Belajar Subnetting Jaringan dengan Metode Grafik (Chart Method)
Metode grafik (chat method) adalah metode ketiga yang digunakan untuk memvisualisasikan perincian jumlah subnet dan alamat host ke dalam ukuran yang lebih kecil.
Setiap bagian dari subnet dalam cell tersebut terdapat angka yang menunjukkan alamat jaringan (network Id) dan alamat broadcast (broadcast Id), sehingga untuk rentang IP yang tersedia adalah antara alamat Network Id dan Broadcast Id tersebut. Angka yang paling rendah dalam subnet tersebut merupakan Network Id sedangkan angka yang paling tinggi merupakan Broadcast Id.
Setiap bagian dari subnet dalam cell tersebut terdapat angka yang menunjukkan alamat jaringan (network Id) dan alamat broadcast (broadcast Id), sehingga untuk rentang IP yang tersedia adalah antara alamat Network Id dan Broadcast Id tersebut. Angka yang paling rendah dalam subnet tersebut merupakan Network Id sedangkan angka yang paling tinggi merupakan Broadcast Id.
Baca juga, Menghitung subnetting jaringan dengan metode lingkaranDengan mengarsir atau mewarnai bagian cell, kita dapat dengan mudah memecah subnet tanpa tumpang tindih dengan alamat IP yang tidak digunakan, seperti pada gambar berikut ini.
#1 Subnet Mask 255.255.255.0
- Total subnet : 1 subnet
- Total host : 256 host
- Host valid : 254 host valid
Contoh untuk alamat IP 192.168.1.0/24
| Jumlah Subnet | Subnet Mask | Net Id | IP host awal | IP host akhir | Broadcast Id |
| 1 | 255.255.255.0 | 192.168.1.0 | 192.168.1.1 | 192.168.1.254 | 192.168.1.255 |
#2 Subnet Mask 255.255.255.128
- Total subnet : 2 subnet
- Total host : 128 host
- Host valid : 126 host valid
Contoh untuk alamat IP 192.168.1.0/25
| Jumlah Subnet | Subnet Mask | Net Id | IP host awal | IP host akhir | Broadcast Id |
| 1 | 255.255.255.128 | 192.168.1.0 | 192.168.1.1 | 192.168.1.126 | 192.168.1.127 |
| 2 | 255.255.255.128 | 192.168.1.128 | 192.168.1.1129 | 192.168.1.254 | 192.168.1.255 |
#3 Subnet Mask 255.255.255.192
- Total subnet : 4 subnet
- Total host : 64 host
- Host valid : 62 host valid
Contoh untuk alamat IP 192.168.1.0/26
| Jumlah Subnet | Subnet Mask | Net Id | IP host awal | IP host akhir | Broadcast Id |
| 1 | 255.255.255.192 | 192.168.1.0 | 192.168.1.1 | 192.168.1.62 | 192.168.1.63 |
| 2 | 255.255.255.192 | 192.168.1.64 | 192.168.1.65 | 192.168.1.126 | 192.168.1.127 |
| 3 | 255.255.255.192 | 192.168.1.128 | 192.168.1.129 | 192.168.1.190 | 192.168.1.191 |
| 4 | 255.255.255.192 | 192.168.1.192 | 192.168.1.193 | 192.168.1.254 | 192.168.1.255 |
#4 Subnet Mask 255.255.255.224
- Total subnet : 8 subnet
- Total host : 32 host
- Host valid : 30 host valid
Contoh untuk alamat IP 192.168.1.0/27
| Jumlah Subnet | Subnet Mask | Net Id | IP host awal | IP host akhir | Broadcast Id |
| 1 | 255.255.255.224 | 192.168.1.0 | 192.168.1.1 | 192.168.1.30 | 192.168.1.31 |
