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Organization

TDC Holding A/S

IPv4 addresses
5,222,142
CIDR ranges
207
Category
enterprise
BGP prefixes announced
182

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.

69/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Enterprise allocation +4
  • Trust score 69 / 100

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

About TDC

TDC Holding A/S or TDC Group is a Danish telecommunications company dating back to 1879. TDC Group is the largest telecommunications company in Denmark.

Founded
1990
Headquarters
Copenhagen
Industry
telecommunications
Employees
8,594

Operates 1 network present at 21 internet exchanges with a selective peering policy.

TDC Holding A/S — global IP footprint

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

Countries served by TDC Holding A/S

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

ASNs owned by TDC Holding A/S

ASNNameIPsPrefixesCountry
AS3292 TDC Holding A/S 5.21M 203 DK

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
80.160.0.0/13 524.3K
37.2%
AS3292 DK South Denmark Vejle
87.48.0.0/13 524.3K
49.6%
AS3292 DK Capital Region Brønshøj
188.176.0.0/13 524.3K
71.7%
AS3292 DK Zealand Rødby
2.104.0.0/14 262.1K
87.0%
AS3292 DK Zealand Regstrup
80.196.0.0/14 262.1K
33.7%
AS3292 DK Capital Region Kokkedal
93.160.0.0/14 262.1K
79.9%
AS3292 DK Zealand Holbæk
2.108.0.0/15 131.1K
75.7%
AS3292 DK Capital Region Kongens Lyngby
62.242.0.0/15 131.1K
22.8%
AS3292 DK Capital Region Copenhagen
80.62.0.0/15 131.1K
30.3%
AS3292 DK Capital Region Copenhagen
83.90.0.0/15 131.1K
27.8%
AS3292 DK Capital Region Søborg
83.92.0.0/15 131.1K
46.0%
AS3292 DK Capital Region Valby
87.62.0.0/15 131.1K
0.0%
AS3292 DK South Denmark Fanø Vesterhavsbad
93.166.0.0/15 131.1K
77.8%
AS3292 DK South Denmark Vejle
193.88.0.0/15 131.1K
6.3%
AS3292 DK Central Jutland Åbyhøj
2.111.0.0/16 65.5K
88.4%
AS3292 DK Capital Region Søborg
83.89.0.0/16 65.5K
51.8%
AS3292 DK Capital Region Copenhagen
83.92.0.0/16 65.5K
46.7%
AS3292 DK Central Jutland Aarhus
83.94.0.0/16 65.5K
62.9%
AS3292 DK South Denmark Årslev
87.57.0.0/16 65.5K
85.8%
AS3292 DK North Denmark Aalborg
87.59.0.0/16 65.5K
89.1%
AS3292 DK Zealand Holbæk
87.60.0.0/16 65.5K
0.0%
AS3292 DK Capital Region Brønshøj
131.164.0.0/16 65.5K
36.5%
AS3292 DK Capital Region Holte
176.21.0.0/16 65.5K
80.3%
AS3292 DK Zealand Holbæk
194.192.0.0/16 65.5K
3.1%
AS3292 DK South Denmark Fredericia
194.239.0.0/16 65.5K
0.0%
AS3292 DK Capital Region Taastrup
195.41.0.0/16 65.5K
3.8%
AS3292 DK Capital Region Brønshøj
195.215.0.0/16 65.5K
11.2%
AS3292 DK Capital Region Frederiksberg
195.249.0.0/16 65.5K
14.5%
AS3292 DK Zealand Ringsted
212.130.0.0/16 65.5K
38.4%
AS3292 DK Central Jutland Aarhus
62.135.128.0/17 32.8K
29.9%
AS3292 DK Capital Region Copenhagen
83.88.0.0/17 32.8K
64.4%
AS3292 DK Capital Region Taastrup
83.93.0.0/17 32.8K
52.5%
AS3292 DK Capital Region Tisvildeleje
83.94.128.0/17 32.8K
66.6%
AS3292 DK South Denmark Årslev
83.95.0.0/17 32.8K
29.2%
AS3292 DK Capital Region Frederiksberg
85.129.0.0/17 32.8K
62.0%
AS3292 DK Capital Region Copenhagen
87.56.128.0/17 32.8K
77.9%
AS3292 DK North Denmark Frederikshavn
87.61.0.0/17 32.8K
0.0%
AS3292 DK Capital Region Copenhagen
93.164.0.0/17 32.8K
70.3%
AS3292 DK South Denmark Haderslev
93.165.128.0/17 32.8K
65.1%
AS3292 DK Central Jutland Risskov
94.189.0.0/17 32.8K
0.0%
AS3292 DK Capital Region Frederiksberg
95.166.128.0/17 32.8K
8.2%
AS3292 DK Capital Region Nivå
128.76.128.0/17 32.8K
95.6%
AS3292 DK South Denmark Fredericia
128.77.128.0/17 32.8K
13.8%
AS3292 DK Central Jutland Hedensted
176.20.0.0/17 32.8K
74.1%
AS3292 DK Capital Region Farum
176.22.0.0/17 32.8K
46.5%
AS3292 DK Capital Region Gentofte Municipality
176.23.0.0/17 32.8K
98.4%
