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

203.213.4.240/28

Australia

CIDR Block Overview

CIDR
203.213.4.240/28
Approx. Size
8,192 IPs
Mask
/19

Example IP Addresses

203.213.4.251
🇦🇺Australia
203.213.4.249
🇦🇺Australia
203.213.4.253
🇦🇺Australia
203.213.4.248
🇦🇺Australia
203.213.4.247
🇦🇺Australia
203.213.4.245
🇦🇺Australia
203.213.4.250
🇦🇺Australia

Network & Provider

Organization
Optus
Autonomous System Number
AS4804

Geographic Location

Country
Australia
AU