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CIDR Range

83.143.220.0/23

Addresses
512
512
Sub-ranges
14+
within this block
PTR Density
99.6%
510 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 →

Ranges inside 83.143.220.0/23

First and last addresses in 83.143.220.0/23

83.143.220.0/23 runs from 83.143.220.0 to 83.143.221.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 83.143.216.0/21.

Announced prefix
Origin AS
Announcement samples
31,227
Last seen
2026-11-13 16:35:57

Frequently Asked Questions

What is 83.143.220.0/23?

83.143.220.0/23 is a CIDR network block containing 512 IPv4 addresses (from 83.143.220.0 to 83.143.221.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 83.143.220.0/23 network?

The 83.143.220.0/23 range is allocated to Glesys Sweden AB and announced via AS42708 from Finland.

Last updated: 2026-11-13 16:54:05 UTC
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