CIDR Range

195.51.0.0/21

2.0K IPs /21 The Netherlands RIPE

Addresses

2,048

2.0K

IP Range

195.51.0.0

→ 195.51.7.255

Sub-ranges

within this block

PTR Density

0.0%

0 of 2.0K IPs have PTR

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
Long-established allocation (30y) +6
Trust score 71 / 100

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

Geolocation

First and last addresses in 195.51.0.0/21

195.51.0.0/21 runs from 195.51.0.0 to 195.51.7.255.

First 16

195.51.0.0 195.51.0.1 195.51.0.2 195.51.0.3 195.51.0.4 195.51.0.5 195.51.0.6 195.51.0.7 195.51.0.8 195.51.0.9 195.51.0.10 195.51.0.11 195.51.0.12 195.51.0.13 195.51.0.14 195.51.0.15

Last 16

195.51.7.240 195.51.7.241 195.51.7.242 195.51.7.243 195.51.7.244 195.51.7.245 195.51.7.246 195.51.7.247 195.51.7.248 195.51.7.249 195.51.7.250 195.51.7.251 195.51.7.252 195.51.7.253 195.51.7.254 195.51.7.255

Frequently Asked Questions

What is 195.51.0.0/21?

195.51.0.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 195.51.0.0 to 195.51.7.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 195.51.0.0/21 network?

The 195.51.0.0/21 range is allocated to an unknown organization from The Netherlands.

Last updated: 2026-10-27 07:39:06 UTC