$ query “AS51430” --type=asn → 1 result(s)
AS51430 · ALTUS
AltusHost B.V.
AS51430 is owned by AltusHost B.V. and is a hosting access provider, registered in the Netherlands since 2010. The system announces a respectable 20 480 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the Netherlands, with additional presence in Sweden and Switzerland, and smaller footprints in 3 additional countries.
Basic Information
- Country
- 🇳🇱 Netherlands
- Category
- Hosting
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- August 20, 2010
- Last Changed
- March 04, 2026
- Last Seen
- May 01, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 55 / 22
- IPv6 Prefixes (raw / aggregated)
- 20 / 14
- IPv4 Addresses
- 20 480
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Largest IPv6 Prefix
- /31
- Geolocated Countries
- 🇳🇱 Netherlands (20 032 IPs), 🇸🇪 Sweden (17 152 IPs), 🇨🇭 Switzerland (4 608 IPs) and 3 more
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 4 flagged IPs out of 20 480 total (0.02%)
Connectivity Summary
- Upstream Providers
- 6 upstreams providing transit
- Peers
- 34 networks exchanging traffic without transit
- Downstream Customers
- 4 downstreams buying transit
- Degree
- 44 unique BGP neighbors
- Reach
- 5 networks in customer cone
Upstream Providers (6)
Prefix Lists
IPv4 Prefixes (55 total)
- 37.46.112.0/20 (4 096 addresses (/20 prefix))
- 79.142.64.0/20 (4 096 addresses (/20 prefix))
- 31.3.152.0/21 (2 048 addresses (/21 prefix))
- 213.5.64.0/21 (2 048 addresses (/21 prefix))
- 128.127.104.0/21 (2 048 addresses (/21 prefix))
- 185.10.56.0/22 (1 024 addresses (/22 prefix))
- 185.2.28.0/22 (1 024 addresses (/22 prefix))
- 185.7.34.0/23 (512 addresses (/23 prefix))
- 82.25.247.0/24 (256 addresses (/24 prefix))
- 91.214.47.0/24 (256 addresses (/24 prefix))
- 82.24.247.0/24 (256 addresses (/24 prefix))
- 82.26.232.0/24 (256 addresses (/24 prefix))
- 82.26.247.0/24 (256 addresses (/24 prefix))
- 82.27.228.0/24 (256 addresses (/24 prefix))
- 82.27.247.0/24 (256 addresses (/24 prefix))
- 82.25.240.0/24 (256 addresses (/24 prefix))
- 82.23.237.0/24 (256 addresses (/24 prefix))
- 176.67.83.0/24 (256 addresses (/24 prefix))
- 82.23.230.0/24 (256 addresses (/24 prefix))
- 82.23.201.0/24 (256 addresses (/24 prefix))
- 82.22.247.0/24 (256 addresses (/24 prefix))
- 82.21.212.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (20 total)
- 2a00:7142::/31
- 2a00:7144::/32
- 2a05:e9c0:2200::/40
- 2a00:7147:e4::/46
- 2a00:7147:e2::/47
- 2a00:7147:e8::/47
- 2a00:7145:c1::/48
- 2a00:7147:a9::/48
- 2a00:7147:e1::/48
- 2a00:7147:22::/48
- 2a00:7146::/48
- 2a00:7145:c2::/48
- 2a00:7147:e10::/48
- 2a00:7145::/48