Skip to main content
WorldIP.io
CIDR Range

171.22.220.0/23

Addresses
512
512
Sub-ranges
0+
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.

65/100
Moderate
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 171.22.220.0/23

171.22.220.0/23 runs from 171.22.220.0 to 171.22.221.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 171.22.220.0/22.

Announced prefix
Origin AS
Announcement samples
21,311
Last seen
2026-08-24 05:34:19

RIR Ownership History

Atom feed ⇲

Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.

Date Event From To
2026-05-10 Country Change DE LT

Frequently Asked Questions

What is 171.22.220.0/23?

171.22.220.0/23 is a CIDR network block containing 512 IPv4 addresses (from 171.22.220.0 to 171.22.221.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 171.22.220.0/23 network?

The 171.22.220.0/23 range is allocated to Simoresta UAB and announced via AS211373 from The Netherlands.

Last updated: 2026-10-27 12:39:05 UTC
Share