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Organization

Duocast B.V.

IPv4 addresses
31,744
CIDR ranges
33
Category
unknown
BGP prefixes announced
47

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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Duocast B.V. — global IP footprint

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

Countries served by Duocast B.V.

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by Duocast B.V.

ASNNameIPsPrefixesCountry
AS31477 Duocast B.V. 30.7K 29 NL
AS39292 Duocast B.V. 768 3 NL

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
89.188.0.0/19 8.2K
12.9%
AS31477 NL Groningen Groningen
93.184.96.0/20 4.1K
5.4%
AS31477 NL North Holland Amsterdam
37.9.160.0/21 2.0K
0.0%
AS31477 NL
83.137.144.0/21 2.0K
46.9%
AS31477 NL Overijssel Zwolle
87.238.168.0/21 2.0K
32.3%
AS31477 NL
89.200.200.0/21 2.0K
12.2%
AS31477 NL
45.82.188.0/22 1.0K
66.6%
AS31477 NL
91.196.104.0/22 1.0K
48.7%
AS31477 NL
185.180.96.0/22 1.0K
0.5%
AS31477 NL
193.138.248.0/22 1.0K
13.9%
AS31477 NL
194.13.8.0/22 1.0K
0.3%
AS31477 NL
91.206.136.0/23 512
3.7%
AS31477 NL
194.13.12.0/23 512
0.0%
AS31477 NL Groningen Groningen
82.150.139.0/24 256
0.0%
AS31477 NL
91.198.178.0/24 256
9.4%
AS31477 NL
91.209.7.0/24 256
2.3%
AS39292 NL
91.209.192.0/24 256
0.0%
AS31477 NL
91.213.95.0/24 256
0.0%
AS31477 NL
91.220.82.0/24 256
9.0%
AS31477 NL
185.80.245.0/24 256
0.0%
AS31477 NL
185.80.246.0/24 256
0.0%
AS31477 NL Groningen Groningen
185.80.247.0/24 256
2.3%
AS39292 NL
185.134.65.0/24 256
0.8%
AS31477 NL
193.9.23.0/24 256
3.5%
AS31477 NL
193.164.144.0/24 256
18.8%
AS31477 NL
193.177.163.0/24 256
0.0%
AS31477 NL
193.200.178.0/24 256
97.7%
AS31477 NL
193.202.109.0/24 256
0.4%
AS31477 NL
193.222.137.0/24 256
0.0%
AS39704 NL
194.13.14.0/24 256
0.0%
AS31477 NL
194.50.96.0/24 256
0.0%
AS39292 NL
195.137.165.0/24 256
6.3%
AS31477 NL
195.137.169.0/24 256
10.9%
AS31477 NL Groningen Groningen

Frequently Asked Questions

How many IP addresses does Duocast B.V. own?

Duocast B.V. controls 31.7K IPv4 addresses distributed across 33 CIDR ranges. The organization is registered in The Netherlands.

What ASNs does Duocast B.V. operate?

Duocast B.V. operates 2 Autonomous Systems. Each ASN represents an independently routed network that Duocast B.V. manages for internet traffic delivery.

What type of organization is Duocast B.V.?

Duocast B.V. is categorized as unknown. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-24 12:10:32 UTC
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