| 2 | 255.255.255.224 | 192.168.1.32 | 192.168.1.33 | 192.168.1.62 | 192.168.1.63 |
| 3 | 255.255.255.224 | 192.168.1.64 | 192.168.1.65 | 192.168.1.94 | 192.168.1.95 |
| 4 | 255.255.255.224 | 192.168.1.96 | 192.168.1.97 | 192.168.1.126 | 192.168.1.127 |
| 5 | 255.255.255.224 | 192.168.1.128 | 192.168.1.129 | 192.168.1.158 | 192.168.1.159 |
| 6 | 255.255.255.224 | 192.168.1.160 | 192.168.1.161 | 192.168.1.190 | 192.168.1.191 |
| 7 | 255.255.255.224 | 192.168.1.192 | 192.168.1.193 | 192.168.1.222 | 192.168.1.223 |
| 8 | 255.255.255.224 | 192.168.1.224 | 192.168.1.225 | 192.168.1.254 | 192.168.1.255 |
#5 Subnet Mask 255.255.255.240
- Total subnet : 16 subnet
- Total host : 16 host
- Host valid : 14 host valid
Contoh untuk alamat IP 192.168.1.0/28
| Jumlah Subnet | Subnet Mask | Net Id | IP host awal | IP host akhir | Broadcast Id |
| 1 | 255.255.255.240 | 192.168.1.0 | 192.168.1.1 | 192.168.1.14 | 192.168.1.15 |
| 2 | 255.255.255.240 | 192.168.1.16 | 192.168.1.17 | 192.168.1.30 | 192.168.1.31 |
| 3 | 255.255.255.240 | 192.168.1.32 | 192.168.1.33 | 192.168.1.46 | 192.168.1.47 |
| 4 | 255.255.255.240 | 192.168.1.48 | 192.168.1.49 | 192.168.1.62 | 192.168.1.63 |
| 5 | 255.255.255.240 | 192.168.1.64 | 192.168.1.65 | 192.168.1.78 | 192.168.1.79 |
| 6 | 255.255.255.240 | 192.168.1.80 | 192.168.1.81 | 192.168.1.94 | 192.168.1.95 |
| 7 | 255.255.255.240 | 192.168.1.96 | 192.168.1.97 | 192.168.1.110 | 192.168.1.111 |
| 8 | 255.255.255.240 | 192.168.1.112 | 192.168.1.113 | 192.168.1.126 | 192.168.1.127 |
| 9 | 255.255.255.240 | 192.168.1.128 | 192.168.1.129 | 192.168.1.142 | 192.168.1.143 |
| 10 | 255.255.255.240 | 192.168.1.144 | 192.168.1.145 | 192.168.1.158 | 192.168.1.159 |
| 11 | 255.255.255.240 | 192.168.1.160 | 192.168.1.161 | 192.168.1.174 | 192.168.1.175 |
| 12 | 255.255.255.240 | 192.168.1.176 | 192.168.1.177 | 192.168.1.190 | 192.168.1.191 |
| 13 | 255.255.255.240 | 192.168.1.192 | 192.168.1.193 | 192.168.1.206 | 192.168.1.207 |
| 14 | 255.255.255.240 | 192.168.1.208 | 192.168.1.209 | 192.168.1.222 | 192.168.1.223 |
| 15 | 255.255.255.240 | 192.168.1.224 | 192.168.1.225 | 192.168.1.238 | 192.168.1.239 |
| 16 | 255.255.255.240 | 192.168.1.240 | 192.168.1.241 | 192.168.1.254 | 192.168.1.255 |
#6 Subnet Mask 255.255.255.248
- Total subnet : 32 subnet
- Total host : 8 host
- Host valid : 6 host valid
Contoh untuk alamat IP 192.168.1.0/29
| Jumlah Subnet | Subnet Mask | Net Id | IP host awal | IP host akhir | Broadcast Id |
| 1 | 255.255.255.248 | 192.168.1.0 | 192.168.1.1 | 192.168.1.6 | 192.168.1.7 |
| 2 | 255.255.255.248 | 192.168.1.8 | 192.168.1.9 | 192.168.1.14 | 192.168.1.15 |
| 3 | 255.255.255.248 | 192.168.1.16 | 192.168.1.17 | 192.168.1.22 | 192.168.1.23 |
