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Data as of Nov 9, 2026

212.51.208.0/20

5 residential-proxy exits · 30 days

Lodz University of Technology

Announcement
this exact prefix
RPKI valid
Announced by
AS8256
Type
Business
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
5
0.12% of its addresses · 30 days
Spread
2 of 16
/24s with at least one exit
Providers
30
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

535 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
212.51.223.0/2403
212.51.221.0/2402

Proxy providers listing exits

  • 2Captcha
  • 2Extract
  • BartProxies
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • EnigmaProxy
  • FlashProxy
  • FlexyProxies
  • GSocks
  • Geonix
  • GonzoProxy
  • IPOasis
  • IPPeak
  • Infatica
  • LemonPrime
  • MangoProxy
  • NodeProxy
  • NovaProxy
  • Proxy-Seller
  • ProxyEmpire
  • Proxyma
  • RainProxy
  • Shifter
  • VantageProxies
  • VibeProxies
  • VitalExclusive
  • VitalProxy

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
└ 212.51.207.0 - 212.51.223.2554,352TULODZ-NETTechnical University of Lodz (ORG-TULO1-RIPE) · PLASSIGNED PAMar 19, 2002abuse@p.lodz.pl

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
Lodz University of Technology
Handle
ORG-MANL1-RIPE
Range
212.51.192.0/19
Registration type
ALLOCATED PA
Record created
Jul 17, 2002
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