249.252.148.0/22

Public

Class E (Reserved) — /22 prefix — 1,022 usable hosts

Network Address
249.252.148.0
Broadcast Address
249.252.151.255
Subnet Mask
255.255.252.0
Usable Hosts
1,022
First Usable IP
249.252.148.1
Last Usable IP
249.252.151.254
Total IPs
1,024
Prefix Length
/22

Network address — the base address of the block (249.252.148.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 249.252.151.255 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 1,022 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.252.0 is the dotted-decimal equivalent of /22. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 249.252.148.0/22
Network Address 249.252.148.0
Broadcast Address 249.252.151.255
Subnet Mask 255.255.252.0
Wildcard Mask 0.0.3.255
Prefix Length /22
IP Address Class Class E (Reserved)
Total IP Addresses 1,024
Usable Host Addresses 1,022
First Usable IP 249.252.148.1
Last Usable IP 249.252.151.254
Network (Hex) 0xF9FC9400
Broadcast (Hex) 0xF9FC97FF
Address Type Public / Globally Routable

Binary Representation

Network Address
11111001.11111100 11111001.11111100.10010100.00000000
Subnet Mask
11111111.11111111.11111100.00000000

The first 22 bits (1s in the mask) identify the network. The remaining 10 bits identify hosts within the network.

Split into Equal Subnets

Split 249.252.148.0/22 into 2 equal /23 subnets (510 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 249.252.148.0/23 249.252.148.0 249.252.148.1 249.252.149.254 249.252.149.255 510
2 249.252.150.0/23 249.252.150.0 249.252.150.1 249.252.151.254 249.252.151.255 510

/22 Subnet Reference

Total IPs 1,024
Usable Hosts 1,022
Subnet Mask 255.255.252.0
Wildcard 0.0.3.255

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