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Percuma Subnet / CIDR Calculator
Calculate network address, broadcast, usable host range, subnet mask, and host count from any IPv4 address and CIDR prefix.
Runs in your browserNo sign-up, no pop-upsTiada log masuk diperlukanPercuma selama-lamanya
/
/0/8/16/24/32
254
Usable hosts
256
Total addresses
Network address192.168.1.0/24
Usable host range192.168.1.1 β 192.168.1.254
Broadcast address192.168.1.255
Subnet mask255.255.255.0
Wildcard mask0.0.0.255
Mask (binary)11111111.11111111.11111111.00000000
IP classC
Address typePrivate (RFC 1918)
IPv4 subnetting reference. /31 and /32 are handled per RFC 3021 (point-to-point and single-host). All math runs locally in your browser.
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Cara ia berfungsi
1
Masukkan
Masukkan teks atau data anda.
2
Proses
Diproses serta-merta dalam pelayar anda. Tiada pelayan, tiada menunggu.
3
Muat turun
Simpan keputusan anda. Tiada apa yang disimpan.
Mengapa alat kami?
βCompletely free β no hidden costs, ever
βNo account, email, or login required
βRuns entirely in your browser β no uploads
βWorks on any device β phone, tablet, desktop
βOpen and ad-supported, with no tracking
βLoads fast, with no installation needed
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