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CIDR
/20 · 4.1K IPs
ASN
TDC Holding A/S
Reverse DNS
lo0-0.arcnqe19.dk.ip.tdc.net
Last scanned 1 days ago
Blocklisted
Checking…
Scanning blocklists

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.

81/100
Trusted
How this score is built

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

DNS records

Reverse DNS (PTR)
lo0-0.arcnqe19.dk.ip.tdc.net
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
43200 s
Reverse DNS last checked
2026-07-20 08:30 UTC
Forward DNS last checked
2026-07-20 08:30 UTC

Forward DNS records for lo0-0.arcnqe19.dk.ip.tdc.net

TypeValuePriorityTTL
A 131.164.144.1 172520s
A 131.164.147.1 172800s
A 131.164.148.1 172629s
A 131.164.149.1 172800s
A 131.164.151.1 172800s
A 131.164.154.1 172762s
A 131.164.155.1 172800s
A 131.164.156.1 172629s
A 131.164.158.1 172800s
A 131.164.159.1 172756s
A 176.20.11.1 172728s
A 176.20.86.1 172629s
A 188.177.128.1 172771s
A 188.177.130.1 172800s
A 188.177.134.1 172777s
A 188.177.136.1 172800s
A 188.177.144.1 172728s
A 188.177.148.1 172800s
A 188.177.152.1 172736s
A 188.177.154.1 172800s
A 188.177.156.1 172771s
A 188.177.164.1 172629s
A 188.177.168.1 172800s
A 188.177.172.1 172800s
A 188.177.174.1 172800s
A 188.177.177.1 172736s
A 188.177.182.1 172659s
A 188.177.186.1 172659s
A 188.177.190.1 172762s
A 188.183.64.1 172728s
A 188.183.68.1 172728s
A 188.183.70.1 172771s
A 188.183.72.1 172771s
A 188.183.77.1 172728s
A 188.183.79.1 172659s
A 188.183.80.1 172800s
A 188.183.81.1 172629s
A 188.183.82.1 172625s
A 188.183.84.1 172800s
A 188.183.85.1 172800s
A 188.183.86.1 172800s
A 188.183.87.1 172629s
A 188.183.88.1 172800s
A 188.183.89.1 172800s
A 188.183.92.1 172800s
A 2.106.128.1 172800s
A 2.106.133.1 172800s
A 2.106.134.1 172629s
A 2.106.136.1 172728s
A 2.106.137.1 172800s
A 2.106.138.1 172696s
A 2.106.139.1 172800s
A 2.106.142.1 172625s
A 2.106.144.1 172800s
A 2.106.145.1 172800s
A 2.106.146.1 172771s
A 2.106.148.1 172705s
A 2.106.150.1 172629s
A 2.106.152.1 172800s
A 2.106.156.1 172800s
A 2.106.158.1 172736s
A 2.106.159.1 172800s
A 2.108.64.1 172736s
A 2.108.65.1 172800s
A 2.108.66.1 172720s
A 2.108.68.1 172800s
A 2.108.70.1 172800s
A 2.108.71.1 172800s
A 2.108.73.1 172625s
A 2.108.74.1 172800s
A 2.108.75.1 172559s
A 2.108.76.1 172800s
A 2.108.78.1 172653s
A 2.108.79.1 172800s
A 2.108.80.1 172625s
A 2.108.83.1 172800s
A 2.108.84.1 172720s
A 2.108.87.1 172771s
A 2.108.88.1 172625s
A 2.108.90.1 172728s
A 2.108.91.1 172800s
A 2.108.92.1 172800s
A 2.108.93.1 172800s
A 2.108.94.1 172800s
A 212.130.103.1 172800s
A 212.130.160.1 172677s
A 212.130.164.1 172799s
A 212.130.165.1 172771s
A 212.130.167.1 172771s
A 212.130.168.1 172625s
A 212.130.170.1 172799s
A 212.130.171.1 172800s
A 212.130.172.193 172800s
A 212.130.175.1 172800s
A 62.243.137.1 172800s
A 62.243.48.1 172736s
A 80.161.117.1 172705s
A 80.161.118.1 172625s
A 80.161.119.1 172800s
A 80.161.82.1 172800s
A 80.161.83.1 172736s
A 80.161.93.1 172728s
A 80.161.97.1 172800s
A 80.162.224.1 172659s
A 80.162.230.1 172756s
A 80.164.24.1 172800s
A 80.164.25.1 172800s
A 80.164.26.1 172800s
A 80.164.27.1 172625s
A 80.164.30.1 172800s
A 80.196.0.1 172800s
A 80.197.190.33 172629s
A 80.198.35.1 172800s
A 80.198.50.129 172677s
A 80.199.163.1 172800s
A 80.62.38.177 172117s
A 80.62.38.225 172800s
A 80.62.39.113 172756s
A 80.62.62.17 172736s
A 80.62.84.65 172771s
A 80.62.88.177 172800s
A 80.62.91.209 172728s
A 83.88.149.145 172800s
A 83.88.149.177 172732s
A 83.88.153.209 172732s
A 83.88.179.161 172520s
A 83.91.104.49 172800s
A 83.91.151.113 172800s
A 83.93.124.65 172771s
A 83.93.134.113 172756s
A 83.93.134.193 172659s
A 83.93.150.1 172659s
A 83.93.155.1 172756s
A 83.93.218.1 172756s
A 83.93.219.1 172625s
