Skip to main content
WorldIP.io
CIDR Range

193.171.128.0/20

4.1K IPs /20 ACONET AS1853 Austria RIPE
Addresses
4,096
4.1K
Sub-ranges
0+
within this block
PTR Density
16.0%
656 of 4.1K 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 193.171.128.0/20

193.171.128.0/20 runs from 193.171.128.0 to 193.171.143.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 193.170.0.0/15.

Announced prefix
Origin AS
Announcement samples
23,953
Last seen
2026-11-13 09:19:35

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 New Allocation — AT

Frequently Asked Questions

What is 193.171.128.0/20?

193.171.128.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 193.171.128.0 to 193.171.143.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 193.171.128.0/20 network?

The 193.171.128.0/20 range is allocated to ACONET and announced via AS1853 from Austria.

Last updated: 2026-11-13 09:24:05 UTC
Share