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Data as of Nov 4, 2026

146.0.72.0/21

1 anonymizer address · 0.05% · Datacenter proxy27 residential-proxy exits · 30 days

Hostkey B.V.

Announcement
this exact prefix
RPKI valid
Announced by
AS57043
Type
Hosting
>99% of it

Residential-proxy exits

Proxy exits
27
1.3% of its addresses · 30 days
Oct 5, 2026 – Nov 3, 2026

Exits seen per day

5.0K observations
IPv4 market

Path

1 · Holder
Hostkey B.V.
record created Jul 7, 2011
2 · Leased from
not leased
3 · Announced by
AS57043 Hostkey B.V.
since Jul 2024 · 2.3 yr ago
4 · Use
Hosting
anonymizer space, operator not named

Lineage

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

146.0.72.0/21

From the registry to its use

  1. Jul 7, 2011
    Registry record
    Hostkey B.V.
    ALLOCATED PA
    146.0.72.0/21
  2. Aug 6, 2011– Nov 1, 2015
    Announced
    AS57043 Hostkey B.V.
    Hosting
  3. May 22, 2012
    Route object
    AS57043 Hostkey B.V.
    RIPE route object for AS57043 Hostkey B.V., maintainer HOSTKEY-MNT
  4. Jul 4, 2024– today
    Announced
    AS57043 Hostkey B.V.
    Hosting

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

PrefixOriginTypeAnonymizer addressesHolderRPKI
146.0.72.0/24
since Aug 2016
AS57043HostingHostkey B.V.
146.0.73.0/24
since Aug 2016
AS57043Hosting10.39%Datacenter proxyHostkey B.V.
146.0.74.0/24
since Aug 2016
AS57043HostingHostkey B.V.
146.0.75.0/24
since Aug 2016
AS57043HostingHostkey B.V.
146.0.76.0/24
since Aug 2016
AS57043HostingHostkey B.V.
146.0.77.0/24
since Aug 2016
AS57043HostingHostkey B.V.
146.0.78.0/24
since Aug 2016
AS57043HostingHostkey B.V.
146.0.79.0/24
since Aug 2016
AS57043HostingHostkey B.V.

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
146.0.72.0/212,048NL-HOSTKEY-20110707Hostkey B.V. (ORG-HB14-RIPE) · NLALLOCATED PAJul 7, 2011[email protected]
└ 146.0.72.0 - 146.0.72.128129HOSTKEY-NETunknownASSIGNED PAMar 27, 2012[email protected]
via NL-HOSTKEY-20110707
└ 146.0.72.129 - 146.0.72.255127HOSTKEY-NETunknownASSIGNED PAAug 11, 2014[email protected]
via NL-HOSTKEY-20110707
└ 146.0.73.0 - 146.0.73.8182HOSTKEY-NETunknownASSIGNED PAJan 24, 2019[email protected]
via NL-HOSTKEY-20110707
└ 146.0.73.107 - 146.0.73.1148HOSTKEY-NETunknownASSIGNED PAJan 24, 2019[email protected]
via NL-HOSTKEY-20110707
└ 146.0.73.122 - 146.0.73.1276HOSTKEY-NETunknownASSIGNED PAJan 24, 2019[email protected]
via NL-HOSTKEY-20110707
└ 146.0.73.128 - 146.0.73.18760HOSTKEY-NETunknownASSIGNED PANov 18, 2016[email protected]
via NL-HOSTKEY-20110707
└ 146.0.74.0/25128HOSTKEY-NETunknownASSIGNED PAAug 11, 2014[email protected]
via NL-HOSTKEY-20110707
└ 146.0.74.128 - 146.0.74.17245HOSTKEY-NETunknownASSIGNED PAAug 11, 2014[email protected]
via NL-HOSTKEY-20110707
└ 146.0.74.173 - 146.0.74.20129HOSTKEY-NETunknownASSIGNED PAAug 11, 2014[email protected]
via NL-HOSTKEY-20110707
└ 146.0.74.202 - 146.0.74.25554HOSTKEY-NETunknownASSIGNED PAAug 11, 2014[email protected]
via NL-HOSTKEY-20110707
└ 146.0.75.0 - 146.0.75.128129HOSTKEY-NETunknownASSIGNED PAJul 1, 2019[email protected]
via NL-HOSTKEY-20110707
└ 146.0.75.129 - 146.0.75.230102HOSTKEY-NETunknownASSIGNED PANov 19, 2018[email protected]
via NL-HOSTKEY-20110707
└ 146.0.75.231 - 146.0.75.2344HOSTKEY-NETunknownASSIGNED PANov 19, 2018[email protected]
via NL-HOSTKEY-20110707
└ 146.0.75.235 - 146.0.75.24511HOSTKEY-NETunknownASSIGNED PANov 20, 2018[email protected]
via NL-HOSTKEY-20110707
└ 146.0.75.246 - 146.0.75.2494HOSTKEY-NETunknownASSIGNED PAJan 21, 2019[email protected]
via NL-HOSTKEY-20110707
└ 146.0.75.250 - 146.0.75.2556HOSTKEY-NETunknownASSIGNED PANov 20, 2018[email protected]
via NL-HOSTKEY-20110707
└ 146.0.76.0/24256HOSTKEY-NETunknownASSIGNED PAJan 24, 2019[email protected]
via NL-HOSTKEY-20110707
└ 146.0.77.0/25128HOSTKEY-NETunknownASSIGNED PAAug 31, 2017[email protected]
via NL-HOSTKEY-20110707
└ 146.0.77.192/2664HOSTKEY-NETunknownASSIGNED PAAug 31, 2017[email protected]
via NL-HOSTKEY-20110707
└ 146.0.78.0/25128HOSTKEY-NETunknownASSIGNED PAAug 11, 2014[email protected]
via NL-HOSTKEY-20110707
└ 146.0.78.128 - 146.0.78.22295HOSTKEY-NETunknownASSIGNED PAFeb 10, 2017[email protected]
via NL-HOSTKEY-20110707
└ 146.0.79.0/24256HOSTKEY-NETunknownASSIGNED PAMar 27, 2012[email protected]
via NL-HOSTKEY-20110707

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%9
Datacenter proxyanonymizer10.05%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS57043

NL
Name
Hostkey B.V.
Type
Hosting
Registered
Jul 7, 2011
Domain
hostkey.com
Website
www.hostkey.com
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed