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CIDR Range

138.229.176.0/20

Addresses
4,096
4.1K
Sub-ranges
28+
within this block
PTR Density
99.7%
4.1K of 4.1K 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.

66/100
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 138.229.176.0/20

CIDRIPsOrganizationASNCountry
138.229.184.0/21 2.0K Charter Communications LLC AS22516 US
138.229.180.0/22 1.0K Charter Communications LLC AS22516 US
138.229.184.0/22 1.0K Charter Communications LLC AS22516 US
138.229.180.0/22 1.0K Charter Communications LLC AS22516 US
138.229.178.0/23 512 Charter Communications LLC AS22516 US
138.229.178.0/23 512 Charter Communications LLC AS22516 US
138.229.190.0/23 512 Charter Communications LLC AS22516 US
138.229.188.0/24 256 Charter Communications LLC AS22516 US
138.229.189.0/24 256 Charter Communications LLC AS22516 US
138.229.176.0/24 256 Charter Communications LLC AS22516 US
138.229.176.0/24 256 Charter Communications LLC AS22516 US
138.229.177.128/25 128 Charter Communications LLC AS22516 US
138.229.177.128/25 128 Charter Communications LLC AS22516 US
138.229.177.64/26 64 Charter Communications LLC AS22516 US
138.229.177.64/26 64 Charter Communications LLC AS22516 US
138.229.177.0/27 32 Charter Communications LLC AS22516 US
138.229.177.0/27 32 Charter Communications LLC AS22516 US
138.229.177.32/28 16 Charter Communications LLC AS22516 US
138.229.177.32/28 16 Charter Communications LLC AS22516 US
138.229.177.48/29 8 Charter Communications LLC AS22516 US
138.229.177.48/29 8 Charter Communications LLC AS22516 US
138.229.177.60/30 4 Charter Communications LLC AS22516 US
138.229.177.60/30 4 Charter Communications LLC AS22516 US
138.229.177.56/31 2 Charter Communications LLC AS22516 US
138.229.177.56/31 2 Charter Communications LLC AS22516 US
138.229.177.59/32 1 Charter Communications LLC AS22516 US
138.229.177.58/32 1 Charter Communications LLC AS22516 US
138.229.177.58/32 1 Charter Communications LLC AS22516 US

First and last addresses in 138.229.176.0/20

138.229.176.0/20 runs from 138.229.176.0 to 138.229.191.255.

First 16
Last 16

This block is announced in BGP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
⚠ 2 origins (MOAS)
Announcement samples
17,242
Last seen
2026-09-25 11:21:03

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 138.229.176.0/20?

138.229.176.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 138.229.176.0 to 138.229.191.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 138.229.176.0/20 network?

The 138.229.176.0/20 range is allocated to Charter Communications LLC and announced via AS22516 from United States.

Last updated: 2026-11-13 08:39:05 UTC
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