Skip to main content
IpToolsKit
Search
Learn
IpToolsKit© 2025
Resources
OrganizationsLearn & GuidesTools
Tools
PingDNS LookupSpeed Test
Legal
Privacy PolicyAboutImprint

103.21.138.0/24

China

CIDR Block Overview

CIDR
103.21.138.0/24
Approx. Size
8,192 IPs
Mask
/19

Example IP Addresses

103.21.138.226
🇨🇳China
103.21.138.62
🇨🇳China
103.21.138.93
🇨🇳China
103.21.138.43
🇨🇳China
103.21.138.121
🇨🇳China
103.21.138.128
🇨🇳China
103.21.138.112
🇨🇳China
103.21.138.151
🇨🇳China

Network & Provider

Organization
China Unicom
Autonomous System Number
AS138421

Geographic Location

Country
China
CN