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
- Trust score 71 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 166.91.128.0/17
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 166.91.128.0/18 | 16.4K | DC-Net | AS33084 | US |
| 166.91.128.0/18 | 16.4K | DC-Net | AS33084 | US |
| 166.91.128.0/18 | 16.4K | — | — | US |
| 166.91.192.0/19 | 8.2K | — | — | US |
| 166.91.192.0/19 | 8.2K | DC-Net | AS33084 | US |
| 166.91.192.0/19 | 8.2K | DC-Net | AS33084 | US |
| 166.91.224.0/20 | 4.1K | DC-Net | AS33084 | US |
| 166.91.224.0/20 | 4.1K | DC-Net | AS33084 | US |
| 166.91.224.0/20 | 4.1K | — | — | US |
| 166.91.240.0/20 | 4.1K | — | — | US |
| 166.91.240.0/21 | 2.0K | DC-Net | AS33084 | US |
| 166.91.240.0/21 | 2.0K | DC-Net | AS33084 | US |
| 166.91.248.0/22 | 1.0K | DC-Net | AS33084 | US |
| 166.91.248.0/22 | 1.0K | DC-Net | AS33084 | US |
| 166.91.254.0/23 | 512 | DC-Net | AS33084 | US |
| 166.91.254.0/23 | 512 | DC-Net | AS33084 | US |
| 166.91.252.0/24 | 256 | DC-Net | AS33084 | US |
| 166.91.252.0/24 | 256 | DC-Net | AS33084 | US |
| 166.91.253.0/24 | 256 | Government of the District of Columbia | AS14072 | US |
| 166.91.253.0/24 | 256 | Government of the District of Columbia | AS14072 | US |
Geolocation
First 256 of 32,768 IP addresses in 166.91.128.0/17
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 166.91.0.0/16.
Frequently Asked Questions
What is 166.91.128.0/17?
166.91.128.0/17 is a CIDR network block containing 32,768 IPv4 addresses (from 166.91.128.0 to 166.91.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 166.91.128.0/17 network?
The 166.91.128.0/17 range is allocated to an unknown organization from United States.