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Organization

NORDUnet

Academic Denmark
IPv4 addresses
10,752
CIDR ranges
10
Category
academic
BGP prefixes announced
18
live routing →

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.

71/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Academic allocation +6
  • Trust score 71 / 100

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

About NORDUnet

NORDUnet is an international collaboration between the national research and education networks in the Nordic countries.

Founded
1985
Headquarters
Copenhagen

Operates 1 network present at 31 internet exchanges with a selective peering policy.

Official website ↗ Summary from Wikipedia, CC BY-SA 4.0 · Data from Wikidata

Countries served by NORDUnet

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

Denmark 9.2K Sweden 1.5K

ASNs owned by NORDUnet

ASNNameIPsPrefixesCountry
AS2603 NORDUnet 9.7K 9 DK
AS39590 NORDUnet 1.0K 1 DK

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
109.105.96.0/20 4.1K
35.2%
AS2603 DK — —
109.105.112.0/21 2.0K
13.2%
AS2603 DK Capital Region Kastrup
109.105.120.0/22 1.0K
12.9%
AS2603 DK — —
109.105.124.0/22 1.0K
42.0%
AS39590 DK — —
185.174.116.0/22 1.0K
63.8%
AS2603 DK — —
109.105.106.0/23 512
31.4%
AS2603 DK — —
109.105.116.0/23 512
25.4%
AS2603 DK — —
109.105.122.0/23 512
7.8%
AS2603 DK — —
193.10.254.0/23 512
20.9%
AS2603 SE — —
109.105.100.0/24 256
14.1%
AS2603 DK — —
109.105.103.0/24 256
0.8%
AS2603 JP — —
109.105.104.0/24 256
54.3%
AS2603 SE — —
109.105.105.0/24 256
0.0%
AS2603 DK — —
109.105.108.0/24 256
20.3%
AS2603 DK — —
109.105.110.0/24 256
48.4%
AS2603 DK — —
109.105.111.0/24 256
35.5%
AS2603 SE — —
109.105.112.0/24 256
2.0%
AS2603 DK — —
109.105.115.0/24 256
2.0%
AS2603 DK — —
109.105.118.0/24 256
9.0%
AS2603 DK — —
109.105.120.0/24 256
3.9%
AS2603 GB — —
109.105.125.0/24 256
34.8%
AS39590 DK — —
109.105.126.0/24 256
45.7%
AS39590 DK — —
109.105.127.0/24 256
34.8%
AS39590 SE — —
192.36.171.0/24 256
49.2%
AS2603 SE — —
193.10.252.0/24 256
28.9%
AS2603 SE — —
193.10.254.0/24 256
17.2%
AS2603 DK — —
193.10.255.0/24 256
24.6%
AS2603 SE — —
193.11.3.0/24 256
20.7%
AS2603 SE — —
194.68.13.0/24 256
25.0%
AS2603 SE — —
109.105.101.128/25 128
35.2%
AS2603 DK — —
109.105.109.128/25 128
12.5%
AS2603 SE — —
109.105.113.128/25 128
10.9%
AS2603 DK — —
109.105.114.128/25 128
3.9%
AS2603 DK — —
109.105.119.0/25 128
28.1%
AS2603 SE — —
109.105.121.128/25 128
32.0%
AS2603 DK — —
109.105.124.128/25 128
53.1%
AS39590 DK — —
193.10.252.128/25 128
28.9%
AS2603 SE — —
109.105.96.192/26 64
45.3%
AS2603 DK — —
109.105.102.192/26 64
48.4%
AS2603 SE — —
109.105.109.0/26 64
12.5%
AS2603 DK — —
109.105.109.64/26 64
12.5%
AS2603 DE — —
109.105.113.0/26 64
10.9%
AS2603 SE — —
109.105.113.64/26 64
10.9%
AS2603 DK — —
109.105.114.64/26 64
4.7%
AS2603 DK — —
109.105.119.128/26 64
28.1%
