147.70.9.0/25

Public

Class B — /25 prefix — 126 usable hosts

Network Address
147.70.9.0
Broadcast Address
147.70.9.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
147.70.9.1
Last Usable IP
147.70.9.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (147.70.9.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 147.70.9.127 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 126 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask — 255.255.255.128 is the dotted-decimal equivalent of /25. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 147.70.9.0/25
Network Address 147.70.9.0
Broadcast Address 147.70.9.127
Subnet Mask 255.255.255.128
Wildcard Mask 0.0.0.127
Prefix Length /25
IP Address Class Class B
Total IP Addresses 128
Usable Host Addresses 126
First Usable IP 147.70.9.1
Last Usable IP 147.70.9.126
Network (Hex) 0x93460900
Broadcast (Hex) 0x9346097F
Address Type Public / Globally Routable

Binary Representation

Network Address
10010011.01000110.00001001 10010011.01000110.00001001.00000000
Subnet Mask
11111111.11111111.11111111.10000000

The first 25 bits (1s in the mask) identify the network. The remaining 7 bits identify hosts within the network.

Split into Equal Subnets

Split 147.70.9.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 147.70.9.0/26 147.70.9.0 147.70.9.1 147.70.9.62 147.70.9.63 62
2 147.70.9.64/26 147.70.9.64 147.70.9.65 147.70.9.126 147.70.9.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

147.70.9.0 net
147.70.9.1
147.70.9.2
147.70.9.3
147.70.9.4
147.70.9.5
147.70.9.6
147.70.9.7
147.70.9.8
147.70.9.9
147.70.9.10
147.70.9.11
147.70.9.12
147.70.9.13
147.70.9.14
147.70.9.15
… 112 more IPs …

/25 Subnet Reference

Total IPs 128
Usable Hosts 126
Subnet Mask 255.255.255.128
Wildcard 0.0.0.127

Calculate Another