AS3292 DK Capital Region Frederiksberg
83.88.192.0/18 16.4K
39.6%
AS3292 DK Capital Region Hillerød
83.93.192.0/18 16.4K
43.6%
AS3292 DK Capital Region Rødovre Municipality
83.94.0.0/18 16.4K
99.2%
AS3292 DK South Denmark Haderslev
83.95.192.0/18 16.4K
18.0%
AS3292 DK Capital Region Copenhagen
87.61.128.0/18 16.4K
0.0%
AS3292 DK Capital Region Valby
93.164.192.0/18 16.4K
84.7%
AS3292 DK Central Jutland Randers
93.165.0.0/18 16.4K
87.2%
AS3292 DK Capital Region Rønne
93.178.128.0/18 16.4K
56.4%
AS3292 DK South Denmark Odense
95.166.64.0/18 16.4K
0.2%
AS3292 DK
128.76.0.0/18 16.4K
0.0%
AS3292 DK Capital Region Rønne
176.22.192.0/18 16.4K
64.9%
AS3292 DK Capital Region Virum
176.23.192.0/18 16.4K
93.3%
AS3292 DK Zealand Stenlille
195.97.128.0/18 16.4K
0.1%
AS3292 DK Capital Region Kongens Lyngby
77.234.160.0/19 8.2K
1.1%
AS34482 DK
83.88.128.0/19 8.2K
63.5%
AS3292 DK Zealand Ringsted
83.93.128.0/19 8.2K
10.4%
AS3292 DK Capital Region Valby
83.94.96.0/19 8.2K
38.2%
AS3292 DK South Denmark Bogense
83.95.160.0/19 8.2K
99.1%
AS3292 DK South Denmark Aabenraa
87.56.32.0/19 8.2K
88.6%
AS3292 DK Central Jutland Silkeborg
87.58.32.0/19 8.2K
96.5%
AS3292 DK South Denmark Odense
87.58.160.0/19 8.2K
93.5%
AS3292 DK Zealand Ringsted
87.58.224.0/19 8.2K
86.0%
AS3292 DK Zealand Slagelse
87.61.224.0/19 8.2K
0.0%
AS3292 DK Zealand Jystrup
87.104.192.0/19 8.2K
5.8%
AS3292 DK
93.164.160.0/19 8.2K
79.4%
AS3292 DK North Denmark Farsø
93.165.96.0/19 8.2K
87.8%
AS3292 DK South Denmark Bagenkop
176.20.224.0/19 8.2K
0.0%
AS3292 DK South Denmark Kolding
176.22.160.0/19 8.2K
97.5%
AS3292 DK Capital Region Hørsholm
176.23.160.0/19 8.2K
100.0%
AS3292 DK South Denmark Middelfart
195.184.32.0/19 8.2K
0.0%
AS3292 DK
2.110.0.0/20 4.1K
0.1%
AS3292 DK Capital Region Copenhagen
2.110.32.0/20 4.1K
0.0%
AS3292 DK Central Jutland Aarhus
80.72.144.0/20 4.1K
1.7%
AS34482 DK
80.91.128.0/20 4.1K
0.3%
AS3292 DK
81.31.80.0/20 4.1K
80.3%
AS3292 DK Central Jutland Juelsminde
83.88.176.0/20 4.1K
51.7%
AS3292 DK Zealand Greve
83.93.176.0/20 4.1K
48.4%
AS3292 DK North Denmark Jerslev
83.95.144.0/20 4.1K
15.5%
AS3292 DK Central Jutland Hadsten
87.104.224.0/20 4.1K
15.9%
AS3292 DK South Denmark Kolding
194.182.128.0/20 4.1K
11.2%
AS3292 DK North Denmark Aalborg
194.182.240.0/20 4.1K
18.3%
AS3292 DK Capital Region Copenhagen
5.44.136.0/21 2.0K
70.8%
AS3292 DK
83.88.160.0/21 2.0K
8.6%
AS3292 DK Zealand Greve
83.93.168.0/21 2.0K
60.4%
AS3292 DK Capital Region Kastrup
83.95.128.0/21 2.0K
11.4%
AS3292 DK Capital Region Copenhagen
92.43.176.0/21 2.0K
1.3%
AS3292 DK Central Jutland Ulfborg
192.66.104.0/21 2.0K
0.4%
AS3292 DK
193.162.48.0/21 2.0K
0.0%
AS3292 DK Zealand Køge
193.162.152.0/21 2.0K
24.2%
AS3292 DK Central Jutland Sunds
193.163.160.0/21 2.0K
1.8%
AS3292 DK
194.182.144.0/21 2.0K
17.8%
AS3292 DK Zealand Havdrup
194.182.232.0/21 2.0K
7.8%
AS3292 DK South Denmark Billund
217.28.168.0/21 2.0K
4.1%
AS3292 DK Central Jutland Højbjerg
2.21.28.0/22 1.0K
100.0%
AS3292 NL

Frequently Asked Questions

How many IP addresses does TDC Holding A/S own?

TDC Holding A/S controls 5.22M IPv4 addresses distributed across 207 CIDR ranges. The organization is registered in Denmark.

What ASNs does TDC Holding A/S operate?

TDC Holding A/S operates 1 Autonomous System. Each ASN represents an independently routed network that TDC Holding A/S manages for internet traffic delivery.

What countries does TDC Holding A/S serve?

TDC Holding A/S has IP address allocations in 2 countries, indicating a multinational network presence for delivering services across these regions.

What type of organization is TDC Holding A/S?

TDC Holding A/S is categorized as enterprise. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-18 10:40:31 UTC
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