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.
- Baseline (neutral) 65
- Long-established allocation (20y) +6
- Has a reverse-DNS (PTR) record +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
First and last addresses in 124.21.240.0/20
124.21.240.0/20 runs from 124.21.240.0 to 124.21.255.255.
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 | — | CN |
Frequently Asked Questions
What is 124.21.240.0/20?
124.21.240.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 124.21.240.0 to 124.21.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 124.21.240.0/20 network?
The 124.21.240.0/20 range is allocated to an unknown organization from Japan.
