{"id":5935,"date":"2022-07-15T12:57:45","date_gmt":"2022-07-15T12:57:45","guid":{"rendered":"https:\/\/www.practicallynetworked.com\/?p=5935"},"modified":"2022-07-15T13:05:09","modified_gmt":"2022-07-15T13:05:09","slug":"subnet-mask-cheat-sheet","status":"publish","type":"post","link":"https:\/\/www.practicallynetworked.com\/subnet-mask-cheat-sheet\/","title":{"rendered":"Subnet Mask Cheat Sheet"},"content":{"rendered":"\n
<\/th>Addresses<\/th>Hosts<\/th>Netmask<\/th>Amount of a Class C<\/th><\/tr>
\/30<\/th>4<\/td>2<\/td>255.255.255.252<\/td>1\/64<\/td><\/tr>
\/29<\/th>8<\/td>6<\/td>255.255.255.248<\/td>1\/32<\/td><\/tr>
\/28<\/th>16<\/td>14<\/td>255.255.255.240<\/td>1\/16<\/td><\/tr>
\/27<\/th>32<\/td>30<\/td>255.255.255.224<\/td>1\/8<\/td><\/tr>
\/26<\/th>64<\/td>62<\/td>255.255.255.192<\/td>1\/4<\/td><\/tr>
\/25<\/th>128<\/td>126<\/td>255.255.255.128<\/td>1\/2<\/td><\/tr>
\/24<\/th>256<\/td>254<\/td>255.255.255.0<\/td>1<\/td><\/tr>
\/23<\/th>512<\/td>510<\/td>255.255.254.0<\/td>2<\/td><\/tr>
\/22<\/th>1024<\/td>1022<\/td>255.255.252.0<\/td>4<\/td><\/tr>
\/21<\/th>2048<\/td>2046<\/td>255.255.248.0<\/td>8<\/td><\/tr>
\/20<\/th>4096<\/td>4094<\/td>255.255.240.0<\/td>16<\/td><\/tr>
\/19<\/th>8192<\/td>8190<\/td>255.255.224.0<\/td>32<\/td><\/tr>
\/18<\/th>16384<\/td>16382<\/td>255.255.192.0<\/td>64<\/td><\/tr>
\/17<\/th>32768<\/td>32766<\/td>255.255.128.0<\/td>128<\/td><\/tr>
\/16<\/th>65536<\/td>65534<\/td>255.255.0.0<\/td>256<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n

Guide to Sub-Class C Blocks<\/h2>\n\n\n\n

\/25 — 2 Subnets — 126 Hosts \/ Subnet<\/strong><\/p>\n\n\n\n

Network #<\/th>IP Range<\/th>Broadcast<\/th><\/tr><\/thead>
.0<\/td>.1 – .126<\/td>.127<\/td><\/tr>
.128<\/td>.129 – .254<\/td>.255<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\/26 — 4 Subnets — 62 Hosts \/ Subnet<\/strong><\/p>\n\n\n\n

Network #<\/th>IP Range<\/th>Broadcast<\/th><\/tr><\/thead>
.0<\/td>.1 – .62<\/td>.63<\/td><\/tr>
.64<\/td>.65 – .126<\/td>.127<\/td><\/tr>
.128<\/td>.129 – .190<\/td>.191<\/td><\/tr>
.192<\/td>.193 – .254<\/td>.255<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\/27 — 8 Subnets — 30 Hosts \/ Subnet<\/strong><\/p>\n\n\n\n

Network #<\/th>IP Range<\/th>Broadcast<\/th><\/tr><\/thead>
.0<\/td>.1 – .30<\/td>.31<\/td><\/tr>
.32<\/td>.33 – .62<\/td>.63<\/td><\/tr>
.64<\/td>.65 – .94<\/td>.95<\/td><\/tr>
.96<\/td>.97 – .126<\/td>.127<\/td><\/tr>
.128<\/td>.129 – .158<\/td>.159<\/td><\/tr>
.160<\/td>.161 – .190<\/td>.191<\/td><\/tr>
.192<\/td>.193 – .222<\/td>.223<\/td><\/tr>
.224<\/td>.225 – .254<\/td>.255<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\/28 — 16 Subnets — 14 Hosts\/Subnet<\/strong><\/p>\n\n\n\n

