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CIDR Range

66.57.156.0/24

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 66.57.156.0/24

CIDRIPsOrganizationASNCountry
66.57.156.32/27 32 Charter Communications, Inc AS11426 US
66.57.156.64/27 32 Charter Communications, Inc AS11426 US
66.57.156.192/27 32 Charter Communications, Inc AS11426 US
66.57.156.0/28 16 Charter Communications, Inc AS11426 US
66.57.156.96/28 16 Charter Communications, Inc AS11426 US
66.57.156.152/29 8 Charter Communications, Inc AS11426 US
66.57.156.168/29 8 Charter Communications, Inc AS11426 US
66.57.156.184/29 8 Charter Communications, Inc AS11426 US
66.57.156.224/29 8 Charter Communications, Inc AS11426 US
66.57.156.232/29 8 Charter Communications, Inc AS11426 US
66.57.156.240/29 8 Charter Communications, Inc AS11426 US
66.57.156.248/29 8 Charter Communications, Inc AS11426 US
66.57.156.136/29 8 Charter Communications, Inc AS11426 US
66.57.156.128/29 8 Charter Communications, Inc AS11426 US
66.57.156.16/29 8 Charter Communications, Inc AS11426 US
66.57.156.24/29 8 Charter Communications, Inc AS11426 US
66.57.156.144/30 4 Charter Communications, Inc AS11426 US
66.57.156.112/30 4 Charter Communications, Inc AS11426 US
66.57.156.116/30 4 Charter Communications, Inc AS11426 US
66.57.156.120/30 4 Charter Communications, Inc AS11426 US
66.57.156.180/30 4 Charter Communications, Inc AS11426 US
66.57.156.176/30 4 Charter Communications, Inc AS11426 US
66.57.156.124/30 4 Charter Communications, Inc AS11426 US
66.57.156.164/30 4 Charter Communications, Inc AS11426 US
66.57.156.160/30 4 Charter Communications, Inc AS11426 US
66.57.156.148/30 4 Charter Communications, Inc AS11426 US

First and last addresses in 66.57.156.0/24

66.57.156.0/24 runs from 66.57.156.0 to 66.57.156.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 66.57.0.0/16.

Announced prefix
Origin AS
Announcement samples
20,973
Last seen
2026-11-04 23:01:20

Frequently Asked Questions

What is 66.57.156.0/24?

66.57.156.0/24 is a CIDR network block containing 256 IPv4 addresses (from 66.57.156.0 to 66.57.156.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 66.57.156.0/24 network?

The 66.57.156.0/24 range is allocated to Charter Communications, Inc and announced via AS11426 from United States.

How many IP addresses are in 66.57.156.0/24?

66.57.156.0/24 contains exactly 256 usable IPv4 addresses. A /24 prefix length means 256 addresses are covered by this single routing entry.

Last updated: 2026-11-04 23:09:06 UTC
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