255.43.141.0/25

Public

Class E (Reserved) — /25 prefix — 126 usable hosts

Network Address

255.43.141.0

Broadcast Address

255.43.141.127

Subnet Mask

255.255.255.128

Usable Hosts

126

First Usable IP

255.43.141.1

Last Usable IP

255.43.141.126

Total IPs

128

Prefix Length

/25

Network address — the base address of the block (255.43.141.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 255.43.141.127 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	255.43.141.0/25
Network Address	255.43.141.0
Broadcast Address	255.43.141.127
Subnet Mask	255.255.255.128
Wildcard Mask	0.0.0.127
Prefix Length	/25
IP Address Class	Class E (Reserved)
Total IP Addresses	128
Usable Host Addresses	126
First Usable IP	255.43.141.1
Last Usable IP	255.43.141.126
Network (Hex)	0xFF2B8D00
Broadcast (Hex)	0xFF2B8D7F
Address Type	Public / Globally Routable

Binary Representation

Network Address

11111111.00101011.10001101 11111111.00101011.10001101.00000000

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 255.43.141.0/25 into 2 equal /26 subnets (62 usable hosts each).

#	CIDR	Network	First Usable	Last Usable	Broadcast	Hosts
1	255.43.141.0/26	255.43.141.0	255.43.141.1	255.43.141.62	255.43.141.63	62
2	255.43.141.64/26	255.43.141.64	255.43.141.65	255.43.141.126	255.43.141.127	62

Split 255.43.141.0/25 into 4 equal /27 subnets (30 usable hosts each).

#	CIDR	Network	First Usable	Last Usable	Broadcast	Hosts
1	255.43.141.0/27	255.43.141.0	255.43.141.1	255.43.141.30	255.43.141.31	30
2	255.43.141.32/27	255.43.141.32	255.43.141.33	255.43.141.62	255.43.141.63	30
3	255.43.141.64/27	255.43.141.64	255.43.141.65	255.43.141.94	255.43.141.95	30
4	255.43.141.96/27	255.43.141.96	255.43.141.97	255.43.141.126	255.43.141.127	30

Split 255.43.141.0/25 into 8 equal /28 subnets (14 usable hosts each).

#	CIDR	Network	First Usable	Last Usable	Broadcast	Hosts
1	255.43.141.0/28	255.43.141.0	255.43.141.1	255.43.141.14	255.43.141.15	14
2	255.43.141.16/28	255.43.141.16	255.43.141.17	255.43.141.30	255.43.141.31	14
3	255.43.141.32/28	255.43.141.32	255.43.141.33	255.43.141.46	255.43.141.47	14
4	255.43.141.48/28	255.43.141.48	255.43.141.49	255.43.141.62	255.43.141.63	14
5	255.43.141.64/28	255.43.141.64	255.43.141.65	255.43.141.78	255.43.141.79	14
6	255.43.141.80/28	255.43.141.80	255.43.141.81	255.43.141.94	255.43.141.95	14
7	255.43.141.96/28	255.43.141.96	255.43.141.97	255.43.141.110	255.43.141.111	14
8	255.43.141.112/28	255.43.141.112	255.43.141.113	255.43.141.126	255.43.141.127	14

Split 255.43.141.0/25 into 16 equal /29 subnets (6 usable hosts each).

#	CIDR	Network	First Usable	Last Usable	Broadcast	Hosts
1	255.43.141.0/29	255.43.141.0	255.43.141.1	255.43.141.6	255.43.141.7	6
2	255.43.141.8/29	255.43.141.8	255.43.141.9	255.43.141.14	255.43.141.15	6
3	255.43.141.16/29	255.43.141.16	255.43.141.17	255.43.141.22	255.43.141.23	6
4	255.43.141.24/29	255.43.141.24	255.43.141.25	255.43.141.30	255.43.141.31	6
5	255.43.141.32/29	255.43.141.32	255.43.141.33	255.43.141.38	255.43.141.39	6
6	255.43.141.40/29	255.43.141.40	255.43.141.41	255.43.141.46	255.43.141.47	6
7	255.43.141.48/29	255.43.141.48	255.43.141.49	255.43.141.54	255.43.141.55	6
8	255.43.141.56/29	255.43.141.56	255.43.141.57	255.43.141.62	255.43.141.63	6
9	255.43.141.64/29	255.43.141.64	255.43.141.65	255.43.141.70	255.43.141.71	6
10	255.43.141.72/29	255.43.141.72	255.43.141.73	255.43.141.78	255.43.141.79	6
11	255.43.141.80/29	255.43.141.80	255.43.141.81	255.43.141.86	255.43.141.87	6
12	255.43.141.88/29	255.43.141.88	255.43.141.89	255.43.141.94	255.43.141.95	6
13	255.43.141.96/29	255.43.141.96	255.43.141.97	255.43.141.102	255.43.141.103	6
14	255.43.141.104/29	255.43.141.104	255.43.141.105	255.43.141.110	255.43.141.111	6
15	255.43.141.112/29	255.43.141.112	255.43.141.113	255.43.141.118	255.43.141.119	6
16	255.43.141.120/29	255.43.141.120	255.43.141.121	255.43.141.126	255.43.141.127	6

IP Address Sample

Showing first 16 of 128 total IPs.

255.43.141.0 net

255.43.141.1

255.43.141.2

255.43.141.3

255.43.141.4

255.43.141.5

255.43.141.6

255.43.141.7

255.43.141.8

255.43.141.9

255.43.141.10

255.43.141.11

255.43.141.12

255.43.141.13

255.43.141.14

255.43.141.15

… 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 255.43.141.0/24 Sibling /25 block 255.43.141.128/25

Adjacent Prefix Sizes

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