Network #<\/th>IP Range<\/th>Broadcast<\/th><\/tr><\/thead>
.0<\/td>.1-.14<\/td>.15<\/td><\/tr>
.16<\/td>.17-.30<\/td>.31<\/td><\/tr>
.32<\/td>.33-.46<\/td>.47<\/td><\/tr>
.48<\/td>.49-.62<\/td>.63<\/td><\/tr>
.64<\/td>.65-.78<\/td>.79<\/td><\/tr>
.80<\/td>.81-.94<\/td>.95<\/td><\/tr>
.96<\/td>.97-.110<\/td>.111<\/td><\/tr>
.112<\/td>.113-.126<\/td>.127<\/td><\/tr>
.128<\/td>.129-.142<\/td>.143<\/td><\/tr>
.144<\/td>.145-.158<\/td>.159<\/td><\/tr>
.160<\/td>.161-.174<\/td>.175<\/td><\/tr>
.176<\/td>.177-.190<\/td>.191<\/td><\/tr>
.192<\/td>.193-.206<\/td>.207<\/td><\/tr>
.208<\/td>.209-.222<\/td>.223<\/td><\/tr>
.224<\/td>.225-.238<\/td>.239<\/td><\/tr>
.240<\/td>.241-.254<\/td>.255<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\/29 — 32 Subnets — 6 Hosts\/Subnet<\/strong><\/p>\n\n\n\n

Network #<\/th>IP Range<\/th>Broadcast<\/th><\/tr><\/thead>
.0<\/td>.1-.6<\/td>.7<\/td><\/tr>
.8<\/td>.9-.14<\/td>.15<\/td><\/tr>
.16<\/td>.17-.22<\/td>.23<\/td><\/tr>
.24<\/td>.25-.30<\/td>.31<\/td><\/tr>
.32<\/td>.33-.38<\/td>.39<\/td><\/tr>
.40<\/td>.41-.46<\/td>.47<\/td><\/tr>
.48<\/td>.49-.54<\/td>.55<\/td><\/tr>
.56<\/td>.57-.62<\/td>.63<\/td><\/tr>
.64<\/td>.65-.70<\/td>.71<\/td><\/tr>
.72<\/td>.73-.78<\/td>.79<\/td><\/tr>
.80<\/td>.81-.86<\/td>.87<\/td><\/tr>
.88<\/td>.89-.94<\/td>.95<\/td><\/tr>
.96<\/td>.97-.102<\/td>.103<\/td><\/tr>
.104<\/td>.105-.110<\/td>.111<\/td><\/tr>
.112<\/td>.113-.118<\/td>.119<\/td><\/tr>
.120<\/td>.121-.126<\/td>.127<\/td><\/tr>
.128<\/td>.129-.134<\/td>.135<\/td><\/tr>
.136<\/td>.137-.142<\/td>.143<\/td><\/tr>
.144<\/td>.145-.150<\/td>.151<\/td><\/tr>
.152<\/td>.153-.158<\/td>.159<\/td><\/tr>
.160<\/td>.161-.166<\/td>.167<\/td><\/tr>
.168<\/td>.169-.174<\/td>.175<\/td><\/tr>
.176<\/td>.177-.182<\/td>.183<\/td><\/tr>
.184<\/td>.185-.190<\/td>.191<\/td><\/tr>
.192<\/td>.193-.198<\/td>.199<\/td><\/tr>
.200<\/td>.201-.206<\/td>.207<\/td><\/tr>
.208<\/td>.209-.214<\/td>.215<\/td><\/tr>
.216<\/td>.217-.222<\/td>.223<\/td><\/tr>
.224<\/td>.225-.230<\/td>.231<\/td><\/tr>
.232<\/td>.233-.238<\/td>.239<\/td><\/tr>
.240<\/td>.241-.246<\/td>.247<\/td><\/tr>
.248<\/td>.249-.254<\/td>.255<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\/30 — 64 Subnets — 2 Hosts\/Subnet<\/strong><\/p>\n\n\n\n