| 4 | 255.255.255.248 | 192.168.1.24 | 192.168.1.25 | 192.168.1.30 | 192.168.1.31 |
| 5 | 255.255.255.248 | 192.168.1.32 | 192.168.1.33 | 192.168.1.38 | 192.168.1.39 |
| 6 | 255.255.255.248 | 192.168.1.40 | 192.168.1.41 | 192.168.1.46 | 192.168.1.47 |
| 7 | 255.255.255.248 | 192.168.1.48 | 192.168.1.49 | 192.168.1.54 | 192.168.1.55 |
| 8 | 255.255.255.248 | 192.168.1.56 | 192.168.1.57 | 192.168.1.62 | 192.168.1.63 |
| 9 | 255.255.255.248 | 192.168.1.64 | 192.168.1.65 | 192.168.1.70 | 192.168.1.71 |
| 10 | 255.255.255.248 | 192.168.1.72 | 192.168.1.73 | 192.168.1.78 | 192.168.1.79 |
| 11 | 255.255.255.248 | 192.168.1.80 | 192.168.1.81 | 192.168.1.86 | 192.168.1.87 |
| 12 | 255.255.255.248 | 192.168.1.88 | 192.168.1.89 | 192.168.1.94 | 192.168.1.95 |
| 13 | 255.255.255.248 | 192.168.1.96 | 192.168.1.97 | 192.168.1.102 | 192.168.1.103 |
| 14 | 255.255.255.248 | 192.168.1.104 | 192.168.1.105 | 192.168.1.110 | 192.168.1.111 |
| 15 | 255.255.255.248 | 192.168.1.112 | 192.168.1.113 | 192.168.1.118 | 192.168.1.119 |
| 16 | 255.255.255.248 | 192.168.1.120 | 192.168.1.121 | 192.168.1.126 | 192.168.1.127 |
| 17 | 255.255.255.248 | 192.168.1.128 | 192.168.1.129 | 192.168.1.134 | 192.168.1.135 |
| 18 | 255.255.255.248 | 192.168.1.136 | 192.168.1.137 | 192.168.1.142 | 192.168.1.143 |
| 19 | 255.255.255.248 | 192.168.1.144 | 192.168.1.145 | 192.168.1.150 | 192.168.1.151 |
| 20 | 255.255.255.248 | 192.168.1.152 | 192.168.1.153 | 192.168.1.158 | 192.168.1.159 |
| 21 | 255.255.255.248 | 192.168.1.160 | 192.168.1.161 | 192.168.1.166 | 192.168.1.167 |
| 22 | 255.255.255.248 | 192.168.1.168 | 192.168.1.169 | 192.168.1.174 | 192.168.1.175 |
| 23 | 255.255.255.248 | 192.168.1.176 | 192.168.1.177 | 192.168.1.182 | 192.168.1.183 |
| 24 | 255.255.255.248 | 192.168.1.184 | 192.168.1.185 | 192.168.1.190 | 192.168.1.191 |
| 25 | 255.255.255.248 | 192.168.1.192 | 192.168.1.193 | 192.168.1.198 | 192.168.1.199 |
| 26 | 255.255.255.248 | 192.168.1.200 | 192.168.1.201 | 192.168.1.206 | 192.168.1.207 |
| 27 | 255.255.255.248 | 192.168.1.208 | 192.168.1.209 | 192.168.1.214 | 192.168.1.215 |
| 28 | 255.255.255.248 | 192.168.1.216 | 192.168.1.217 | 192.168.1.222 | 192.168.1.223 |
| 29 | 255.255.255.248 | 192.168.1.224 | 192.168.1.225 | 192.168.1.230 | 192.168.1.231 |
| 30 | 255.255.255.248 | 192.168.1.232 | 192.168.1.233 | 192.168.1.238 | 192.168.1.239 |
| 31 | 255.255.255.248 | 192.168.1.240 | 192.168.1.241 | 192.168.1.246 | 192.168.1.247 |
| 32 | 255.255.255.248 | 192.168.1.248 | 192.168.1.249 | 192.168.1.254 | 192.168.1.255 |
#7 Subnet Mask 255.255.255.252
- Total subnet : 64 subnet
- Total host : 4 host
- Host valid : 2 host valid
Contoh untuk alamat IP 192.168.1.0/30
| Jumlah Subnet | Subnet Mask | Net Id | IP host awal | IP host akhir | Broadcast Id |
| 1 | 255.255.255.248 | 192.168.1.0 | 192.168.1.1 | 192.168.1.2 | 192.168.1.3 |
