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6 dimensions · leaks / fingerprint / consistency

ASN lookup result for AS57043 Hostkey B.V. — network size, BGP routing and registration

NLAS57043Hostkey B.V.IDC
WHOIS Topology

Netherlands · RIPE NCChostkey.com

Tor relaysVPN servicesVPS hosting

IPv4 addresses

165,120

646 announced prefixes

IPv6 addresses

7.92 × 10²⁹

7 announced prefixes

BGP neighbours

…

CAIDA rank

#1,211

Customer cone 30 ASNs

Estimated users

77.1K

APNIC: 76.8K

RPKI

94% valid

12 invalid · 28 not covered

Average purity

71

198 sampled IPs

IXPs / facilities

21 / 20

Operator self-reported

History

How prefixes were announced and changed hands, registration changes, and outage or hijack incidents.

Loading routing history…

IP ranges

Currently announced prefixes with their RIR registration and geolocation.

PrefixRPKIRegistrationGeolocationAddresses
5.39.216.0/21ValidNLNL-HOSTKEY-20120516RIPENLAmsterdam2,048
46.17.96.0/21ValidNLNL-HOSTKEY-20101018RIPENLAmsterdam2,048
146.0.72.0/21ValidNLNL-HOSTKEY-20110707RIPENLAmsterdam2,048
31.207.44.0/22ValidNLNL-HOSTKEY-20110502RIPENLAmsterdam1,024
43.245.224.0/22ValidSTUB-43-245-224SLASH22APNICNLAmsterdam1,024
66.248.204.0/22ValidNLNL-HOSTKEY-20121203RIPENLAmsterdam1,024
176.222.52.0/22ValidNLNL-HOSTKEY-20190828RIPENLAmsterdam1,024
185.70.184.0/22ValidNLNL-HOSTKEY-20140919RIPENLAmsterdam1,024
185.130.224.0/22ValidNLNL-HOSTKEY-20151211RIPENLAmsterdam1,024
186.246.44.0/22ValidNLNL-SPRINTHOST-5RIPENLAmsterdam-Zuidoost1,024
191.44.40.0/22ValidDEDE-SPRINTHOST-3RIPEDEPullenreuth1,024
45.83.122.0/23Not foundNLProHoster-LXDRIPEVGBritish Virgin IslandsCross-border512
46.8.186.0/23ValidNLDADDYCLOUD-NLRIPECZPragueCross-border512
185.212.128.0/23InvalidNLProHoster-OVZRIPEVGBritish Virgin IslandsCross-border512
193.109.68.0/23ValidNLNL-HOSTKEYRIPENLAmsterdam512
2.27.86.0/24ValidDEinterlirRIPEDEFrankfurt am Main256
2.27.127.0/24ValidFIipxoRIPEUSUnited StatesCross-border256
2.57.242.0/24ValidFISnowd-Security-OURIPEFIHelsinki256
2.57.243.0/24ValidFISnowd-Security-OURIPEFIHelsinki256
5.39.216.0/24ValidNLNL-HOSTKEY-20120516RIPENLAmsterdam256

Only the first 500 prefixes are listed; address counts and geography use all prefixes.

/24 block profile

One square per /24: colour shows the risk type, shade how many addresses are flagged, stripes mark datacenter blocks. Click a square to see all 256 addresses.

/24s with data 242 / 645 （38%） · flagged 209

No risk flagsDatacenter (no flags)ProxyVPNAbuse / blocklistTorDarker = more flagged addresses; dashed = block screen only

46.17.96.0/217/8 with data · 6 flagged

5.39.216.0/215/8 with data · 4 flagged

186.246.44.0/224/4 with data · 4 flagged

146.0.72.0/213/8 with data · 3 flagged

185.70.184.0/223/4 with data · 3 flagged

185.130.224.0/223/4 with data · 2 flagged

66.248.204.0/222/4 with data · 2 flagged

176.222.52.0/222/4 with data · 2 flagged

185.212.128.0/232/2 with data · 2 flagged

31.207.44.0/221/4 with data · 1 flagged

43.245.224.0/221/4 with data · 1 flagged

191.44.40.0/221/4 with data · 0 flagged

Hover a square for its numbers; click to see all 256 addresses.

Each prefix shows its 64 /24s with the most data. Built daily from lookups, neighbour sampling, public lists and block screening.

IP reputation

IPs from this network that CleanIP has analysed: purity, abuse reports and the riskiest /24 blocks.

Purity distribution

85–100 170–84 15350–69 340–49 10

3.16%

Share of IPv4 reported or blocklisted

4,951

Listed IPs

198

Analysed IPs

Flagged = VPN, proxy, Tor or purity below 50. Samples come from user lookups and neighbour sampling, not every address in this network.

Geography

Where this network’s IPv4 addresses are located.

  • NL Netherlands
  • DE Germany
  • FI Finland
  • GB United Kingdom
  • VG British Virgin Islands
  • US United States
Scope
Global
In registered country
37.7%

Estimated by sampling IPv4 ranges against a geolocation database.

Traffic observation

AS57043 · Last 7 days
Mobile vs. Desktop
Desktop 87.9%Mobile 12.1%
Desktop87.9%Mobile12.1%
Bot vs. Human
Human 15.0%Bot 85.0%
Human15.0%Bot85.0%

Adoption & Usage

Adoption and usage of key protocols

Internet Protocol (IP) Version
IPv4 > 99.9%IPv6 < 0.1%< 0.1%IPv6
IPv4> 99.9%IPv6< 0.1%
HTTP Version
HTTP/1.x
51.1%HTTP/2
42.7%HTTP/3
6.1%
HTTP vs. HTTPS
98.2% HTTPS (encrypted)
Plain HTTP 1.8%
TLS Version
TLS 1.0/1.1< 0.1%TLS 1.25.7%TLS 1.388.0%QUIC6.2%

Security & Attacks

Insights into network and application layer attack traffic

Layer 7 Attacks
GET
72.6%POST
13.6%HEAD
13.5%OPTIONS
0.2%Other
0.1%

BGP Announcements

Hourly BGP route announcements over the last 7 days

9,467,276
7-day total
564,130
Hourly peak

Data: Cloudflare Radar, licensed under CC BY-NC 4.0

Activity

Hourly traffic over the last 7 days, normalized to this network’s peak.

Fairly flat around the clock, typical of server or hosting networks.

00061218
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Times in UTCLessMore
Peak hour
14:00–15:00
Active hours
24 hrs
Weekend vs weekday
Weekdays ≈ weekends
Busiest day
Tue

Datacenter Presence

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BGP upstreams and neighbours

AS57043Standalone page
Loading upstreams and neighbours…

WHOIS record

The registry’s record for this AS number: holder, status, dates and contacts.

Sources

Where the information on this page comes from and when it was updated.

InformationSourceUpdated
Registered countryRIR daily delegation statistics2026-10-22
Registered address & allocation dateRIR registration data (RDAP)2026-10-07
Organization & company countryAS-to-organization data2026-10-21
Network typeCleanIP ASN canon2026-10-22
Exchanges & facilitiesOperator self-reported interconnection data2026-10-21
Announced prefixes & BGP neighboursPublic BGP routing data2026-10-22
IPv4 geographyGeolocation database—
RPKI validationRPKI ROA validation data2026-10-22
Rank & customer coneCAIDA AS Rank2026-10-01
Estimated users (APNIC)APNIC Labs user estimates2026-10-20
Network tagsPublic routing data community tags2026-10-22
IP reputationCleanIP lookups and neighbour sampling—

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Multi-source cross-checks · In-house reputation data · Real data only

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