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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 204.190.18.0/23
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 204.190.18.0/24 | 256 | Nasdaq, Inc. | AS54572 | CA |
| 204.190.19.0/24 | 256 | Nasdaq, Inc. | AS54572 | US |
Geolocation
First 256 of 512 IP addresses in 204.190.18.0/23
BGP Routing
Live BGP anomalies →This block is announced in BGP, observed across our RIPE RIS collectors.
Frequently Asked Questions
What is 204.190.18.0/23?
204.190.18.0/23 is a CIDR network block containing 512 IPv4 addresses (from 204.190.18.0 to 204.190.19.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 204.190.18.0/23 network?
The 204.190.18.0/23 range is allocated to Nasdaq, Inc. and announced via AS54572 from United States.