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Autonomous System

AS51430

AltusHost B.V.

Announced IPs
20,480
CIDR prefixes
22
ASN
AS51430

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Enterprise
Geographic scope Europe
Traffic ratio Balanced
Peering policy Open
IRR record RIPE::AS-AHN

Present at 2 internet exchanges: STHIX - Stockholm: STH Peering, Speed-IX: SPEED-IX

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
37.46.112.0/20 4.1K
99.1%
AltusHost B.V. NL North Holland Amsterdam
79.142.64.0/20 4.1K
85.3%
AltusHost B.V. NL North Holland Amsterdam
31.3.152.0/21 2.0K
97.8%
AltusHost B.V. NL — —
128.127.104.0/21 2.0K
86.7%
AltusHost B.V. NL — —
213.5.64.0/21 2.0K
76.7%
AltusHost B.V. NL — —
31.3.152.0/22 1.0K
95.6%
AltusHost B.V. SE Stockholm County Stockholm
37.46.124.0/22 1.0K
99.2%
AltusHost B.V. NL — —
79.142.64.0/22 1.0K
74.9%
AltusHost B.V. NL North Holland Amsterdam
79.142.72.0/22 1.0K
80.4%
AltusHost B.V. NL — —
128.127.108.0/22 1.0K
99.0%
AltusHost B.V. NL — —
185.2.28.0/22 1.0K
99.0%
AltusHost B.V. NL North Holland Amsterdam
185.10.56.0/22 1.0K
99.5%
AltusHost B.V. NL — —
31.3.158.0/23 512
100.0%
AltusHost B.V. SE Stockholm County Stockholm
37.46.112.0/23 512
99.0%
AltusHost B.V. NL — —
37.46.120.0/23 512
99.0%
AltusHost B.V. SE Stockholm County Stockholm
37.46.122.0/23 512
99.6%
AltusHost B.V. NL North Holland Amsterdam
79.142.76.0/23 512
99.6%
AltusHost B.V. SE Stockholm County Stockholm
128.127.104.0/23 512
98.6%
AltusHost B.V. SE Stockholm County Stockholm
128.127.106.0/23 512
50.0%
AltusHost B.V. NL North Holland Amsterdam
185.2.30.0/23 512
99.0%
AltusHost B.V. NL North Holland Amsterdam
185.7.34.0/23 512
3.7%
AltusHost B.V. NL — —
31.3.156.0/24 256
100.0%
AltusHost B.V. RS Belgrade Belgrade
31.3.157.0/24 256
100.0%
AltusHost B.V. BG — —
37.46.114.0/24 256
99.2%
AltusHost B.V. BG Sofia-Capital Sofia
37.46.115.0/24 256
99.2%
AltusHost B.V. RS Belgrade Belgrade
37.46.116.0/24 256
98.8%
AltusHost B.V. RS Belgrade Belgrade
37.46.117.0/24 256
97.7%
AltusHost B.V. BG Sofia-Capital Sofia
37.46.118.0/24 256
99.2%
AltusHost B.V. BG Sofia-Capital Sofia
37.46.119.0/24 256
99.2%
AltusHost B.V. CH Zurich Zurich
79.142.68.0/24 256
99.6%
AltusHost B.V. NL — —
79.142.69.0/24 256
46.1%
AltusHost B.V. CH Zurich Zurich
79.142.70.0/24 256
99.2%
AltusHost B.V. BG Sofia-Capital Sofia
79.142.71.0/24 256
100.0%
AltusHost B.V. NL — —
79.142.78.0/24 256
99.6%
AltusHost B.V. SE Stockholm County Stockholm
79.142.79.0/24 256
100.0%
AltusHost B.V. CH Zurich Zurich
82.21.212.0/24 256
0.0%
AltusHost B.V. GB — —
82.22.247.0/24 256
0.0%
AltusHost B.V. GB — —
82.23.201.0/24 256
0.0%
AltusHost B.V. GB — —
82.23.230.0/24 256
0.0%
AltusHost B.V. GB — —
82.23.237.0/24 256
0.0%
AltusHost B.V. GB — —
82.24.247.0/24 256
0.0%
AltusHost B.V. GB — —
82.25.240.0/24 256
0.0%
AltusHost B.V. GB — —
82.25.247.0/24 256
0.0%
AltusHost B.V. GB — —
82.26.232.0/24 256
0.0%
AltusHost B.V. GB — —
82.26.247.0/24 256
0.0%
AltusHost B.V. GB — —
82.27.228.0/24 256
0.0%
AltusHost B.V. GB — —
82.27.247.0/24 256
0.0%
AltusHost B.V. GB — —
91.214.47.0/24 256
100.0%
AltusHost B.V. NL — —
176.67.83.0/24 256
0.0%
AltusHost B.V. US — —
185.2.28.0/24 256
