137.255.240.0/21
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
- Enterprise allocation +4
- Established allocation (10y) +3
- Trust score 72 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
First and last addresses in 137.255.240.0/21
137.255.240.0/21 runs from 137.255.240.0 to 137.255.247.255.
BGP Routing
Live BGP anomalies →This block is announced in BGP, observed across our RIPE RIS collectors.
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 | RIR Transfer | arin | afrinic |
Frequently Asked Questions
What is 137.255.240.0/21?
137.255.240.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 137.255.240.0 to 137.255.247.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 137.255.240.0/21 network?
The 137.255.240.0/21 range is allocated to SOCIETE BENINOISE D'INFRASTRUCTURES NUMERIQUES and announced via AS328228 from Benin.
