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CIDR Range

173.215.96.0/21

Addresses
2,048
2.0K
Sub-ranges
22+
within this block
PTR Density
0.0%
0 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.

75/100
Moderate
How this score is built

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

Ranges inside 173.215.96.0/21

First and last addresses in 173.215.96.0/21

173.215.96.0/21 runs from 173.215.96.0 to 173.215.103.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 173.215.0.0/17.

Announced prefix
Origin AS
Announcement samples
11,425
Last seen
2026-11-13 18:38:58

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 — US

Frequently Asked Questions

What is 173.215.96.0/21?

173.215.96.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 173.215.96.0 to 173.215.103.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 173.215.96.0/21 network?

The 173.215.96.0/21 range is allocated to Aureon Network Services and announced via AS5056 from United States.

Last updated: 2026-11-13 19:09:05 UTC
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