AS51430 ALTUS AltusHost B.V.

ALTUS AltusHost B.V. · registered in the Netherlands

IPv4 addresses20,48022 prefixes · <0.001% of announced IPv4

Rank in Netherlands#96largest network in NL by IPv4 space, of 1,026 · 0.05% of NL

Rank worldwide#6,040of 79,396 networks with IPv4

IPv63 x /32 (196,881 x /48)15 prefixes

CountryNetherlands1,098 ASNs registered there

Open AS51430 in ASN lookup Look up an IP in this network (31.3.152.1) All networks in Netherlands

IPv4 prefixes

All 22 prefixes, in address order.

31.3.152.0/21
37.46.112.0/20
79.142.64.0/20
82.21.212.0/24
82.22.247.0/24
82.23.201.0/24
82.23.230.0/24
82.23.237.0/24
82.24.247.0/24
82.25.240.0/24
82.25.247.0/24
82.26.232.0/24
82.26.247.0/24
82.27.228.0/24
82.27.247.0/24
91.214.47.0/24
128.127.104.0/21
176.67.83.0/24
185.2.28.0/22
185.7.34.0/23
185.10.56.0/22
213.5.64.0/21

IPv6 prefixes

All 15 prefixes.

2a00:7142::/31
2a00:7144::/32
2a00:7145::/48
2a00:7145:c1::/48
2a00:7145:c2::/48
2a00:7146::/48
2a00:7147:22::/48
2a00:7147:a9::/48
2a00:7147:e1::/48
2a00:7147:e2::/47
2a00:7147:e4::/46
2a00:7147:e8::/47
2a00:7147:e10::/48
2a05:e9c0:2200::/40
2a0c:bf81::/48

Similar-sized networks in Netherlands

ASNNameIPv4 addresses

AS60142#93 NXP-INTERNET NXP Semiconductors Netherlands B.V.20,992

AS47690#94 TNGNET TNGNET B.V.20,736

AS206238#95 FREEDOMINTERNET Freedom Internet BV20,480

AS5524#97 BREEDBANDNEDERLAND Signet B.V.19,712

AS39704#98 CJ2-AS CJ2 Hosting B.V.19,456

AS48083#99 GETRONICS_AS GTN Services B.V.18,944

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