182.30.85.128/25

Public

Class B — /25 prefix — 126 usable hosts

Network Address
182.30.85.128
Broadcast Address
182.30.85.255
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
182.30.85.129
Last Usable IP
182.30.85.254
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (182.30.85.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 182.30.85.255 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 mask255.255.255.128 is the dotted-decimal equivalent of /25. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 182.30.85.128/25
Network Address 182.30.85.128
Broadcast Address 182.30.85.255
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 182.30.85.129
Last Usable IP 182.30.85.254
Network (Hex) 0xB61E5580
Broadcast (Hex) 0xB61E55FF
Address Type Public / Globally Routable

Binary Representation

Network Address
10110110.00011110.01010101 10110110.00011110.01010101.10000000
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 182.30.85.128/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 182.30.85.128/26 182.30.85.128 182.30.85.129 182.30.85.190 182.30.85.191 62
2 182.30.85.192/26 182.30.85.192 182.30.85.193 182.30.85.254 182.30.85.255 62

IP Address Sample

Showing first 16 of 128 total IPs.

182.30.85.128 net
182.30.85.129
182.30.85.130
182.30.85.131
182.30.85.132
182.30.85.133
182.30.85.134
182.30.85.135
182.30.85.136
182.30.85.137
182.30.85.138
182.30.85.139
182.30.85.140
182.30.85.141
182.30.85.142
182.30.85.143
… 112 more IPs …

/25 Subnet Reference

Total IPs 128
Usable Hosts 126
Subnet Mask 255.255.255.128
Wildcard 0.0.0.127

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