Supernet

10.149.0.0/16 Supernet

10.149.0.0/16 is a private IPv4 supernet with mask 255.255.0.0. It holds 65,534 usable hosts (10.149.0.1–10.149.255.254) and contains 256 /24 subnets.

Supernet details

PropertyValue
Network address10.149.0.0
CIDR notation10.149.0.0/16
Subnet mask255.255.0.0
Wildcard mask0.0.255.255
Usable host range10.149.0.110.149.255.254
Broadcast address10.149.255.255
Total addresses65,536
Usable hosts65,534
Contained /24 subnets256

How it splits into /24s

A /16 keeps 16 network bits and 16 host bits. It is most often divided into 256 /24 networks — 10.149.0.0/24, 10.149.1.0/24, … 10.149.255.0/24 — one per value of the third octet.

This block is part of the private range 10.0.0.0/8 (RFC 1918), reserved for internal networks.

Split it your way

Use our subnet calculator to divide this /16 into any prefix from /17 to /30.

Frequently asked questions

What is the subnet mask for 10.149.0.0/16?

A /16 uses mask 255.255.0.0 (wildcard 0.0.255.255), giving 65,536 total addresses and 65,534 usable hosts.

How many /24 subnets are in 10.149.0.0/16?

256 — one for each value of the third octet, from 10.149.0.0/24 to 10.149.255.0/24.

How many hosts does a /16 support?

65,534 usable hosts (65,536 total minus the network and broadcast addresses).

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