157.178.10.0/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
157.178.10.0
Broadcast Address
157.178.10.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
157.178.10.1
Last Usable IP
157.178.10.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (157.178.10.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 157.178.10.31 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 157.178.10.0/27
Network Address 157.178.10.0
Broadcast Address 157.178.10.31
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 157.178.10.1
Last Usable IP 157.178.10.30
Network (Hex) 0x9DB20A00
Broadcast (Hex) 0x9DB20A1F
Address Type Public / Globally Routable

Binary Representation

Network Address
10011101.10110010.00001010 10011101.10110010.00001010.00000000
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 157.178.10.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 157.178.10.0/28 157.178.10.0 157.178.10.1 157.178.10.14 157.178.10.15 14
2 157.178.10.16/28 157.178.10.16 157.178.10.17 157.178.10.30 157.178.10.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

157.178.10.0 net
157.178.10.1
157.178.10.2
157.178.10.3
157.178.10.4
157.178.10.5
157.178.10.6
157.178.10.7
157.178.10.8
157.178.10.9
157.178.10.10
157.178.10.11
157.178.10.12
157.178.10.13
157.178.10.14
157.178.10.15
… 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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