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 (33y) +6
- Has a reverse-DNS (PTR) record +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
First 256 of 131,072 IP addresses in 51.200.0.0/15
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 weekly from regional internet registry (RIR) delegation files.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-26 | Country Change | GB | US |
| 2026-05-10 | New Allocation | — | US |
Frequently Asked Questions
What is 51.200.0.0/15?
51.200.0.0/15 is a CIDR network block containing 131,072 IPv4 addresses (from 51.200.0.0 to 51.201.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 51.200.0.0/15 network?
The 51.200.0.0/15 range is allocated to Amazon.com, Inc. and announced via AS16509 from United Kingdom.