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
- Isp allocation +5
- Established allocation (12y) +3
- Trust score 78 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
First and last addresses in 45.64.21.0/24
45.64.21.0/24 runs from 45.64.21.0 to 45.64.21.255.
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 | apnic |
Frequently Asked Questions
What is 45.64.21.0/24?
45.64.21.0/24 is a CIDR network block containing 256 IPv4 addresses (from 45.64.21.0 to 45.64.21.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 45.64.21.0/24 network?
The 45.64.21.0/24 range is allocated to Companhia de Telecomunicacoes de Macau SARL and announced via AS4609 from Macao.
How many IP addresses are in 45.64.21.0/24?
45.64.21.0/24 contains exactly 256 usable IPv4 addresses. A /24 prefix length means 256 addresses are covered by this single routing entry.
