154.252.104.128/25

Public

Class B — /25 prefix — 126 usable hosts

Network Address
154.252.104.128
Broadcast Address
154.252.104.255
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
154.252.104.129
Last Usable IP
154.252.104.254
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (154.252.104.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 154.252.104.255 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 154.252.104.128/25
Network Address 154.252.104.128
Broadcast Address 154.252.104.255
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 154.252.104.129
Last Usable IP 154.252.104.254
Network (Hex) 0x9AFC6880
Broadcast (Hex) 0x9AFC68FF
Address Type Public / Globally Routable

Binary Representation

Network Address
10011010.11111100.01101000 10011010.11111100.01101000.10000000
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 154.252.104.128/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 154.252.104.128/26 154.252.104.128 154.252.104.129 154.252.104.190 154.252.104.191 62
2 154.252.104.192/26 154.252.104.192 154.252.104.193 154.252.104.254 154.252.104.255 62

IP Address Sample

Showing first 16 of 128 total IPs.

154.252.104.128 net
154.252.104.129
154.252.104.130
154.252.104.131
154.252.104.132
154.252.104.133
154.252.104.134
154.252.104.135
154.252.104.136
154.252.104.137
154.252.104.138
154.252.104.139
154.252.104.140
154.252.104.141
154.252.104.142
154.252.104.143
… 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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