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CIDR
/20 · 4.1K IPs
ASN
KPN B.V.
Reverse DNS
81-204-41-108.fixed.kpn.net
Last scanned 1 days ago
Blocklisted
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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 →

Network Allocation for 81.204.41.108

CIDR range
81.204.32.0/20
IP range (int)
1,372,332,032 — 1,372,336,127
Prefix length
/20
Organization
KPN B.V.
ASN
AS1136
ASN name
KPN B.V.
Location
Rotterdam, South Holland, The Netherlands
Coordinates
51.915600, 4.514600
Accuracy radius
20 km
Postal code
3063
Regional Internet Registry
RIPE
Allocated
2002-10-16
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-07-11 09:21:54

Frequently Asked Questions

Who owns 81.204.41.108?

81.204.41.108 is allocated to KPN B.V. (AS1136), registered in Rotterdam, The Netherlands.

Where is 81.204.41.108 located?

The geolocation for 81.204.41.108 maps to Rotterdam, The Netherlands 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 81.204.41.108 on?

81.204.41.108 belongs to the 81.204.32.0/20 network block announced by AS1136. This range contains 4,096 addresses.

Does 81.204.41.108 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: 2026-07-18 09:10:33 UTC
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