**Contents**show

## How many hosts does a 24 network have?

Subnet Mask Cheat Sheet

Addresses | Hosts | |
---|---|---|

/26 | 64 | 62 |

/25 | 128 | 126 |

/24 | 256 |
254 |

/23 | 512 | 510 |

## How many host bits do you need to support 24 hosts?

Class A

Network Bits | Subnet Mask | Number of Hosts |
---|---|---|

/23 | 255.255.254.0 | 510 |

/24 | 255.255.255.0 | 254 |

/25 | 255.255.255.128 | 126 |

/26 | 255.255.255.192 | 62 |

## How many hosts are on a network?

The formula to determine how many hosts can operate on a network is **2 ^{n}-2**, where n is the number of 0 bits in the subnet mask. A subnet mask has 32 bits. If the CIDR notation is /27 it indicates that there are 5 bits left to create subnets.

## How many hosts can a 23 network have?

For Class B Networks

network | network mask | hosts |
---|---|---|

/count | possible | |

22 | 255.255.252.0 | 1024 |

23 | 255.255.254.0 | 512 |

24 | 255.255.255.0 | 256 |

## How many hosts are available per subnet?

Hosts per subnet: 3 bits are left to identify the host therefore the total number of hosts per subnet is 2 to the power of 3 minus 2 (1 address for subnet address and another one for the broadcast address)(2^3-2) which equals to **6 hosts per subnet**.

## How many host addresses are available in the 128 network?

Subnet Mask Cheat Sheet

Addresses | Hosts | |
---|---|---|

/ 25 | 128 |
126 |

/ 24 | 256 | 254 |

/ 23 | 512 | 510 |

/ 22 | 1024 | 1022 |

## How many host addresses can the following network IP and subnet mask support 192.168 1.0 24?

So, a machine that has an IP address that is 192.168. 1.200 /24 would be in the same subnet. And because the subnet mask is /24, that means that the entire last octet can be used to define host machine – 2^{8} = 256 – 2 = **254 usable addresses**.

## How many usable subnets and hosts are available?

IPv6 Subnet Calculator

Prefix size | Network mask | Usable hosts per subnet |
---|---|---|

/22 | 255.255.252.0 | 1,022 |

/23 | 255.255.254.0 | 510 |

Class C | ||

/24 | 255.255.255.0 | 254 |

## How many hosts can a network with 5 host bits have?

Subnetting a Class C network address

Mask | Binary | # Host bits |
---|---|---|

255.255.255.128 | 10000000 | 7 |

255.255.255.192 | 11000000 | 6 |

255.255.255.224 | 11100000 |
5 |

255.255.255.240 | 11110000 | 4 |

## How many hosts are in a bit?

There are **16 host bits** because, when you convert 255.255. 0.0 to binary, there are 16 binary 0s—the last 16 bits in the mask.

…

How Many Hosts and How Many Subnets.

Step | Example | Rules to Remember |
---|---|---|

Number of host bits | 16 |
Always defined as number of binary 0s in mask |

Number of subnet bits | 8 | 32 – (network size + host size) |