157.72.70.192/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
157.72.70.192
Broadcast Address
157.72.70.223
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
157.72.70.193
Last Usable IP
157.72.70.222
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (157.72.70.192). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 157.72.70.223 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 157.72.70.192/27
Network Address 157.72.70.192
Broadcast Address 157.72.70.223
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class B
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 157.72.70.193
Last Usable IP 157.72.70.222
Network (Hex) 0x9D4846C0
Broadcast (Hex) 0x9D4846DF
Address Type Public / Globally Routable

Binary Representation

Network Address
10011101.01001000.01000110 10011101.01001000.01000110.11000000
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 157.72.70.192/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 157.72.70.192/28 157.72.70.192 157.72.70.193 157.72.70.206 157.72.70.207 14
2 157.72.70.208/28 157.72.70.208 157.72.70.209 157.72.70.222 157.72.70.223 14

IP Address Sample

Showing first 16 of 32 total IPs.

157.72.70.192 net
157.72.70.193
157.72.70.194
157.72.70.195
157.72.70.196
157.72.70.197
157.72.70.198
157.72.70.199
157.72.70.200
157.72.70.201
157.72.70.202
157.72.70.203
157.72.70.204
157.72.70.205
157.72.70.206
157.72.70.207
… 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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