Autonomous System

AS57043

Hostkey B.v.

Hostkey B.v. The Netherlands 🌐 hostkey.com

Announced IPs

161,536

CIDR prefixes

485

ASN

AS57043

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.

57/100

Caution

How this score is built

Baseline (neutral) 65
Active-threat / abuse risk −12
Enterprise allocation +4
Trust score 57 / 100

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

⚠ 27 MOAS prefixes — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS57043 is now also announced by another ASN (MOAS — Multiple-Origin AS), detected from our RIPE RIS collectors. Often benign (anycast, multi-homing, or a recent transfer) — but it can signal a route leak or prefix hijack, so it's worth inspecting.

Prefix	Origin ASNs	Last detected (UTC)
185.212.131.0/24	AS57043, AS200313	2026-10-27 10:51:36
45.12.34.0/24	AS57043, AS200313	2026-10-27 10:51:36
45.83.120.0/24	AS57043, AS200313	2026-10-27 10:51:36
185.212.130.0/24	AS57043, AS200313	2026-10-27 10:51:36
185.217.138.0/24	AS57043, AS200313	2026-10-27 10:51:36
185.212.128.0/23	AS57043, AS200313	2026-10-27 10:51:36
45.83.121.0/24	AS57043, AS200313	2026-10-27 10:51:36
195.43.128.0/24	AS57043, AS200313	2026-10-27 10:51:36
45.142.2.0/24	AS57043, AS200313	2026-10-27 10:51:36
195.42.248.0/24	AS57043, AS200313	2026-10-27 10:51:36
185.217.139.0/24	AS57043, AS200313	2026-10-27 10:51:36
45.88.2.0/24	AS57043, AS200313	2026-10-27 10:51:36
185.238.0.0/24	AS57043, AS200313	2026-10-27 10:51:36
185.232.52.0/24	AS57043, AS200313	2026-10-27 10:51:36
45.88.1.0/24	AS57043, AS200313	2026-10-27 10:51:36

Showing the 15 most recently detected of 27 MOAS prefixes. Many multi-origin prefixes on large networks are benign (anycast); see all MOAS anomalies.

Network profile

Source: PeeringDB →

Network type Content

Traffic level 100-200Gbps

Geographic scope Global

Traffic ratio Mostly Outbound

Peering policy Open

IRR record AS-HOSTKEYBV

Present at 21 internet exchanges: AMS-IX, Speed-IX: SPEED-IX, GNM-IX, Global-IX, Frys-IX, INTERIX, PITER-IX Saint-Petersburg: SPB_PEERING_VLAN, ERA-IX Amsterdam, PITER-IX Helsinki, PITER-IX Moscow: MSK_PEERING_VLAN, …

Website ↗ Looking glass ↗

Web3 footprint

AS57043 hosts 26 observed decentralized-network nodes across 5 networks. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

