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 (32y) +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
All 1 IP addresses in 204.75.19.1/32
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 204.75.19.0/24.
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 |
| 2026-05-10 | Country Change | US | AU |
Frequently Asked Questions
What is 204.75.19.1/32?
204.75.19.1/32 is a CIDR network block containing 1 IPv4 addresses (from 204.75.19.1 to 204.75.19.1). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 204.75.19.1/32 network?
The 204.75.19.1/32 range is allocated to Fastmail Pty Ltd and announced via AS151847 from United States.
How many IP addresses are in 204.75.19.1/32?
204.75.19.1/32 contains exactly 1 usable IPv4 addresses. A /32 prefix length means 1 addresses are covered by this single routing entry.
