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Data as of Nov 11, 2026

83.148.0.0/18

26 residential-proxy exits · 30 days

Quantcom, a.s.

Announcement
this exact prefix
RPKI valid
Announced by
AS29208
Type
Internet provider
92% of it

Residential-proxy exits

Proxy exits
26
0.16% of its addresses · 30 days
Always-on exits
1
3.8% of its exits
Spread
6 of 64
/24s with at least one exit
Providers
57
selling exits here
Oct 12, 2026 – Nov 10, 2026

Exits seen per day

1.8K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
83.148.32.0/2415
83.148.16.0/2408
83.148.60.0/2408
83.148.17.0/2402
83.148.34.0/2402
83.148.35.0/2401

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • BartProxies
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • CoreProxy
  • Decodo
  • EnigmaProxy
  • Evomi
  • FROXY
  • FlashProxy
  • GSocks
  • Geonode
  • GonzoProxy
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • LemonBright
  • MangoProxy
  • MarsProxies
  • NSocks
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovaProxy
  • Oxylabs
  • PROXYON
  • PROXYSCRAPE
  • PacketStream
  • PrivateProxy
  • Proxiware
  • Proxy-Seller
  • ProxyEmpire
  • ProxyRack
  • ProxyWing
  • Proxyma
  • RainProxy
  • Shifter
  • SpyderProxy
  • StrikeProxy
  • TORCHPROXIES_BASIC
  • TORCHPROXIES_PREMIUM
  • Thordata
  • ThunderProxy
  • TrustProxy
  • VantageProxies
  • VitalExclusive
  • Webshare
  • ZENPROXY_PREMIUM

