177.249.34.0/25

Public

Class B — /25 prefix — 126 usable hosts

Network Address
177.249.34.0
Broadcast Address
177.249.34.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
177.249.34.1
Last Usable IP
177.249.34.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (177.249.34.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 177.249.34.127 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 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 177.249.34.0/25
Network Address 177.249.34.0
Broadcast Address 177.249.34.127
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 177.249.34.1
Last Usable IP 177.249.34.126
Network (Hex) 0xB1F92200
Broadcast (Hex) 0xB1F9227F
Address Type Public / Globally Routable

Binary Representation

Network Address
10110001.11111001.00100010 10110001.11111001.00100010.00000000
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 177.249.34.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 177.249.34.0/26 177.249.34.0 177.249.34.1 177.249.34.62 177.249.34.63 62
2 177.249.34.64/26 177.249.34.64 177.249.34.65 177.249.34.126 177.249.34.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

177.249.34.0 net
177.249.34.1
177.249.34.2
177.249.34.3
177.249.34.4
177.249.34.5
177.249.34.6
177.249.34.7
177.249.34.8
177.249.34.9
177.249.34.10
177.249.34.11
177.249.34.12
177.249.34.13
177.249.34.14
177.249.34.15
… 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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