJul 12, 2011abuse@core.icm.edu.pl
└ 212.87.21.0/24256IIMCBInterdisciplinary Centre for Modelling (ORG-ICM3-RIPE)ASSIGNED PA—abuse@core.icm.edu.pl
└ 212.87.22.0/23512AM-WAWInterdisciplinary Centre for Modelling (ORG-ICM3-RIPE)ASSIGNED PA—abuse@core.icm.edu.pl
└ 212.87.24.0/24256IBIB-PANInterdisciplinary Centre for Modelling (ORG-ICM3-RIPE)ASSIGNED PA—abuse@core.icm.edu.pl
└ 212.87.25.0/24256AMF-WAWInterdisciplinary Centre for Modelling (ORG-ICM3-RIPE)ASSIGNED PA—abuse@core.icm.edu.pl
└ 212.87.26.0/24256IMDIKInterdisciplinary Centre for Modelling (ORG-ICM3-RIPE)ASSIGNED PA—abuse@core.icm.edu.pl
└ 212.87.27.0/25128BIOL-UWWarsaw UniversityASSIGNED PAJul 12, 2011abuse@uw.edu.pl
via PL-ICM-981103
└ 212.87.28.0/23512IBB-PANInterdisciplinary Centre for Modelling (ORG-ICM3-RIPE)ASSIGNED PA—abuse@core.icm.edu.pl
└ 212.87.30.0/24256IPPT-PANInterdisciplinary Centre for Modelling (ORG-ICM3-RIPE)ASSIGNED PAJul 12, 2011abuse@core.icm.edu.pl

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

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS8664

PL
Name
University of Warsaw
Type
Education
Registered
Feb 13, 1998
Domain
uw.edu.pl
Website
www.core.icm.edu.pl
Industry
Colleges, Universities, and Professional Schools
Spamhaus ASN-DROP
not listed