Addresses
512
512
Sub-ranges
0+
within this block
PTR Density
99.2%
508 of 512 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.
67/100
Moderate
How this score is built
- Baseline (neutral) 65
- Has a reverse-DNS (PTR) record +5
- Recently allocated (0y) −3
- Trust score 67 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
First and last addresses in 201.4.228.0/23
201.4.228.0/23 runs from 201.4.228.0 to 201.4.229.255.
First 16
201.4.228.0
201.4.228.1
201.4.228.2
201.4.228.3
201.4.228.4
201.4.228.5
201.4.228.6
201.4.228.7
201.4.228.8
201.4.228.9
201.4.228.10
201.4.228.11
201.4.228.12
201.4.228.13
201.4.228.14
201.4.228.15
Last 16
RIR Ownership History
Atom feed ⇲Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | New Allocation | — | US |
Frequently Asked Questions
What is 201.4.228.0/23?
201.4.228.0/23 is a CIDR network block containing 512 IPv4 addresses (from 201.4.228.0 to 201.4.229.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 201.4.228.0/23 network?
The 201.4.228.0/23 range is allocated to an unknown organization from Brazil.
Last updated: 2026-10-27 16:24:05 UTC
