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SubnetKit
Subnetting
CIDR
My IP
Contains (A ⊆ B)
Check if one IP set contains another
Difference
Overlap
Contains
Options
Merge/normalize containers first
Strict equality counts as contain
Set A (Containers)
192.168.0.0/16 10.0.0.0/8
Set B (Candidates)
192.168.1.0/24 192.168.1.100/32 172.16.0.0/16
Clear All
Quick Examples
Basic Containment
192.168.0.0/16... ⊆ 192.168.1.0/24...
Mixed Results
192.168.1.0/24... ⊆ 192.168.1.100/32...
Partial Overlap
192.168.1.0/25... ⊆ 192.168.1.0/24...
IPv6 Containment
2001:db8::/32... ⊆ 2001:db8:1::/48...