Network #<\/th>IP Range<\/th>Broadcast<\/th><\/tr><\/thead>
.0<\/td>.1-.2<\/td>.3<\/td><\/tr>
.4<\/td>.5-.6<\/td>.7<\/td><\/tr>
.8<\/td>.9-.10<\/td>.11<\/td><\/tr>
.12<\/td>.13-.14<\/td>.15<\/td><\/tr>
.16<\/td>.17-.18<\/td>.19<\/td><\/tr>
.20<\/td>.21-.22<\/td>.23<\/td><\/tr>
.24<\/td>.25-.26<\/td>.27<\/td><\/tr>
.28<\/td>.29-.30<\/td>.31<\/td><\/tr>
.32<\/td>.33-.34<\/td>.35<\/td><\/tr>
.36<\/td>.37-.38<\/td>.39<\/td><\/tr>
.40<\/td>.41-.42<\/td>.43<\/td><\/tr>
.44<\/td>.45-.46<\/td>.47<\/td><\/tr>
.48<\/td>.49-.50<\/td>.51<\/td><\/tr>
.52<\/td>.53-.54<\/td>.55<\/td><\/tr>
.56<\/td>.57-.58<\/td>.59<\/td><\/tr>
.60<\/td>.61-.62<\/td>.63<\/td><\/tr>
.64<\/td>.65-.66<\/td>.67<\/td><\/tr>
.68<\/td>.69-.70<\/td>.71<\/td><\/tr>
.72<\/td>.73-.74<\/td>.75<\/td><\/tr>
.76<\/td>.77-.78<\/td>.79<\/td><\/tr>
.80<\/td>.81-.82<\/td>.83<\/td><\/tr>
.84<\/td>.85-.86<\/td>.87<\/td><\/tr>
.88<\/td>.89-.90<\/td>.91<\/td><\/tr>
.92<\/td>.93-.94<\/td>.95<\/td><\/tr>
.96<\/td>.97-.98<\/td>.99<\/td><\/tr>
.100<\/td>.101-.102<\/td>.103<\/td><\/tr>
.104<\/td>.105-.106<\/td>.107<\/td><\/tr>
.108<\/td>.109-.110<\/td>.111<\/td><\/tr>
.112<\/td>.113-.114<\/td>.115<\/td><\/tr>
.116<\/td>.117-.118<\/td>.119<\/td><\/tr>
.120<\/td>.121-.122<\/td>.123<\/td><\/tr>
.124<\/td>.125-.126<\/td>.127<\/td><\/tr>
.128<\/td>.129-.130<\/td>.131<\/td><\/tr>
.132<\/td>.133-.134<\/td>.135<\/td><\/tr>
.136<\/td>.137-.138<\/td>.139<\/td><\/tr>
.140<\/td>.141-.142<\/td>.143<\/td><\/tr>
.144<\/td>.145-.146<\/td>.147<\/td><\/tr>
.148<\/td>.149-.150<\/td>.151<\/td><\/tr>
.152<\/td>.153-.154<\/td>.155<\/td><\/tr>
.156<\/td>.157-.158<\/td>.159<\/td><\/tr>
.160<\/td>.161-.162<\/td>.163<\/td><\/tr>
.164<\/td>.165-.166<\/td>.167<\/td><\/tr>
.168<\/td>.169-.170<\/td>.171<\/td><\/tr>
.172<\/td>.173-.174<\/td>.175<\/td><\/tr>
.176<\/td>.177-.178<\/td>.179<\/td><\/tr>
.180<\/td>.181-.182<\/td>.183<\/td><\/tr>
.184<\/td>.185-.186<\/td>.187<\/td><\/tr>
.188<\/td>.189-.190<\/td>.191<\/td><\/tr>
.192<\/td>.193-.194<\/td>.195<\/td><\/tr>
.196<\/td>.197-.198<\/td>.199<\/td><\/tr>
.200<\/td>.201-.202<\/td>.203<\/td><\/tr>
.204<\/td>.205-.206<\/td>.207<\/td><\/tr>
.208<\/td>.209-.210<\/td>.211<\/td><\/tr>
.212<\/td>.213-.214<\/td>.215<\/td><\/tr>
.216<\/td>.217-.218<\/td>.219<\/td><\/tr>
.220<\/td>.221-.222<\/td>.223<\/td><\/tr>
.224<\/td>.225-.226<\/td>.227<\/td><\/tr>
.228<\/td>.229-.230<\/td>.231<\/td><\/tr>
.232<\/td>.233-.234<\/td>.235<\/td><\/tr>
.236<\/td>.237-.238<\/td>.239<\/td><\/tr>
.240<\/td>.241-.242<\/td>.243<\/td><\/tr>
.244<\/td>.245-.246<\/td>.247<\/td><\/tr>
.248<\/td>.249-.250<\/td>.251<\/td><\/tr>
.252<\/td>.253-.254<\/td>.255<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"

Addresses Hosts Netmask Amount of a Class C \/30 4 2 255.255.255.252 1\/64 \/29 8 6 255.255.255.248 1\/32 \/28 16 14 255.255.255.240 1\/16 \/27 32 30 255.255.255.224 1\/8 \/26 64 62 255.255.255.192 1\/4 \/25 128 126 255.255.255.128 1\/2 \/24 256 254 255.255.255.0 1 \/23 512 510 255.255.254.0 2 \/22 1024 1022 255.255.252.0 4 \/21 2048 2046 255.255.248.0 8 \/20 4096 4094 255.255.240.0 16 \/19 8192 8190 255.255.224.0 32 \/18 16384 16382 255.255.192.0 64 \/17 32768 32766 255.255.128.0 128 \/16 65536 65534 255.255.0.0 256 Guide to Sub-Class C Blocks \/25 — 2 Subnets — 126 Hosts \/ Subnet Network # IP <\/p>\n","protected":false},"author":1,"featured_media":5599,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,21],"tags":[],"_links":{"self":[{"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/posts\/5935"}],"collection":[{"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/comments?post=5935"}],"version-history":[{"count":2,"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/posts\/5935\/revisions"}],"predecessor-version":[{"id":5938,"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/posts\/5935\/revisions\/5938"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/media\/5599"}],"wp:attachment":[{"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/media?parent=5935"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/categories?post=5935"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/tags?post=5935"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}