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CIDR Range

71.15.57.0/24

Addresses
256
256
Sub-ranges
33+
within this block
PTR Density
100.0%
256 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 71.15.57.0/24

CIDRIPsOrganizationASNCountry
71.15.57.224/27 32 Charter Communications LLC AS20115 US
71.15.57.64/27 32 Charter Communications LLC AS20115 US
71.15.57.192/28 16 Charter Communications LLC AS20115 US
71.15.57.0/28 16 Charter Communications LLC AS20115 US
71.15.57.48/28 16 Charter Communications LLC AS20115 US
71.15.57.176/29 8 Charter Communications LLC AS20115 US
71.15.57.120/29 8 Charter Communications LLC AS20115 US
71.15.57.184/29 8 Charter Communications LLC AS20115 US
71.15.57.104/29 8 Charter Communications LLC AS20115 US
71.15.57.96/29 8 Charter Communications LLC AS20115 US
71.15.57.16/29 8 Charter Communications LLC AS20115 US
71.15.57.208/29 8 Charter Communications LLC AS20115 US
71.15.57.128/29 8 Charter Communications LLC AS20115 US
71.15.57.164/30 4 Charter Communications LLC AS20115 US
71.15.57.168/30 4 Charter Communications LLC AS20115 US
71.15.57.160/30 4 Charter Communications LLC AS20115 US
71.15.57.172/30 4 Charter Communications LLC AS20115 US
71.15.57.36/30 4 Charter Communications LLC AS20115 US
71.15.57.216/30 4 Charter Communications LLC AS20115 US
71.15.57.220/30 4 Charter Communications LLC AS20115 US
71.15.57.156/30 4 Charter Communications LLC AS20115 US
71.15.57.152/30 4 Charter Communications LLC AS20115 US
71.15.57.40/30 4 Charter Communications LLC AS20115 US
71.15.57.44/30 4 Charter Communications LLC AS20115 US
71.15.57.32/30 4 Charter Communications LLC AS20115 US
71.15.57.28/30 4 Charter Communications LLC AS20115 US
71.15.57.112/30 4 Charter Communications LLC AS20115 US
71.15.57.116/30 4 Charter Communications LLC AS20115 US
71.15.57.24/30 4 Charter Communications LLC AS20115 US
71.15.57.140/30 4 Charter Communications LLC AS20115 US
71.15.57.144/30 4 Charter Communications LLC AS20115 US
71.15.57.148/30 4 Charter Communications LLC AS20115 US

First and last addresses in 71.15.57.0/24

71.15.57.0/24 runs from 71.15.57.0 to 71.15.57.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 71.15.48.0/20.

Announced prefix
Origin AS
Announcement samples
18,920
Last seen
2026-11-12 04:01:07

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 71.15.57.0/24?

71.15.57.0/24 is a CIDR network block containing 256 IPv4 addresses (from 71.15.57.0 to 71.15.57.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 71.15.57.0/24 network?

The 71.15.57.0/24 range is allocated to Charter Communications LLC and announced via AS20115 from United States.

How many IP addresses are in 71.15.57.0/24?

71.15.57.0/24 contains exactly 256 usable IPv4 addresses. A /24 prefix length means 256 addresses are covered by this single routing entry.

Last updated: 2026-11-12 04:54:05 UTC
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