CIDR Range
204.137.18.0/23
Addresses
512
512
Sub-ranges
2+
within this block
PTR Density
0.0%
0 of 512 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.
62/100
Moderate
How this score is built
- Baseline (neutral) 65
- Recently allocated (0y) −3
- Trust score 62 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 204.137.18.0/23
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 204.137.18.0/24 | 256 | DAVIDSON KEMPNER CAPITAL MANAGEMENT LP | AS13458 | US |
| 204.137.19.0/24 | 256 | DAVIDSON KEMPNER CAPITAL MANAGEMENT LP | AS13458 | US |
First and last addresses in 204.137.18.0/23
204.137.18.0/23 runs from 204.137.18.0 to 204.137.19.255.
First 16
204.137.18.0
204.137.18.1
204.137.18.2
204.137.18.3
204.137.18.4
204.137.18.5
204.137.18.6
204.137.18.7
204.137.18.8
204.137.18.9
204.137.18.10
204.137.18.11
204.137.18.12
204.137.18.13
204.137.18.14
204.137.18.15
Last 16
Frequently Asked Questions
What is 204.137.18.0/23?
204.137.18.0/23 is a CIDR network block containing 512 IPv4 addresses (from 204.137.18.0 to 204.137.19.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 204.137.18.0/23 network?
The 204.137.18.0/23 range is allocated to DAVIDSON KEMPNER CAPITAL MANAGEMENT LP and announced via AS13458 from United Kingdom.
Last updated: 2026-11-13 10:54:05 UTC
