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Data as of Nov 6, 2026

37.221.208.0/21

1 anonymizer address · 0.05% · Tor exit18 residential-proxy exits · 30 days

ATW Internet Kft.

Announcement
this exact prefix
No RPKI
Announced by
AS41075
Type
Hosting
>99% of it

Residential-proxy exits

Proxy exits
18
0.88% of its addresses · 30 days
Spread
6 of 8
/24s with at least one exit
Providers
46
selling exits here
Oct 7, 2026 – Nov 5, 2026

Exits seen per day

478 observations
  • Tor exit · anonymizer
  • Hosting

/24s with the most always-on exits

/24Always-on exitsProxy exits
37.221.211.0/2407
37.221.209.0/2404
37.221.208.0/2403
37.221.210.0/2402
37.221.212.0/2401
37.221.215.0/2401

Proxy providers listing exits

  • 711Proxy
  • Ake.net
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • Datarama
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FlashProxy
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GoProxies
  • GonzoProxy
  • HydraProxy
  • IPFly
  • IPPeak
  • Infatica
  • InfiniteProxies
  • KindProxy
  • Kookey
  • LemonLabs
  • LemonPrime
  • MagneticProxy
  • MangoProxy
  • NextProxy
  • NodeProxy
  • NovaProxy
  • Oxylabs
  • ProxiesVision
  • Proxy-Seller
  • ProxyEmpire
  • ProxyGeo
  • ProxyWing
  • Proxyma
  • PuraRoute
  • RainProxy
  • Shifter
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VitalExclusive
IPv4 market

Path

1 · Holder
ATW Internet Kft.
record created Apr 10, 2012
2 · Leased from
not leased
3 · Announced by
AS41075 ATW Internet Kft.
since Jun 2013 · 13.4 yr ago
4 · Use
named Tor
Hosting

Operators, sellers and brokers

Tor

NameParentIn 37.221.208.0/21/24s
TorThe Tor Project
10.05%
1

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

37.221.208.0/21

From the registry to its use

  1. Apr 10, 2012
    Registry record
    ATW Internet Kft.
    ALLOCATED PA
    37.221.208.0/21
  2. Sep 11, 2012
    Route object
    AS41075 ATW Internet Kft.
    RIPE route object for AS41075 ATW Internet Kft., maintainer MNT-ATW
  3. Jun 15, 2013– today
    Announced
    AS41075 ATW Internet Kft.
    Hosting
  4. today
    Used
    Tor
    Tor

Announcements

More specific

Announcements inside

PrefixOriginTypeAnonymizer addressesOperatorProxy exitsHolderRPKI
37.221.208.0/22
since Jan 2020
AS41075Hosting10.10%Tor exitoperated by Tor16ATW Internet Kft.
37.221.212.0/22
since Jan 2020
AS41075Hosting2ATW Internet Kft.

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
37.221.208.0/212,048HU-ATW-20120410ATW Internet Kft. (ORG-AIK1-RIPE) · HUALLOCATED PAApr 10, 2012abuse@atw.co.hu
└ 37.221.209.0/2664ATW-DDOS-209-1DDoS protected hostingASSIGNED PAJan 8, 2020abuse@atw.co.hu
via HU-ATW-20120410
└ 37.221.209.64/2732SYSTECH-GLOBAL-2SYSTECH GLOBAL KftASSIGNED PADec 31, 2013abuse@atw.co.hu
via HU-ATW-20120410
└ 37.221.209.96 - 37.221.209.255160ATW-DDOS-209-2DDoS protected hostingASSIGNED PAJan 8, 2020abuse@atw.co.hu
via HU-ATW-20120410
└ 37.221.210.0/24256ATW-DDOS-210DDoS protected hostingASSIGNED PAJan 8, 2020abuse@atw.co.hu
via HU-ATW-20120410
└ 37.221.213.0/24256ATW-VPS-213ATW VPS hostingASSIGNED PAJan 8, 2020abuse@atw.co.hu
via HU-ATW-20120410
└ 37.221.214.0/24256ATW-DDOS-214DDoS protected hostingASSIGNED PAJan 8, 2020abuse@atw.co.hu
via HU-ATW-20120410

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

2,048 addresses
TypeAddressesShareRanges
Hosting2,047>99%3
Tor exitanonymizer10.05%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS41075

HU
Name
ATW Internet Kft.
Type
Hosting
Registered
Jun 9, 2006
Domain
atw.hu
Website
atw.hu
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed
Tor exits
7