99.6%
AltusHost B.V. SE Stockholm County Stockholm
185.2.29.0/24 256
98.4%
AltusHost B.V. NL North Holland Amsterdam
185.7.34.0/24 256
0.0%
AltusHost B.V. CH Zurich Zurich
185.7.35.0/24 256
7.4%
AltusHost B.V. NL — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS51430 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
82.27.247.0/24 600,987 2026-10-04 20:19:10
82.22.247.0/24 59,975 2026-10-04 20:19:10
82.25.247.0/24 51,639 2026-10-04 20:19:10
82.26.247.0/24 45,903 2026-10-04 20:19:10
82.24.247.0/24 41,731 2026-10-04 20:19:10
82.23.237.0/24 40,862 2026-10-04 20:19:10
128.127.108.0/24 32,982 2026-10-04 20:19:05
213.5.64.0/21 31,714 2026-10-04 20:10:35
31.3.152.0/22 27,949 2026-10-04 20:19:31
37.46.114.0/24 27,925 2026-10-04 20:19:54
37.46.118.0/24 27,918 2026-10-04 20:19:48
79.142.76.0/23 27,804 2026-10-04 20:19:31
79.142.70.0/24 27,789 2026-10-04 20:19:54
31.3.158.0/23 27,777 2026-10-04 20:19:31
37.46.120.0/24 27,724 2026-10-04 20:19:31
37.46.121.0/24 27,720 2026-10-04 20:19:31
79.142.78.0/24 27,621 2026-10-04 20:19:31
128.127.104.0/23 27,346 2026-10-04 20:19:31
185.2.28.0/24 26,276 2026-10-04 20:19:31
176.67.83.0/24 24,876 2026-10-04 20:19:10
37.46.115.0/24 23,936 2026-10-04 20:19:10
37.46.116.0/24 23,917 2026-10-04 20:19:10
31.3.156.0/24 23,204 2026-10-04 20:19:10
79.142.73.0/24 17,040 2026-10-04 20:19:10
128.127.110.0/23 16,976 2026-10-04 20:19:10
79.142.71.0/24 16,976 2026-10-04 20:19:10
79.142.72.0/24 16,959 2026-10-04 20:19:10
79.142.68.0/24 16,958 2026-10-04 20:19:10
128.127.109.0/24 16,883 2026-10-04 20:19:10
37.46.117.0/24 16,863 2026-10-04 20:19:10
185.7.35.0/24 16,785 2026-10-04 20:19:10
79.142.74.0/23 16,743 2026-10-04 20:19:10
31.3.157.0/24 16,738 2026-10-04 20:19:10
79.142.64.0/22 16,728 2026-10-04 20:19:10
185.2.29.0/24 16,727 2026-10-04 20:19:10
185.2.31.0/24 16,702 2026-10-04 20:19:10
128.127.106.0/23 16,577 2026-10-04 20:19:10
37.46.124.0/22 16,521 2026-10-04 20:19:10
185.10.56.0/22 16,452 2026-10-04 20:19:10
37.46.112.0/24 15,830 2026-10-04 20:19:10
37.46.123.0/24 15,386 2026-10-04 20:19:10
91.214.47.0/24 15,333 2026-10-04 20:19:10
79.142.79.0/24 13,131 2026-10-04 19:38:59
79.142.69.0/24 12,952 2026-10-04 19:38:59
185.7.34.0/24 12,881 2026-10-04 19:40:02
37.46.119.0/24 12,596 2026-10-04 19:38:26
82.23.230.0/24 12,253 2026-10-04 19:39:00
82.26.232.0/24 12,053 2026-10-04 19:39:01
82.25.240.0/24 11,784 2026-10-04 19:39:01
82.27.228.0/24 11,698 2026-10-04 19:39:01

Showing top 50 of 56 announced prefixes by sample volume.

Frequently Asked Questions

What is AS51430?

AS51430 is an Autonomous System Number assigned to AltusHost B.V.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS51430 announce?

AS51430 announces 20.5K IPv4 addresses distributed across 22 routed CIDR prefixes. The network is registered in The Netherlands.

Who operates AS51430?

AS51430 is operated by AltusHost B.V.. The organization is based in The Netherlands. You can view all IP ranges and related ASNs on the organization page.

What country is AS51430 registered in?

AS51430 is registered in The Netherlands. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-10-04 20:24:05 UTC
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