AS2603 DK — —
109.105.121.64/26 64
32.8%
AS2603 DK — —
193.10.252.64/26 64
29.7%
AS2603 SE — —
109.105.98.192/27 32
68.8%
AS2603 DK — —
109.105.114.0/27 32
3.1%
AS2603 SE — —
109.105.114.32/27 32
3.1%
AS2603 DK — —
109.105.119.192/27 32
28.1%
AS2603 DK — —
109.105.121.0/27 32
31.3%
AS2603 DK — —
109.105.124.64/27 32
53.1%
AS39590 DK — —
109.105.124.96/27 32
53.1%
AS39590 SE — —
109.105.96.144/28 16
43.8%
AS2603 DK — —
109.105.96.176/28 16
43.8%
AS2603 DK — —
109.105.97.176/28 16
62.5%
AS2603 SE — —
109.105.97.192/28 16
62.5%
AS2603 DK — —
109.105.98.64/28 16
68.8%
AS2603 SE — —
109.105.99.32/28 16
56.3%
AS2603 DK — —
109.105.99.96/28 16
56.3%
AS2603 SE — —
109.105.99.112/28 16
56.3%
AS2603 DK — —
109.105.99.176/28 16
56.3%
AS2603 DK — —
109.105.99.224/28 16
56.3%
AS2603 DK — —
109.105.101.80/28 16
37.5%
AS2603 SE — —
109.105.102.48/28 16
50.0%
AS2603 SE — —
109.105.119.240/28 16
25.0%
AS2603 DK — —
109.105.121.32/28 16
31.3%
AS2603 DK — —
109.105.124.32/28 16
50.0%
AS39590 DK — —
193.10.252.16/28 16
31.3%
AS2603 SE — —
193.10.252.32/28 16
31.3%
AS2603 SE — —
193.10.252.48/28 16
31.3%
AS2603 DK — —
109.105.96.0/29 8
50.0%
AS2603 SE — —
109.105.96.56/29 8
50.0%
AS2603 SE — —
109.105.96.72/29 8
50.0%
AS2603 DK — —
109.105.96.88/29 8
50.0%
AS2603 DK — —
109.105.96.96/29 8
50.0%
AS2603 DK — —
109.105.96.136/29 8
50.0%
AS2603 DK — —
109.105.96.160/29 8
50.0%
AS2603 DK — —
109.105.97.48/29 8
62.5%
AS2603 DK — —
109.105.97.104/29 8
62.5%
AS2603 DK — —
109.105.97.152/29 8
62.5%
AS2603 DK — —
109.105.97.160/29 8
62.5%
AS2603 DK — —
109.105.97.216/29 8
62.5%
AS2603 DK — —
109.105.97.224/29 8
62.5%
AS2603 DK — —
109.105.98.0/29 8
62.5%
AS2603 SE — —
109.105.98.8/29 8
62.5%
AS2603 US — —
109.105.98.16/29 8
62.5%
AS2603 US — —
109.105.98.32/29 8
62.5%
AS2603 NL — —
109.105.98.40/29 8
62.5%
AS2603 US — —
109.105.98.48/29 8
62.5%
AS2603 SE — —
109.105.98.88/29 8
62.5%
AS2603 SE — —
109.105.98.96/29 8
62.5%
AS2603 SE — —
109.105.98.144/29 8
62.5%
AS2603 SE — —
109.105.98.248/29 8
62.5%
AS2603 DK — —
109.105.99.8/29 8
62.5%
AS2603 DK — —
109.105.99.24/29 8
62.5%
AS2603 DK — —
109.105.99.56/29 8
62.5%
AS2603 DK — —
109.105.99.80/29 8
62.5%
AS2603 DK — —
109.105.99.152/29 8
62.5%
AS2603 NL — —

Frequently Asked Questions

How many IP addresses does NORDUnet own?

NORDUnet controls 10.8K IPv4 addresses distributed across 10 CIDR ranges. The organization is registered in Denmark.

What ASNs does NORDUnet operate?

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

What countries does NORDUnet serve?

NORDUnet has IP address allocations in 2 countries, indicating a multinational network presence for delivering services across these regions.

What type of organization is NORDUnet?

NORDUnet is categorized as academic. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-11-08 15:54:06 UTC
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