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
83.148.0.0/1816,384CZ-QUANTCOM-20040224Quantcom, a.s. (ORG-IA8-RIPE) · CZALLOCATED PAFeb 24, 2004abuse@dialtelecom.cz
└ 83.148.0.0/24256SUBSCRIBERSNET01BOSKOVICEDial Telecom, a.s.ASSIGNED PAApr 29, 2010abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.1.0/24256SUBSCRIBERSNET02BOSKOVICEDial Telecom, a.s.ASSIGNED PAFeb 28, 2020abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.2.0/24256SUBSCRIBERSNET03BOSKOVICEDial Telecom, a.s.ASSIGNED PAFeb 28, 2020abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.3.0/24256SUBSCRIBERSNET04BOSKOVICEDial Telecom, a.s.ASSIGNED PAFeb 28, 2020abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.4.0/24256ADSLCOLNETWORK2ADSL POP for Telenor usersASSIGNED PAOct 31, 2005abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.5.0/24256ADSLCOLNETWORK2ADSL POP for Telenor usersASSIGNED PAJan 6, 2006abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.6.56/304All-DoneAll Done s.r.o.ASSIGNED PAFeb 27, 2014abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.6.60/304HOTELARON-ADSL-NETBOHEME HOTELS a.s.ASSIGNED PAJan 5, 2011abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.7.0/24256ADSLCOLNETWORK2ADSL POP for Telenor usersASSIGNED PAMar 9, 2006abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.0/304ENERGO-PROENERGO - PRO a.s.ASSIGNED PAAug 18, 2026abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.4/304VilgainVilgain s.r.o.ASSIGNED PAAug 18, 2026abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.8/298GoEuro-CRGoEuro Czech Republic s.r.o.ASSIGNED PASep 2, 2010abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.16/298CISARLLUNETRadek CisarASSIGNED PAAug 1, 2006abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.24/298KREONETKREO, a.s.ASSIGNED PAApr 17, 2009abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.32/298DaE-stavebni-uradDopravni a energeticky stavebni uradASSIGNED PADec 14, 2006abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.40/304CLEMENTHotel CLEMENT s.r.o.ASSIGNED PASep 26, 2013abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.44/304KSB-PUMPY-PRG-NETKSB-PUMPY + ARMATURY s.r.o.ASSIGNED PAJun 21, 2011abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.48/298Top-in-czTop-in.cz, a.s.ASSIGNED PAOct 18, 2011abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.56/298ALS-CR-ADSLNETALS Czech Republic, s.r.o.ASSIGNED PAFeb 2, 2009abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.64/298DARVIS-ADSL-NETDARVIS spol. s r.o.ASSIGNED PAFeb 12, 2007abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.72/298CLEMENTHotel CLEMENT s.r.o.ASSIGNED PASep 26, 2013abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.80/2816RSJ-ServicesRSJ Services s.r.o.ASSIGNED PAJul 11, 2013abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.96/298AUFEER-DESIGNAUFEER DESIGN, s.r.o.ASSIGNED PASep 26, 2013abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.104/298IGSOFT-LLUIG-SOFT s.r.o.ASSIGNED PAOct 9, 2009abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.112/298Piovan-CRPiovan Czech Republic s.r.o.ASSIGNED PAApr 10, 2013abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.120/298SCOPE-INT-PRAHASCOPE INTERNATIONAL PRAHA, s.r.o.ASSIGNED PAJun 26, 2007abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.128/2732Skype-CRSkype Czech Republic s.r.o.ASSIGNED PAFeb 18, 2015abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.160/298EUROCONTADSLNETEUROCONT REALITY s.r.o.ASSIGNED PAJun 2, 2008abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.168/298NOPVOICETESTNETNOP Voice testing networkASSIGNED PAJan 19, 2010abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.176/298NOPIPTESTNETNOP IP testing networkASSIGNED PAJan 9, 2008abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.184/298Central-Warehouse-SolutionCentral Warehouse Solution s.r.o.ASSIGNED PAFeb 27, 2014abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.224/2816ANNEXADSLNETAnnex NET, s.r.o.ASSIGNED PAApr 6, 2009abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.8.240/2816MAXPROGRESMAXPROGRES telco, s.r.o.ASSIGNED PANov 28, 2014abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.16.0/24256SUBSCRIBERSNET01PRAHADial Telecom, a.s.ASSIGNED PAFeb 28, 2020abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.17.0/24256SUBSCRIBERSNET02PRAHADial Telecom, a.s.ASSIGNED PAFeb 28, 2020abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.23.160/2732DSLAMTESTNET0DSLAM testsASSIGNED PAOct 26, 2005abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.32.0/24256SUBSCRIBERSNET01BRNODial Telecom, a.s.ASSIGNED PAFeb 28, 2020abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.33.0/24256SUBSCRIBERSNET02BRNODial Telecom, a.s.ASSIGNED PAFeb 28, 2020abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.34.0/24256SUBSCRIBERSNET03BRNODial Telecom, a.s.ASSIGNED PAFeb 28, 2020abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.35.0/24256SUBSCRIBERSNET04BRNODial Telecom, a.s.ASSIGNED PAFeb 28, 2020abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.36.0/24256SUBSCRIBERSNET05BRNODial Telecom, a.s.ASSIGNED PAFeb 28, 2020abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.37.0/24256SUBSCRIBERSNET06BRNODial Telecom, a.s.ASSIGNED PAFeb 28, 2020abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.38.0/24256SUBSCRIBERSNET07BRNODial Telecom, a.s.ASSIGNED PAFeb 28, 2020abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.39.0/24256SUBSCRIBERSNET08BRNODial Telecom, a.s.ASSIGNED PAFeb 28, 2020abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224
└ 83.148.60.0/24256XANETXANET s.r.o.ASSIGNED PANov 1, 2024abuse@dialtelecom.cz
via CZ-QUANTCOM-20040224

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

16,384 addresses
TypeAddressesShareRanges
Internet provider15,12892%6
Residential1,0766.6%12
Business1801.1%20

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
Oct 2017 · 9.1 yr
Origin networks
2
Last change of origin
Oct 2017
Recorded history

History

Handoffs
1