GNO Gnosis 8 ◎ Solana 7 Ξ Ethereum 6 DOT Polkadot 3 IPFS IPFS 2

AS57043 — global IP footprint

Cities where AS57043 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDR	IPs	PTR Density	Organization	Country	State	City
5.39.216.0/21	2.0K	2.9%	Hostkey B.v.	NL	North Holland	Amsterdam
46.17.96.0/21	2.0K	4.8%	Hostkey B.v.	NL	North Holland	Amsterdam
146.0.72.0/21	2.0K	2.4%	Hostkey B.v.	NL	North Holland	Amsterdam
31.207.44.0/22	1.0K	6.3%	Hostkey B.v.	NL	North Holland	Amsterdam
43.245.224.0/22	1.0K	5.0%	Hostkey B.v.	NL	North Holland	Amsterdam
45.83.120.0/22	1.0K	12.5%	Hostkey B.v.	VG	—	—
66.151.32.0/22	1.0K	2.3%	Hostkey B.v.	NL	North Holland	Amsterdam
66.151.40.0/22	1.0K	3.5%	Hostkey B.v.	NL	—	—
66.248.204.0/22	1.0K	5.5%	Hostkey B.v.	NL	North Holland	Amsterdam
82.38.64.0/22	1.0K	2.0%	Hostkey B.v.	GB	—	—
89.125.0.0/22	1.0K	0.0%	Hostkey B.v.	AE	—	—
147.90.12.0/22	1.0K	3.7%	Hostkey B.v.	NL	—	—
152.114.192.0/22	1.0K	2.1%	Hostkey B.v.	NL	—	—
176.222.52.0/22	1.0K	3.3%	Hostkey B.v.	NL	North Holland	Amsterdam
185.70.184.0/22	1.0K	3.9%	Hostkey B.v.	NL	North Holland	Amsterdam
185.130.224.0/22	1.0K	5.0%	Hostkey B.v.	NL	North Holland	Amsterdam
185.238.0.0/22	1.0K	40.7%	Hostkey B.v.	VG	—	—
186.246.44.0/22	1.0K	1.1%	Hostkey B.v.	HK	—	—
191.44.40.0/22	1.0K	0.3%	Hostkey B.v.	SC	—	—
202.148.52.0/22	1.0K	4.2%	Hostkey B.v.	NL	—	—
212.69.84.0/22	1.0K	4.1%	Hostkey B.v.	NL	North Holland	Amsterdam
212.237.216.0/22	1.0K	3.6%	Hostkey B.v.	NL	—	—
2.57.242.0/23	512	0.0%	Hostkey B.v.	AE	—	—
5.180.172.0/23	512	3.5%	Hostkey B.v.	NL	—	—
31.57.44.0/23	512	0.4%	Hostkey B.v.	AE	—	—
45.12.34.0/23	512	0.0%	Hostkey B.v.	VG	—	—
45.155.102.0/23	512	5.5%	Hostkey B.v.	NL	—	—
46.8.186.0/23	512	0.2%	Hostkey B.v.	CZ	Prague	Prague
62.76.236.0/23	512	0.0%	Hostkey B.v.	CZ	—	—
66.151.32.0/23	512	4.3%	Hostkey B.v.	NL	North Holland	Amsterdam
66.151.34.0/23	512	0.4%	Hostkey B.v.	FI	Uusimaa	Helsinki
66.151.40.0/23	512	3.7%	Hostkey B.v.	DE	Hesse	Frankfurt am Main
77.83.86.0/23	512	0.8%	Hostkey B.v.	EE	—	—
78.17.56.0/23	512	0.2%	Hostkey B.v.	AE	—	—
78.17.104.0/23	512	0.0%	Hostkey B.v.	AE	—	—
78.17.124.0/23	512	0.2%	Hostkey B.v.	AE	—	—
78.17.130.0/23	512	0.2%	Hostkey B.v.	AE	—	—
80.86.216.0/23	512	0.0%	Hostkey B.v.	NO	—	—
82.23.162.0/23	512	2.0%	Hostkey B.v.	GB	—	—
82.23.248.0/23	512	1.6%	Hostkey B.v.	GB	—	—
82.25.60.0/23	512	2.7%	Hostkey B.v.	GB	—	—
82.26.150.0/23	512	3.9%	Hostkey B.v.	GB	—	—
82.38.70.0/23	512	1.4%	Hostkey B.v.	GB	—	—
82.40.56.0/23	512	2.3%	Hostkey B.v.	GB	—	—
89.125.2.0/23	512	0.0%	Hostkey B.v.	FI	Uusimaa	Helsinki
89.125.18.0/23	512	0.0%	Hostkey B.v.	AE	—	—
