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
- Established allocation (8y) +3
- Trust score 73 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
First and last addresses in 143.204.48.0/21
143.204.48.0/21 runs from 143.204.48.0 to 143.204.55.255.
BGP Routing
Live BGP anomalies →This block is announced in BGP, observed across our RIPE RIS collectors.
Frequently Asked Questions
What is 143.204.48.0/21?
143.204.48.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 143.204.48.0 to 143.204.55.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 143.204.48.0/21 network?
The 143.204.48.0/21 range is allocated to Amazon.com, Inc. and announced via AS16509 from United States.
