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AS57043
AS57043 HOSTKEY-AS HOSTKEY B.V.
HOSTKEY-AS HOSTKEY B.V. · registered in the Netherlands
IPv4 addresses 160,768 488 prefixes · 0.005% of announced IPv4
Rank in Netherlands #22 largest network in NL by IPv4 space, of 1,026 · 0.36% of NL
Rank worldwide #1,259 of 79,396 networks with IPv4
IPv6 10 x /32 (655,649 x /48) 7 prefixes
IPv6 prefixes
All 7 prefixes.
2a05:b40::/32 2a05:b41:100::/40 2a05:b42::/32 2a0c:b641:330::/44 2a0e:e6c0:8000::/44 2a0f:e7c4:10::/48 2a11:3500::/29
Similar-sized networks in Netherlands
ASN Name IPv4 addresses
AS20857 #19 TRANSIP-AS Signet B.V.175,872
AS12414 #20 NL-SOLCON Solcon Internetdiensten B.V.171,264
AS15879 #21 KPN-INTERNEDSERVICES Vancis IP B.V.165,888
AS48037 #23 SSO-ICT SSC-ICT Haaglanden146,432
AS39647 #24 REDHOSTING-AS Enreach Netherlands B.V.122,624
AS49544 #25 i3Dnet i3D.net B.V116,992
IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources