5.252.18.120/30

Public

Class A — /30 prefix — 2 usable hosts

Network Address
5.252.18.120
Broadcast Address
5.252.18.123
Subnet Mask
255.255.255.252
Usable Hosts
2
First Usable IP
5.252.18.121
Last Usable IP
5.252.18.122
Total IPs
4
Prefix Length
/30

Network address — the base address of the block (5.252.18.120). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 5.252.18.123 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 2 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.252 is the dotted-decimal equivalent of /30. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 5.252.18.120/30
Network Address 5.252.18.120
Broadcast Address 5.252.18.123
Subnet Mask 255.255.255.252
Wildcard Mask 0.0.0.3
Prefix Length /30
IP Address Class Class A
Total IP Addresses 4
Usable Host Addresses 2
First Usable IP 5.252.18.121
Last Usable IP 5.252.18.122
Network (Hex) 0x05FC1278
Broadcast (Hex) 0x05FC127B
Address Type Public / Globally Routable

Binary Representation

Network Address
00000101.11111100.00010010 00000101.11111100.00010010.01111000
Subnet Mask
11111111.11111111.11111111.11111100

The first 30 bits (1s in the mask) identify the network. The remaining 2 bits identify hosts within the network.

All 4 IP Addresses in this Range

5.252.18.120 net
5.252.18.121
5.252.18.122
5.252.18.123 bcast

/30 Subnet Reference

Total IPs 4
Usable Hosts 2
Subnet Mask 255.255.255.252
Wildcard 0.0.0.3

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