Data as of Nov 9, 2026

212.51.192.0/21

7 residential-proxy exits · 30 days

Lodz University of Technology

Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
7
0.34% of its addresses · 30 days
Spread
2 of 8
/24s with at least one exit
Providers
29
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

112 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
212.51.199.0/2405
212.51.198.0/2402

Proxy providers listing exits

  • 2Extract
  • AnyIP
  • BirdProxies
  • ByteProxies
  • Byteful
  • CliProxy
  • FastProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • IPFly
  • IPPeak
  • Infatica
  • LemonBright
  • LemonLabs
  • LemonPrime
  • MangoProxy
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Proxiware
  • Proxy-Seller
  • Proxyma
  • PuraRoute
  • RainProxy
  • Shifter
  • VantageProxies
  • 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
212.51.192.0/198,192PL-LODMAN-980917Lodz University of Technology (ORG-MANL1-RIPE) · PLALLOCATED PAJul 17, 2002abuse@man.lodz.pl
└ 212.51.192.0/24256LODMANMetropolitan Area NetworkASSIGNED PAMay 20, 2002abuse@man.lodz.pl
via PL-LODMAN-980917
└ 212.51.193.0/24256IMP-LODZ-LANNofer Institute of Occupational Medicine (ORG-IMPA1-RIPE)ASSIGNED PAJun 13, 2002it@imp.lodz.pl
└ 212.51.196.32/2732IBMPAN-LODZ-NETInstytut Biologii Medycznej PAN (ORG-IBMP1-RIPE)ASSIGNED PA—radoslaw@machala.it
└ 212.51.198.0/23512UMED-LODZ-NETMedical University of Lodz (ORG-UMLO1-RIPE)ASSIGNED PAJun 29, 2007cit@umed.lodz.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

Origin network

AS8256

PL
Name
Lodz University of Technology
Type
Education
Registered
Apr 4, 1997
Domain
lodz.pl
Industry
Colleges, Universities, and Professional Schools
Spamhaus ASN-DROP
not listed