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
- Has a reverse-DNS (PTR) record +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 121.16.0.0/12
First and last addresses in 121.16.0.0/12
121.16.0.0/12 runs from 121.16.0.0 to 121.31.255.255.
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 121.16.0.0/12?
121.16.0.0/12 is a CIDR network block containing 1,048,576 IPv4 addresses (from 121.16.0.0 to 121.31.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 121.16.0.0/12 network?
The 121.16.0.0/12 range is allocated to an unknown organization from China.