| 2 | 255.255.255.248 | 192.168.1.4 | 192.168.1.5 | 192.168.1.6 | 192.168.1.7 |
| 3 | 255.255.255.248 | 192.168.1.8 | 192.168.1.9 | 192.168.1.10 | 192.168.1.11 |
| 4 | 255.255.255.248 | 192.168.1.12 | 192.168.1.13 | 192.168.1.14 | 192.168.1.15 |
| 5 | 255.255.255.248 | 192.168.1.16 | 192.168.1.17 | 192.168.1.18 | 192.168.1.19 |
| 6 | 255.255.255.248 | 192.168.1.20 | 192.168.1.21 | 192.168.1.22 | 192.168.1.23 |
| 7 | 255.255.255.248 | 192.168.1.24 | 192.168.1.25 | 192.168.1.26 | 192.168.1.27 |
| 8 | 255.255.255.248 | 192.168.1.28 | 192.168.1.29 | 192.168.1.30 | 192.168.1.31 |
| 9 | 255.255.255.248 | 192.168.1.32 | 192.168.1.33 | 192.168.1.34 | 192.168.1.35 |
| 10 | 255.255.255.248 | 192.168.1.36 | 192.168.1.37 | 192.168.1.38 | 192.168.1.39 |
| 111 | 255.255.255.248 | 192.168.1.40 | 192.168.1.41 | 192.168.1.42 | 192.168.1.43 |
| 12 | 255.255.255.248 | 192.168.1.44 | 192.168.1.45 | 192.168.1.46 | 192.168.1.47 |
| 13 | 255.255.255.248 | 192.168.1.48 | 192.168.1.49 | 192.168.1.50 | 192.168.1.51 |
| 14 | 255.255.255.248 | 192.168.1.52 | 192.168.1.53 | 192.168.1.54 | 192.168.1.55 |
| 15 | 255.255.255.248 | 192.168.1.56 | 192.168.1.57 | 192.168.1.58 | 192.168.1.59 |
| 16 | 255.255.255.248 | 192.168.1.60 | 192.168.1.61 | 192.168.1.62 | 192.168.1.63 |
| 17 | 255.255.255.248 | 192.168.1.64 | 192.168.1.65 | 192.168.1.66 | 192.168.1.67 |
| 18 | 255.255.255.248 | 192.168.1.68 | 192.168.1.69 | 192.168.1.70 | 192.168.1.71 |
| 19 | 255.255.255.248 | 192.168.1.72 | 192.168.1.73 | 192.168.1.74 | 192.168.1.75 |
| 20 | 255.255.255.248 | 192.168.1.76 | 192.168.1.77 | 192.168.1.78 | 192.168.1.79 |
| 21 | 255.255.255.248 | 192.168.1.80 | 192.168.1.81 | 192.168.1.82 | 192.168.1.83 |
| 22 | 255.255.255.248 | 192.168.1.84 | 192.168.1.85 | 192.168.1.86 | 192.168.1.87 |
| 23 | 255.255.255.248 | 192.168.1.88 | 192.168.1.89 | 192.168.1.90 | 192.168.1.91 |
| 24 | 255.255.255.248 | 192.168.1.92 | 192.168.1.93 | 192.168.1.94 | 192.168.1.95 |
| 25 | 255.255.255.248 | 192.168.1.96 | 192.168.1.97 | 192.168.1.98 | 192.168.1.99 |
| 26 | 255.255.255.248 | 192.168.1.100 | 192.168.1.101 | 192.168.1.102 | 192.168.1.103 |
| 27 | 255.255.255.248 | 192.168.1.104 | 192.168.1.105 | 192.168.1.106 | 192.168.1.107 |
| 28 | 255.255.255.248 | 192.168.1.108 | 192.168.1.109 | 192.168.1.110 | 192.168.1.111 |
| 29 | 255.255.255.248 | 192.168.1.112 | 192.168.1.113 | 192.168.1.114 | 192.168.1.115 |
| 30 | 255.255.255.248 | 192.168.1.116 | 192.168.1.117 | 192.168.1.118 | 192.168.1.119 |
| 31 | 255.255.255.248 | 192.168.1.120 | 192.168.1.121 | 192.168.1.122 | 192.168.1.123 |
| 32 | 255.255.255.248 | 192.168.1.124 | 192.168.1.125 | 192.168.1.126 | 192.168.1.127 |
| 33 | 255.255.255.248 | 192.168.1.128 | 192.168.1.129 | 192.168.1.130 | 192.168.1.131 |
