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CIDR Range

117.18.0.0/23

Addresses
512
512
Sub-ranges
0+
within this block
PTR Density
2.1%
11 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.

80/100
Trusted
How this score is built

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

Geolocation

First and last addresses in 117.18.0.0/23

117.18.0.0/23 runs from 117.18.0.0 to 117.18.1.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 117.18.0.0/20.

Announced prefix
Origin AS
Announcement samples
29,994
Last seen
2026-10-28 04:56:50

Frequently Asked Questions

What is 117.18.0.0/23?

117.18.0.0/23 is a CIDR network block containing 512 IPv4 addresses (from 117.18.0.0 to 117.18.1.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 117.18.0.0/23 network?

The 117.18.0.0/23 range is allocated to CTG Server Limited and announced via AS152194 from Hong Kong.

Last updated: 2026-11-01 19:39:06 UTC
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