30.73.216.0/22

Public

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

Network Address
30.73.216.0
Broadcast Address
30.73.219.255
Subnet Mask
255.255.252.0
Usable Hosts
1,022
First Usable IP
30.73.216.1
Last Usable IP
30.73.219.254
Total IPs
1,024
Prefix Length
/22

Network address — the base address of the block (30.73.216.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 30.73.219.255 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 30.73.216.0/22
Network Address 30.73.216.0
Broadcast Address 30.73.219.255
Subnet Mask 255.255.252.0
Wildcard Mask 0.0.3.255
Prefix Length /22
IP Address Class Class A
Total IP Addresses 1,024
Usable Host Addresses 1,022
First Usable IP 30.73.216.1
Last Usable IP 30.73.219.254
Network (Hex) 0x1E49D800
Broadcast (Hex) 0x1E49DBFF
Address Type Public / Globally Routable

Binary Representation

Network Address
00011110.01001001 00011110.01001001.11011000.00000000
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 30.73.216.0/22 into 2 equal /23 subnets (510 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 30.73.216.0/23 30.73.216.0 30.73.216.1 30.73.217.254 30.73.217.255 510
2 30.73.218.0/23 30.73.218.0 30.73.218.1 30.73.219.254 30.73.219.255 510

/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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