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Organization

Duocast B.V.

IPv4 addresses
31,488
CIDR ranges
32
Category
unknown
BGP prefixes announced
49

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 v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

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
16.1%
AS31477 NL Groningen Groningen
93.184.96.0/20 4.1K
5.6%
AS31477 NL South Holland Leiden
37.9.160.0/21 2.0K
0.0%
AS31477 NL — —
83.137.144.0/21 2.0K
47.1%
AS31477 NL Groningen Blauwestad
87.238.168.0/21 2.0K
32.3%
AS31477 NL — —
89.200.200.0/21 2.0K
12.5%
AS31477 NL — —
45.82.188.0/22 1.0K
69.8%
AS31477 NL — —
91.196.104.0/22 1.0K
45.9%
AS31477 NL — —
185.180.96.0/22 1.0K
0.5%
AS31477 NL — —
193.138.248.0/22 1.0K
15.1%
AS31477 NL — —
194.13.8.0/22 1.0K
0.3%
AS31477 NL — —
91.206.136.0/23 512
3.9%
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
10.2%
AS31477 NL — —
185.80.245.0/24 256
0.0%
AS31477 NL — —
185.80.246.0/24 256
0.0%
AS31477 NL — —
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
96.9%
AS31477 NL — —
193.202.109.0/24 256
0.4%
AS31477 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
6.6%
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 31.5K IPv4 addresses distributed across 32 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: 2026-11-13 11:24:05 UTC
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