Skip to main content
WorldIP.io
CIDR Range

38.101.208.0/22

Addresses
1,024
1.0K
Sub-ranges
39+
within this block
PTR Density
13.5%
138 of 1.0K 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 38.101.208.0/22

CIDRIPsOrganizationASNCountry
38.101.208.0/23 512 Cogent Communications, LLC AS174 US
38.101.208.0/23 512 Cogent Communications, LLC AS174 US
38.101.208.0/24 256 Cogent Communications, LLC AS174 US
38.101.210.0/24 256 Cogent Communications, LLC AS174 US
38.101.210.0/24 256 Cogent Communications, LLC AS174 US
38.101.209.0/24 256 Cogent Communications, LLC AS174 US
38.101.211.128/25 128 Cogent Communications, LLC AS174 US
38.101.211.128/25 128 Cogent Communications, LLC AS174 US
38.101.211.0/26 64 Cogent Communications, LLC AS174 DE
38.101.211.64/26 64 Cogent Communications, LLC AS174 US
38.101.211.64/26 64 Cogent Communications, LLC AS174 US
38.101.210.64/26 64 Cogent Communications, LLC AS174 US
38.101.210.192/26 64 Cogent Communications, LLC AS174 US
38.101.211.32/27 32 Cogent Communications, LLC AS174 US
38.101.211.32/27 32 Cogent Communications, LLC AS174 US
38.101.211.192/27 32 Cogent Communications, LLC AS174 US
38.101.211.0/27 32 Cogent Communications, LLC AS174 NL
38.101.211.96/27 32 Cogent Communications, LLC AS174 US
38.101.211.0/27 32 Cogent Communications, LLC AS174 US
38.101.210.0/27 32 Cogent Communications, LLC AS174 US
38.101.210.176/28 16 Cogent Communications, LLC AS174 US
38.101.211.224/28 16 Cogent Communications, LLC AS174 US
38.101.211.176/28 16 Cogent Communications, LLC AS174 US
38.101.211.160/28 16 Cogent Communications, LLC AS174 US
38.101.211.144/28 16 Cogent Communications, LLC AS174 US
38.101.210.32/28 16 Cogent Communications, LLC AS174 US
38.101.211.128/28 16 Cogent Communications, LLC AS174 US
38.101.211.240/28 16 Cogent Communications, LLC AS174 US
38.101.210.144/28 16 Cogent Communications, LLC AS174 US
38.101.210.128/28 16 Cogent Communications, LLC AS174 US
38.101.210.160/29 8 Cogent Communications, LLC AS174 US
38.101.211.64/29 8 Cogent Communications, LLC AS174 US

First and last addresses in 38.101.208.0/22

38.101.208.0/22 runs from 38.101.208.0 to 38.101.211.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 38.0.0.0/8.

Announced prefix
Origin AS
Announcement samples
17,688
Last seen
2026-11-13 09:39:56

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 38.101.208.0/22?

38.101.208.0/22 is a CIDR network block containing 1,024 IPv4 addresses (from 38.101.208.0 to 38.101.211.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 38.101.208.0/22 network?

The 38.101.208.0/22 range is allocated to Cogent Communications, LLC and announced via AS174 from United States.

Last updated: 2026-11-13 10:24:05 UTC
Share