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CIDR Range

66.128.120.0/24

Addresses
256
256
Sub-ranges
26+
within this block
PTR Density
98.4%
252 of 256 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 →

Ranges inside 66.128.120.0/24

CIDRIPsOrganizationASNCountry
66.128.120.64/26 64 Charter Communications LLC AS20115 US
66.128.120.32/27 32 Charter Communications LLC AS20115 US
66.128.120.0/28 16 Charter Communications LLC AS20115 US
66.128.120.240/28 16 Charter Communications LLC AS20115 US
66.128.120.128/28 16 Charter Communications LLC AS20115 US
66.128.120.24/29 8 Charter Communications LLC AS20115 US
66.128.120.176/29 8 Charter Communications LLC AS20115 US
66.128.120.192/29 8 Charter Communications LLC AS20115 US
66.128.120.216/29 8 Charter Communications LLC AS20115 US
66.128.120.224/29 8 Charter Communications LLC AS20115 US
66.128.120.144/29 8 Charter Communications LLC AS20115 US
66.128.120.232/29 8 Charter Communications LLC AS20115 US
66.128.120.208/30 4 Charter Communications LLC AS20115 US
66.128.120.204/30 4 Charter Communications LLC AS20115 US
66.128.120.200/30 4 Charter Communications LLC AS20115 US
66.128.120.212/30 4 Charter Communications LLC AS20115 US
66.128.120.188/30 4 Charter Communications LLC AS20115 US
66.128.120.184/30 4 Charter Communications LLC AS20115 US
66.128.120.16/30 4 Charter Communications LLC AS20115 US
66.128.120.168/30 4 Charter Communications LLC AS20115 US
66.128.120.164/30 4 Charter Communications LLC AS20115 US
66.128.120.160/30 4 Charter Communications LLC AS20115 US
66.128.120.156/30 4 Charter Communications LLC AS20115 US
66.128.120.152/30 4 Charter Communications LLC AS20115 US
66.128.120.20/30 4 Charter Communications LLC AS20115 US
66.128.120.172/30 4 Charter Communications LLC AS20115 US

First and last addresses in 66.128.120.0/24

66.128.120.0/24 runs from 66.128.120.0 to 66.128.120.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 66.128.96.0/19.

Announced prefix
Origin AS
Announcement samples
19,002
Last seen
2026-11-13 09:19:43

Frequently Asked Questions

What is 66.128.120.0/24?

66.128.120.0/24 is a CIDR network block containing 256 IPv4 addresses (from 66.128.120.0 to 66.128.120.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 66.128.120.0/24 network?

The 66.128.120.0/24 range is allocated to Charter Communications LLC and announced via AS20115 from United States.

How many IP addresses are in 66.128.120.0/24?

66.128.120.0/24 contains exactly 256 usable IPv4 addresses. A /24 prefix length means 256 addresses are covered by this single routing entry.

Last updated: 2026-11-13 09:39:05 UTC
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