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CIDR Range

193.240.176.0/21

Addresses
2,048
2.0K
Sub-ranges
25+
within this block
PTR Density
0.4%
9 of 2.0K 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 193.240.176.0/21

First and last addresses in 193.240.176.0/21

193.240.176.0/21 runs from 193.240.176.0 to 193.240.183.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 193.240.0.0/16.

Announced prefix
Origin AS
Announcement samples
15,433
Last seen
2026-10-27 09:21:44

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 — GB

Frequently Asked Questions

What is 193.240.176.0/21?

193.240.176.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 193.240.176.0 to 193.240.183.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 193.240.176.0/21 network?

The 193.240.176.0/21 range is allocated to Level 3 Parent, LLC and announced via AS3549 from United Kingdom.

Last updated: 2026-10-27 09:39:05 UTC
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