IPRangeExplorer

23.252.1.128/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
23.252.1.128
Broadcast Address
23.252.1.255
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
23.252.1.129
Last Usable IP
23.252.1.254
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (23.252.1.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 23.252.1.255 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 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 23.252.1.128/25
Network Address 23.252.1.128
Broadcast Address 23.252.1.255
Subnet Mask 255.255.255.128
Wildcard Mask 0.0.0.127
Prefix Length /25
IP Address Class Class A
Total IP Addresses 128
Usable Host Addresses 126
First Usable IP 23.252.1.129
Last Usable IP 23.252.1.254
Network (Hex) 0x17FC0180
Broadcast (Hex) 0x17FC01FF
Address Type Public / Globally Routable

Binary Representation

Network Address
00010111.11111100.00000001 00010111.11111100.00000001.10000000
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 23.252.1.128/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 23.252.1.128/26 23.252.1.128 23.252.1.129 23.252.1.190 23.252.1.191 62
2 23.252.1.192/26 23.252.1.192 23.252.1.193 23.252.1.254 23.252.1.255 62

IP Address Sample

Showing first 16 of 128 total IPs.

23.252.1.128 net
23.252.1.129
23.252.1.130
23.252.1.131
23.252.1.132
23.252.1.133
23.252.1.134
23.252.1.135
23.252.1.136
23.252.1.137
23.252.1.138
23.252.1.139
23.252.1.140
23.252.1.141
23.252.1.142
23.252.1.143
… 112 more IPs …

/25 Subnet Reference

Total IPs 128
Usable Hosts 126
Subnet Mask 255.255.255.128
Wildcard 0.0.0.127
Full /25 reference →

Related Ranges

Parent /24 block 23.252.1.0/24 Sibling /25 block 23.252.1.0/25

Adjacent Prefix Sizes

/23 510 hosts /24 254 hosts /25 126 hosts /26 62 hosts /27 30 hosts

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