45.57.159.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
45.57.159.64
Broadcast Address
45.57.159.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
45.57.159.65
Last Usable IP
45.57.159.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (45.57.159.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 45.57.159.95 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 30 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.224 is the dotted-decimal equivalent of /27. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 45.57.159.64/27
Network Address 45.57.159.64
Broadcast Address 45.57.159.95
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class A
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 45.57.159.65
Last Usable IP 45.57.159.94
Network (Hex) 0x2D399F40
Broadcast (Hex) 0x2D399F5F
Address Type Public / Globally Routable

Binary Representation

Network Address
00101101.00111001.10011111 00101101.00111001.10011111.01000000
Subnet Mask
11111111.11111111.11111111.11100000

The first 27 bits (1s in the mask) identify the network. The remaining 5 bits identify hosts within the network.

Split into Equal Subnets

Split 45.57.159.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 45.57.159.64/28 45.57.159.64 45.57.159.65 45.57.159.78 45.57.159.79 14
2 45.57.159.80/28 45.57.159.80 45.57.159.81 45.57.159.94 45.57.159.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

45.57.159.64 net
45.57.159.65
45.57.159.66
45.57.159.67
45.57.159.68
45.57.159.69
45.57.159.70
45.57.159.71
45.57.159.72
45.57.159.73
45.57.159.74
45.57.159.75
45.57.159.76
45.57.159.77
45.57.159.78
45.57.159.79
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

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