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CIDR Range

208.85.10.0/23

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.

67/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 208.85.10.0/23

First and last addresses in 208.85.10.0/23

208.85.10.0/23 runs from 208.85.10.0 to 208.85.11.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 208.85.8.0/22.

Announced prefix
Origin AS
Announcement samples
39,854
Last seen
2026-11-13 10:40:58

Frequently Asked Questions

What is 208.85.10.0/23?

208.85.10.0/23 is a CIDR network block containing 512 IPv4 addresses (from 208.85.10.0 to 208.85.11.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 208.85.10.0/23 network?

The 208.85.10.0/23 range is allocated to CASTRO TELECOM LLC and announced via AS19577 from United States.

Last updated: 2026-11-13 10:54:05 UTC
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