142.4.180.0/22

Public

Class B — /22 prefix — 1,022 usable hosts

Network Address
142.4.180.0
Broadcast Address
142.4.183.255
Subnet Mask
255.255.252.0
Usable Hosts
1,022
First Usable IP
142.4.180.1
Last Usable IP
142.4.183.254
Total IPs
1,024
Prefix Length
/22

Network address — the base address of the block (142.4.180.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 142.4.183.255 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 142.4.180.0/22
Network Address 142.4.180.0
Broadcast Address 142.4.183.255
Subnet Mask 255.255.252.0
Wildcard Mask 0.0.3.255
Prefix Length /22
IP Address Class Class B
Total IP Addresses 1,024
Usable Host Addresses 1,022
First Usable IP 142.4.180.1
Last Usable IP 142.4.183.254
Network (Hex) 0x8E04B400
Broadcast (Hex) 0x8E04B7FF
Address Type Public / Globally Routable

Binary Representation

Network Address
10001110.00000100 10001110.00000100.10110100.00000000
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 142.4.180.0/22 into 2 equal /23 subnets (510 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 142.4.180.0/23 142.4.180.0 142.4.180.1 142.4.181.254 142.4.181.255 510
2 142.4.182.0/23 142.4.182.0 142.4.182.1 142.4.183.254 142.4.183.255 510

/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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