70.237.121.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
70.237.121.64
Broadcast Address
70.237.121.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
70.237.121.65
Last Usable IP
70.237.121.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (70.237.121.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 70.237.121.95 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 70.237.121.64/27
Network Address 70.237.121.64
Broadcast Address 70.237.121.95
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 70.237.121.65
Last Usable IP 70.237.121.94
Network (Hex) 0x46ED7940
Broadcast (Hex) 0x46ED795F
Address Type Public / Globally Routable

Binary Representation

Network Address
01000110.11101101.01111001 01000110.11101101.01111001.01000000
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 70.237.121.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 70.237.121.64/28 70.237.121.64 70.237.121.65 70.237.121.78 70.237.121.79 14
2 70.237.121.80/28 70.237.121.80 70.237.121.81 70.237.121.94 70.237.121.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

70.237.121.64 net
70.237.121.65
70.237.121.66
70.237.121.67
70.237.121.68
70.237.121.69
70.237.121.70
70.237.121.71
70.237.121.72
70.237.121.73
70.237.121.74
70.237.121.75
70.237.121.76
70.237.121.77
70.237.121.78
70.237.121.79
… 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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