89.125.60.0/23	512	3.9%	Hostkey B.v.	AE	—	—
89.125.90.0/23	512	0.0%	Hostkey B.v.	AE	—	—
89.125.122.0/23	512	0.2%	Hostkey B.v.	AE	—	—
91.229.104.0/23	512	33.8%	Hostkey B.v.	AE	—	—
103.7.54.0/23	512	2.1%	Hostkey B.v.	NL	North Holland	Amsterdam
109.66.238.0/23	512	0.0%	Hostkey B.v.	IL	—	—
109.66.240.0/23	512	0.0%	Hostkey B.v.	IL	—	—
109.66.244.0/23	512	0.0%	Hostkey B.v.	IL	—	—
109.248.16.0/23	512	0.0%	Hostkey B.v.	CZ	—	—
132.243.234.0/23	512	5.7%	Hostkey B.v.	CY	—	—
147.90.10.0/23	512	2.0%	Hostkey B.v.	NL	North Holland	Amsterdam
148.135.184.0/23	512	0.8%	Hostkey B.v.	US	—	—
148.135.202.0/23	512	0.0%	Hostkey B.v.	US	—	—
148.135.208.0/23	512	0.6%	Hostkey B.v.	US	—	—
151.241.216.0/23	512	6.6%	Hostkey B.v.	AE	—	—
151.241.226.0/23	512	3.1%	Hostkey B.v.	AE	—	—
151.241.228.0/23	512	7.0%	Hostkey B.v.	AE	—	—
151.243.176.0/23	512	0.6%	Hostkey B.v.	AE	—	—
151.243.180.0/23	512	1.2%	Hostkey B.v.	AE	—	—
151.243.190.0/23	512	3.7%	Hostkey B.v.	AE	—	—
151.243.198.0/23	512	8.2%	Hostkey B.v.	AE	—	—
151.243.208.0/23	512	2.1%	Hostkey B.v.	AE	—	—
151.243.224.0/23	512	7.2%	Hostkey B.v.	AE	—	—
151.245.136.0/23	512	3.7%	Hostkey B.v.	AE	—	—
151.245.216.0/23	512	1.6%	Hostkey B.v.	AE	—	—
151.247.196.0/23	512	7.0%	Hostkey B.v.	AE	—	—
151.247.208.0/23	512	3.5%	Hostkey B.v.	AE	—	—
152.114.194.0/23	512	1.8%	Hostkey B.v.	ES	Madrid	Madrid
156.67.62.0/23	512	4.5%	Hostkey B.v.	NL	—	—
167.17.176.0/23	512	0.6%	Hostkey B.v.	AE	—	—
185.217.138.0/23	512	0.0%	Hostkey B.v.	VG	—	—
185.244.48.0/23	512	9.4%	Hostkey B.v.	NL	North Holland	Amsterdam
188.130.226.0/23	512	0.0%	Hostkey B.v.	CZ	—	—
189.74.120.0/23	512	22.1%	Hostkey B.v.	SC	—	—
193.84.2.0/23	512	3.1%	Hostkey B.v.	NL	—	—
193.109.68.0/23	512	3.3%	Hostkey B.v.	NL	North Holland	Amsterdam
194.58.154.0/23	512	0.0%	Hostkey B.v.	CZ	—	—
194.87.54.0/23	512	5.3%	Hostkey B.v.	CZ	—	—
194.147.214.0/23	512	2.0%	Hostkey B.v.	NL	Zurich	Zurich
194.164.216.0/23	512	2.0%	Hostkey B.v.	NL	England	London
194.164.234.0/23	512	4.1%	Hostkey B.v.	NL	—	—
194.180.188.0/23	512	4.9%	Hostkey B.v.	NL	—	—
194.180.206.0/23	512	4.5%	Hostkey B.v.	NL	—	—
194.247.182.0/23	512	5.1%	Hostkey B.v.	NL	—	—
194.247.186.0/23	512	4.5%	Hostkey B.v.	NL	—	—
195.26.230.0/23	512	6.4%	Hostkey B.v.	NL	—	—
195.162.68.0/23	512	0.8%	Hostkey B.v.	NL	—	—
202.71.12.0/23	512	0.4%	Hostkey B.v.	AE	—	—
212.69.84.0/23	512	4.3%	Hostkey B.v.	NL	North Holland	Amsterdam
212.108.82.0/23	512	2.1%	Hostkey B.v.	NL	—	—
2.27.86.0/24	256	6.3%	Hostkey B.v.	US	—	—
2.27.127.0/24	256	1.6%	Hostkey B.v.	US	—	—
5.42.199.0/24	256	0.8%	Hostkey B.v.	EE	—	—
5.102.37.0/24	256	0.0%	Hostkey B.v.	UA	—	—

