CIDR Range

72.45.131.0/24

256 IPs /24 Charter Communications, Inc AS11351 United States ARIN

Addresses

256

IP Range

72.45.131.0

→ 72.45.131.255

Sub-ranges

25+

within this block

PTR Density

99.6%

255 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

Baseline (neutral) 65
Long-established allocation (20y) +6
Has a reverse-DNS (PTR) record +5
Isp allocation +5
Trust score 81 / 100

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

Ranges inside 72.45.131.0/24

CIDR	IPs	Organization	ASN	Country
72.45.131.0/27	32	Charter Communications, Inc	AS11351	US
72.45.131.208/28	16	Charter Communications, Inc	AS11351	US
72.45.131.160/28	16	Charter Communications, Inc	AS11351	US
72.45.131.240/28	16	Charter Communications, Inc	AS11351	US
72.45.131.128/28	16	Charter Communications, Inc	AS11351	US
72.45.131.80/28	16	Charter Communications, Inc	AS11351	US
72.45.131.32/28	16	Charter Communications, Inc	AS11351	US
72.45.131.72/29	8	Charter Communications, Inc	AS11351	US
72.45.131.232/29	8	Charter Communications, Inc	AS11351	US
72.45.131.224/29	8	Charter Communications, Inc	AS11351	US
72.45.131.192/29	8	Charter Communications, Inc	AS11351	US
72.45.131.176/29	8	Charter Communications, Inc	AS11351	US
72.45.131.48/29	8	Charter Communications, Inc	AS11351	US
72.45.131.152/29	8	Charter Communications, Inc	AS11351	US
72.45.131.56/29	8	Charter Communications, Inc	AS11351	US
72.45.131.96/29	8	Charter Communications, Inc	AS11351	US
72.45.131.104/29	8	Charter Communications, Inc	AS11351	US
72.45.131.112/29	8	Charter Communications, Inc	AS11351	US
72.45.131.144/29	8	Charter Communications, Inc	AS11351	US
72.45.131.120/29	8	Charter Communications, Inc	AS11351	US
72.45.131.64/29	8	Charter Communications, Inc	AS11351	US
72.45.131.204/30	4	Charter Communications, Inc	AS11351	US
72.45.131.188/30	4	Charter Communications, Inc	AS11351	US
72.45.131.184/30	4	Charter Communications, Inc	AS11351	US
72.45.131.200/30	4	Charter Communications, Inc	AS11351	US

First and last addresses in 72.45.131.0/24

72.45.131.0/24 runs from 72.45.131.0 to 72.45.131.255.

First 16

72.45.131.0 72.45.131.1 72.45.131.2 72.45.131.3 72.45.131.4 72.45.131.5 72.45.131.6 72.45.131.7 72.45.131.8 72.45.131.9 72.45.131.10 72.45.131.11 72.45.131.12 72.45.131.13 72.45.131.14 72.45.131.15

Last 16

72.45.131.240 72.45.131.241 72.45.131.242 72.45.131.243 72.45.131.244 72.45.131.245 72.45.131.246 72.45.131.247 72.45.131.248 72.45.131.249 72.45.131.250 72.45.131.251 72.45.131.252 72.45.131.253 72.45.131.254 72.45.131.255

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 72.45.128.0/17.

Announced prefix

72.45.128.0/17

Origin AS

AS11351

Announcement samples

18,112

Last seen

2026-10-27 14:56:16

Frequently Asked Questions

What is 72.45.131.0/24?

72.45.131.0/24 is a CIDR network block containing 256 IPv4 addresses (from 72.45.131.0 to 72.45.131.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 72.45.131.0/24 network?

The 72.45.131.0/24 range is allocated to Charter Communications, Inc and announced via AS11351 from United States.

How many IP addresses are in 72.45.131.0/24?

72.45.131.0/24 contains exactly 256 usable IPv4 addresses. A /24 prefix length means 256 addresses are covered by this single routing entry.

Last updated: 2026-10-27 15:24:06 UTC