| 34 | 255.255.255.248 | 192.168.1.132 | 192.168.1.133 | 192.168.1.134 | 192.168.1.135 |
| 35 | 255.255.255.248 | 192.168.1.136 | 192.168.1.137 | 192.168.1.138 | 192.168.1.139 |
| 36 | 255.255.255.248 | 192.168.1.140 | 192.168.1.141 | 192.168.1.142 | 192.168.1.143 |
| 37 | 255.255.255.248 | 192.168.1.144 | 192.168.1.145 | 192.168.1.146 | 192.168.1.147 |
| 38 | 255.255.255.248 | 192.168.1.148 | 192.168.1.149 | 192.168.1.150 | 192.168.1.151 |
| 39 | 255.255.255.248 | 192.168.1.152 | 192.168.1.153 | 192.168.1.154 | 192.168.1.155 |
| 40 | 255.255.255.248 | 192.168.1.156 | 192.168.1.157 | 192.168.1.158 | 192.168.1.159 |
| 41 | 255.255.255.248 | 192.168.1.160 | 192.168.1.161 | 192.168.1.162 | 192.168.1.163 |
| 42 | 255.255.255.248 | 192.168.1.164 | 192.168.1.165 | 192.168.1.166 | 192.168.1.167 |
| 43 | 255.255.255.248 | 192.168.1.168 | 192.168.1.169 | 192.168.1.170 | 192.168.1.171 |
| 44 | 255.255.255.248 | 192.168.1.172 | 192.168.1.173 | 192.168.1.174 | 192.168.1.175 |
| 45 | 255.255.255.248 | 192.168.1.176 | 192.168.1.177 | 192.168.1.178 | 192.168.1.179 |
| 46 | 255.255.255.248 | 192.168.1.180 | 192.168.1.181 | 192.168.1.182 | 192.168.1.183 |
| 47 | 255.255.255.248 | 192.168.1.184 | 192.168.1.185 | 192.168.1.186 | 192.168.1.187 |
| 48 | 255.255.255.248 | 192.168.1.188 | 192.168.1.189 | 192.168.1.190 | 192.168.1.191 |
| 49 | 255.255.255.248 | 192.168.1.192 | 192.168.1.193 | 192.168.1.194 | 192.168.1.195 |
| 50 | 255.255.255.248 | 192.168.1.196 | 192.168.1.197 | 192.168.1.198 | 192.168.1.199 |
| 51 | 255.255.255.248 | 192.168.1.200 | 192.168.1.201 | 192.168.1.202 | 192.168.1.203 |
| 52 | 255.255.255.248 | 192.168.1.204 | 192.168.1.205 | 192.168.1.206 | 192.168.1.207 |
| 53 | 255.255.255.248 | 192.168.1.208 | 192.168.1.209 | 192.168.1.210 | 192.168.1.211 |
| 54 | 255.255.255.248 | 192.168.1.212 | 192.168.1.213 | 192.168.1.214 | 192.168.1.215 |
| 55 | 255.255.255.248 | 192.168.1.216 | 192.168.1.217 | 192.168.1.218 | 192.168.1.219 |
| 56 | 255.255.255.248 | 192.168.1.220 | 192.168.1.221 | 192.168.1.222 | 192.168.1.223 |
| 57 | 255.255.255.248 | 192.168.1.224 | 192.168.1.225 | 192.168.1.226 | 192.168.1.227 |
| 58 | 255.255.255.248 | 192.168.1.228 | 192.168.1.229 | 192.168.1.230 | 192.168.1.231 |
| 59 | 255.255.255.248 | 192.168.1.232 | 192.168.1.233 | 192.168.1.234 | 192.168.1.235 |
| 60 | 255.255.255.248 | 192.168.1.236 | 192.168.1.237 | 192.168.1.248 | 192.168.1.239 |
| 61 | 255.255.255.248 | 192.168.1.240 | 192.168.1.241 | 192.168.1.242 | 192.168.1.243 |
| 62 | 255.255.255.248 | 192.168.1.244 | 192.168.1.245 | 192.168.1.246 | 192.168.1.247 |
| 63 | 255.255.255.248 | 192.168.1.248 | 192.168.1.249 | 192.168.1.250 | 192.168.1.251 |
| 64 | 255.255.255.248 | 192.168.1.252 | 192.168.1.253 | 192.168.1.254 | 192.168.1.255 |
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