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CIDR Range

64.233.144.0/20

Addresses
4,096
4.1K
Sub-ranges
0+
within this block
PTR Density
81.8%
3.4K 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.

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 64.233.144.0/20

64.233.144.0/20 runs from 64.233.144.0 to 64.233.159.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 64.233.128.0/19.

Announced prefix
Origin AS
Announcement samples
67,724
Last seen
2026-11-13 04:26:20

Frequently Asked Questions

What is 64.233.144.0/20?

64.233.144.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 64.233.144.0 to 64.233.159.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 64.233.144.0/20 network?

The 64.233.144.0/20 range is allocated to Ritter Communications and announced via AS23404 from United States.

Last updated: 2026-11-13 04:39:05 UTC
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