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

42.1.80.0/23

South Korea

CIDR Block Overview

CIDR
42.1.80.0/23
Approx. Size
1,048,576 IPs
Mask
/12

Example IP Addresses

42.1.81.69
🇰🇷South Korea
42.1.80.19
🇰🇷South Korea
42.1.80.241
🇰🇷South Korea
42.1.80.88
🇰🇷South Korea
42.1.80.233
🇰🇷South Korea
42.1.80.138
🇰🇷South Korea
42.1.80.207
🇰🇷South Korea
42.1.80.143
🇰🇷South Korea

Network & Provider

Organization
SK Telecom
Autonomous System Number
AS9644

Geographic Location

Country
South Korea
KR