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CIDR Range

170.55.4.0/22

Addresses
1,024
1.0K
Sub-ranges
0+
within this block
PTR Density
24.9%
255 of 1.0K 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.

81/100
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 170.55.4.0/22

170.55.4.0/22 runs from 170.55.4.0 to 170.55.7.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 170.55.0.0/16.

Announced prefix
Origin AS
Announcement samples
23,462
Last seen
2026-11-03 02:01:14

Frequently Asked Questions

What is 170.55.4.0/22?

170.55.4.0/22 is a CIDR network block containing 1,024 IPv4 addresses (from 170.55.4.0 to 170.55.7.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 170.55.4.0/22 network?

The 170.55.4.0/22 range is allocated to Crown Castle Fiber LLC and announced via AS33132 from United States.

Last updated: 2026-11-03 02:09:05 UTC
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