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS57043 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

Prefix	Announcement samples	Last seen
151.241.216.0/24	209,509	2026-10-27 10:24:01
82.25.58.0/24	110,268	2026-10-27 10:35:24
64.137.109.0/24	84,370	2026-10-27 10:20:23
212.237.217.0/24	70,927	2026-10-27 10:35:24
151.244.243.0/24	64,978	2026-10-27 10:35:24
194.77.71.0/24	63,843	2026-10-27 10:22:28
46.17.99.0/24	60,447	2026-10-27 10:35:24
5.39.218.0/24	58,219	2026-10-27 10:46:31
193.84.2.0/24	56,414	2026-10-27 10:27:22
87.58.210.0/24	46,729	2026-10-27 10:46:33
82.22.50.0/24	45,763	2026-10-27 10:42:52
195.162.69.0/24	44,841	2026-10-27 10:38:49
46.17.96.0/24	44,492	2026-10-27 10:23:48
185.130.226.0/24	43,457	2026-10-27 10:28:39
156.67.63.0/24	42,512	2026-10-27 10:38:49
82.38.67.0/24	41,587	2026-10-27 10:20:30
193.247.81.0/24	41,496	2026-10-27 10:35:24
151.243.177.0/24	41,473	2026-10-27 10:35:24
212.108.83.0/24	41,156	2026-10-27 10:32:22
92.60.78.0/24	39,727	2026-10-27 10:23:48
212.192.11.0/24	39,082	2026-10-27 10:33:35
147.90.13.0/24	38,937	2026-10-27 10:42:52
82.26.91.0/24	38,693	2026-10-27 10:33:35
82.40.49.0/24	38,529	2026-10-27 10:42:52
82.22.38.0/24	37,623	2026-10-27 10:20:30
151.241.227.0/24	37,566	2026-10-27 10:33:35
5.39.222.0/24	37,563	2026-10-27 10:35:24
151.247.197.0/24	37,218	2026-10-27 10:42:52
193.247.82.0/24	36,675	2026-10-27 10:33:35
82.40.37.0/24	36,652	2026-10-27 10:33:35
82.38.65.0/24	36,627	2026-10-27 10:33:35
151.243.245.0/24	36,522	2026-10-27 10:33:35
151.243.196.0/24	36,475	2026-10-27 10:33:35
151.243.182.0/24	36,454	2026-10-27 10:33:35
194.180.189.0/24	36,441	2026-10-27 10:27:22
151.243.232.0/24	36,407	2026-10-27 10:33:35
89.39.120.0/24	36,072	2026-10-27 10:33:35
89.125.159.0/24	35,941	2026-10-27 10:33:35
82.38.66.0/24	35,880	2026-10-27 10:33:35
82.40.38.0/24	35,868	2026-10-27 10:33:35
31.207.45.0/24	35,635	2026-10-27 10:35:24
151.243.198.0/24	35,594	2026-10-27 10:24:01
151.241.228.0/24	35,168	2026-10-27 10:42:52
144.56.44.0/24	34,891	2026-10-27 10:42:52
45.155.103.0/24	34,854	2026-10-27 10:42:52
151.247.196.0/24	34,732	2026-10-27 10:42:52
147.90.14.0/24	34,506	2026-10-27 10:42:52
31.207.46.0/24	34,481	2026-10-27 10:35:24
31.207.47.0/24	34,469	2026-10-27 10:35:24
31.207.44.0/24	34,353	2026-10-27 10:35:24

Showing top 50 of 812 announced prefixes by sample volume.

Frequently Asked Questions

What is AS57043?

AS57043 is an Autonomous System Number assigned to Hostkey 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 AS57043 announce?

AS57043 announces 161.5K IPv4 addresses distributed across 485 routed CIDR prefixes. The network is registered in The Netherlands.

Who operates AS57043?

AS57043 is operated by Hostkey 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 AS57043 registered in?

AS57043 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: 2026-10-27 10:54:05 UTC