151.7.98.0/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
151.7.98.0
Broadcast Address
151.7.98.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
151.7.98.1
Last Usable IP
151.7.98.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (151.7.98.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 151.7.98.31 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 151.7.98.0/27
Network Address 151.7.98.0
Broadcast Address 151.7.98.31
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 151.7.98.1
Last Usable IP 151.7.98.30
Network (Hex) 0x97076200
Broadcast (Hex) 0x9707621F
Address Type Public / Globally Routable

Binary Representation

Network Address
10010111.00000111.01100010 10010111.00000111.01100010.00000000
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 151.7.98.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 151.7.98.0/28 151.7.98.0 151.7.98.1 151.7.98.14 151.7.98.15 14
2 151.7.98.16/28 151.7.98.16 151.7.98.17 151.7.98.30 151.7.98.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

151.7.98.0 net
151.7.98.1
151.7.98.2
151.7.98.3
151.7.98.4
151.7.98.5
151.7.98.6
151.7.98.7
151.7.98.8
151.7.98.9
151.7.98.10
151.7.98.11
151.7.98.12
151.7.98.13
151.7.98.14
151.7.98.15
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

Calculate Another