A 83.93.238.1 172771s
A 83.93.239.1 172625s
A 83.93.74.97 172800s
A 83.93.92.177 172800s
A 83.94.129.177 172756s
A 83.95.146.1 172677s
A 83.95.195.1 172800s
A 87.49.117.33 172659s
A 87.49.204.129 172771s
A 87.49.90.81 172800s
A 87.51.99.241 172720s
A 87.53.136.49 172736s
A 87.53.203.97 172625s
A 87.54.64.1 172625s
A 87.54.73.145 172625s
A 87.54.76.1 172728s
A 87.54.84.1 172666s
A 87.54.96.1 172771s
A 87.57.128.105 172800s
A 87.57.142.1 172800s
A 87.57.156.1 172756s
A 87.57.160.1 172800s
A 87.57.167.1 172800s
A 87.57.168.1 172800s
A 87.57.172.1 172756s
A 87.57.177.1 172666s
A 87.57.178.1 172728s
A 87.57.182.1 172520s
A 87.57.188.1 172800s
A 87.62.111.17 172728s
A 87.63.104.1 172756s
A 87.63.105.1 172736s
A 87.63.105.129 172756s
A 87.63.106.1 172800s
A 87.63.108.1 172520s
A 87.63.109.129 172732s
A 87.63.110.1 172720s
A 87.63.111.1 172800s
A 87.63.111.129 172800s
A 87.63.192.1 172756s
A 87.63.196.1 172728s
A 87.63.204.1 172732s
A 87.63.208.1 172800s
A 87.63.212.129 172800s
A 87.63.213.1 172666s
A 87.63.213.129 172473s
A 87.63.214.1 172800s
A 87.63.214.129 172736s
A 87.63.215.1 172666s
A 87.63.216.1 172800s
A 87.63.216.129 172800s
A 87.63.217.1 172800s
A 87.63.217.129 172666s
A 87.63.218.1 172799s
A 87.63.218.129 172800s
A 87.63.219.1 172666s
A 87.63.222.1 172625s
A 87.63.222.129 172666s
A 87.63.223.1 172666s
A 87.63.223.225 172677s
A 87.63.32.1 172732s
A 87.63.36.1 172728s
A 87.63.40.1 172666s
A 87.63.48.1 172659s
A 87.63.49.1 172800s
A 87.63.50.1 172800s
A 87.63.51.1 172473s
A 87.63.52.1 172659s
A 87.63.54.1 172799s
A 93.160.100.1 172800s
A 93.160.104.1 172728s
A 93.160.108.1 172800s
A 93.160.110.1 172800s
A 93.160.112.1 172800s
A 93.160.114.1 172799s
A 93.160.114.129 172800s
A 93.160.115.129 172625s
A 93.160.117.1 172800s
A 93.160.118.1 172800s
A 93.160.118.129 172800s
A 93.160.120.1 172800s
A 93.160.122.1 172800s
A 93.160.123.1 172666s
A 93.160.123.129 172800s
A 93.160.124.129 172800s
A 93.160.125.129 172800s
A 93.160.126.129 172762s
A 93.160.127.1 172559s
A 93.160.127.129 172799s
A 93.160.64.1 172800s
A 93.160.76.1 172800s
A 93.160.80.1 172728s
A 93.160.84.1 172800s
A 93.160.88.1 172800s
A 93.160.92.1 172799s
A 93.160.96.1 172659s
A 93.165.45.1 172800s
A 93.165.46.1 172800s
A 93.165.49.1 172800s
A 93.165.50.1 172800s
A 93.165.52.1 172800s
A 93.165.54.1 172736s
A 93.165.55.1 172666s
A 93.165.62.1 172800s
A 93.166.226.1 172800s
A 93.166.232.1 172800s
A 93.166.233.1 172799s
A 93.166.234.1 172736s
A 93.166.236.1 172800s
A 93.166.240.29 172629s
A 93.166.244.1 172799s
A 93.166.252.1 172720s
every IP & sub-domain we've seen under this domain

Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.

Network Allocation for 87.54.64.1

CIDR range
87.54.64.0/20
IP range (int)
1,463,173,120 — 1,463,177,215
Prefix length
/20
Organization
TDC Holding A/S
ASN
AS3292
ASN name
TDC Holding A/S
Location
Aarhus, Central Jutland, Denmark
Coordinates
56.156700, 10.215300
Accuracy radius
50 km
Postal code
8000
Regional Internet Registry
RIPE
Allocated
2005-05-20
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-07-21 04:07:15

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
3,772
Last seen
2026-07-21 11:12:13

Frequently Asked Questions

Who owns 87.54.64.1?

87.54.64.1 is allocated to TDC Holding A/S (AS3292), registered in Aarhus, Denmark.

Where is 87.54.64.1 located?

The geolocation for 87.54.64.1 maps to Aarhus, Denmark based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 87.54.64.1 on?

87.54.64.1 belongs to the 87.54.64.0/20 network block announced by AS3292. This range contains 4,096 addresses.

Does 87.54.64.1 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

Related

Last updated: 2026-07-21 12:54:33 UTC
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