Addresses
4,096
4.1K
Sub-ranges
21+
within this block
PTR Density
8.8%
359 of 4.1K IPs have PTR
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.
76/100
Moderate
How this score is built
- Baseline (neutral) 65
- Long-established allocation (31y) +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 →
Ranges inside 205.213.0.0/20
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 205.213.0.0/21 | 2.0K | — | — | US |
| 205.213.12.0/22 | 1.0K | — | — | US |
| 205.213.12.0/22 | 1.0K | WiscNet | AS2381 | US |
| 205.213.12.0/22 | 1.0K | WiscNet | AS2381 | US |
| 205.213.4.0/22 | 1.0K | WiscNet | AS2381 | US |
| 205.213.4.0/22 | 1.0K | WiscNet | AS2381 | US |
| 205.213.10.0/23 | 512 | WiscNet | AS2381 | US |
| 205.213.10.0/23 | 512 | WiscNet | AS2381 | US |
| 205.213.10.0/23 | 512 | — | — | US |
| 205.213.0.0/23 | 512 | WiscNet | AS2381 | US |
| 205.213.0.0/23 | 512 | WiscNet | AS2381 | US |
| 205.213.8.0/24 | 256 | Winding Rivers Library System | AS401492 | US |
| 205.213.2.0/24 | 256 | WiscNet | AS2381 | US |
| 205.213.2.0/24 | 256 | WiscNet | AS2381 | US |
| 205.213.3.0/24 | 256 | WCAN | AS395963 | US |
| 205.213.3.0/24 | 256 | WCAN | AS395963 | US |
| 205.213.9.0/24 | 256 | — | — | US |
| 205.213.9.0/24 | 256 | WiscNet | AS2381 | US |
| 205.213.9.0/24 | 256 | WiscNet | AS2381 | US |
| 205.213.8.0/24 | 256 | — | — | US |
| 205.213.8.0/24 | 256 | Winding Rivers Library System | AS401492 | US |
Geolocation
First 256 of 4,096 IP addresses in 205.213.0.0/20
205.213.0.0
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+ 3.8K more (range too large to list inline)
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 205.213.0.0/16.
Announced prefix
Origin AS
Announcement samples
4,354
Last seen
2026-07-23 12:07:13
Frequently Asked Questions
What is 205.213.0.0/20?
205.213.0.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 205.213.0.0 to 205.213.15.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 205.213.0.0/20 network?
The 205.213.0.0/20 range is allocated to an unknown organization from United States.
Last updated: 2026-07-23 12:10:36 UTC
