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CIDR Range

142.105.81.0/24

256 IPs /24 Charter Communications, Inc AS12271 United States ARIN
Addresses
256
256
IP Range
142.105.81.0
→ 142.105.81.255
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.

78/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 142.105.81.0/24

CIDRIPsOrganizationASNCountry
142.105.81.160/27 32 Charter Communications, Inc AS12271 US
142.105.81.224/28 16 Charter Communications, Inc AS12271 US
142.105.81.16/28 16 Charter Communications, Inc AS12271 US
142.105.81.32/28 16 Charter Communications, Inc AS12271 US
142.105.81.200/29 8 Charter Communications, Inc AS12271 US
142.105.81.192/29 8 Charter Communications, Inc AS12271 US
142.105.81.120/29 8 Charter Communications, Inc AS12271 US
142.105.81.128/29 8 Charter Communications, Inc AS12271 US
142.105.81.136/29 8 Charter Communications, Inc AS12271 US
142.105.81.144/29 8 Charter Communications, Inc AS12271 US
142.105.81.104/29 8 Charter Communications, Inc AS12271 US
142.105.81.88/29 8 Charter Communications, Inc AS12271 US
142.105.81.0/29 8 Charter Communications, Inc AS12271 US
142.105.81.240/29 8 Charter Communications, Inc AS12271 US
142.105.81.48/29 8 Charter Communications, Inc AS12271 US
142.105.81.56/29 8 Charter Communications, Inc AS12271 US
142.105.81.64/29 8 Charter Communications, Inc AS12271 US
142.105.81.72/29 8 Charter Communications, Inc AS12271 US
142.105.81.216/29 8 Charter Communications, Inc AS12271 US
142.105.81.208/30 4 Charter Communications, Inc AS12271 US
142.105.81.248/30 4 Charter Communications, Inc AS12271 US
142.105.81.212/30 4 Charter Communications, Inc AS12271 US
142.105.81.156/30 4 Charter Communications, Inc AS12271 US
142.105.81.152/30 4 Charter Communications, Inc AS12271 US
142.105.81.8/30 4 Charter Communications, Inc AS12271 US
142.105.81.12/30 4 Charter Communications, Inc AS12271 US
142.105.81.80/30 4 Charter Communications, Inc AS12271 US
142.105.81.84/30 4 Charter Communications, Inc AS12271 US
142.105.81.96/30 4 Charter Communications, Inc AS12271 US
142.105.81.100/30 4 Charter Communications, Inc AS12271 US
142.105.81.112/30 4 Charter Communications, Inc AS12271 US
142.105.81.116/30 4 Charter Communications, Inc AS12271 US

First and last addresses in 142.105.81.0/24

142.105.81.0/24 runs from 142.105.81.0 to 142.105.81.255.

First 16
142.105.81.0 142.105.81.1 142.105.81.2 142.105.81.3 142.105.81.4 142.105.81.5 142.105.81.6 142.105.81.7 142.105.81.8 142.105.81.9 142.105.81.10 142.105.81.11 142.105.81.12 142.105.81.13 142.105.81.14 142.105.81.15
Last 16
142.105.81.240 142.105.81.241 142.105.81.242 142.105.81.243 142.105.81.244 142.105.81.245 142.105.81.246 142.105.81.247 142.105.81.248 142.105.81.249 142.105.81.250 142.105.81.251 142.105.81.252 142.105.81.253 142.105.81.254 142.105.81.255

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 142.105.0.0/17.

Announced prefix
142.105.0.0/17
Origin AS
AS12271
Announcement samples
18,746
Last seen
2026-11-13 15:51:32

Frequently Asked Questions

What is 142.105.81.0/24?

142.105.81.0/24 is a CIDR network block containing 256 IPv4 addresses (from 142.105.81.0 to 142.105.81.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 142.105.81.0/24 network?

The 142.105.81.0/24 range is allocated to Charter Communications, Inc and announced via AS12271 from United States.

How many IP addresses are in 142.105.81.0/24?

142.105.81.0/24 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 16:24:05 UTC
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