IP 地址列表: 21.43.67.* (21.43.67.0 - 21.43.67.254)
這是第壹個字節為21,第二個字節為43,第三個字節為67,第四個字節在0 - 255之間的IP地址列表,表示為21.43.67.* (21.43.67.0 - 21.43.67.255)。
這個IP地址列表中包含256個IP地址,我們以其中壹個IP地址21.43.67.1為例,來描述這個IP的屬性:
但這只是其中1個IP地址的例子,並不代表這個列表中所有的IP地址都有同樣的屬性,如果需要了解其它IP和更詳細的IP地址段信息,請點擊下面列表中的標題鏈接。
![IP Address: 21.43.67 Data Structure Chart BIN DEC HEX IPv4: 21.43.67 Network Class, Net ID, Host ID](https://en.ipshu.com/ipv4-structure/21.43.67.png)
內容:
2. A類IP地址列表
A類IP地址是指:在IP地址的四段號碼(例如:字節1.字節2.字節3.字節4)中,第壹段號碼(字節1)為網絡號碼,剩下的後三段號碼(字節2.字節3.字節4)為本地計算機的號碼。 如果用二進制表示IP地址的話,A類IP地址就由1字節的網絡地址和3字節主機地址組成,網絡地址的最高位必須是'0'。 A類IP地址範圍:1.0.0.0 ~ 127.255.255.255,可用IP地址範圍:1.0.0.1 ~ 127.255.255.254。 A類IP地址中網絡的標識長度為7位,主機標識的長度為24位,A類網絡地址數量較少(2 ^ 7 - 2 = 126個),可以用於容納1600多萬計算機的大型網絡(2 ^ 24 - 2 = 16777214個)。 如果您需要了解A類IP段更詳細的IP地址信息,請點擊A類IP地址列表中的標題鏈接。
- 21.43.67.0
- 21.43.67.1
- 21.43.67.2
- 21.43.67.3
- 21.43.67.4
- 21.43.67.5
- 21.43.67.6
- 21.43.67.7
- 21.43.67.8
- 21.43.67.9
- 21.43.67.10
- 21.43.67.11
- 21.43.67.12
- 21.43.67.13
- 21.43.67.14
- 21.43.67.15
- 21.43.67.16
- 21.43.67.17
- 21.43.67.18
- 21.43.67.19
- 21.43.67.20
- 21.43.67.21
- 21.43.67.22
- 21.43.67.23
- 21.43.67.24
- 21.43.67.25
- 21.43.67.26
- 21.43.67.27
- 21.43.67.28
- 21.43.67.29
- 21.43.67.30
- 21.43.67.31
- 21.43.67.32
- 21.43.67.33
- 21.43.67.34
- 21.43.67.35
- 21.43.67.36
- 21.43.67.37
- 21.43.67.38
- 21.43.67.39
- 21.43.67.40
- 21.43.67.41
- 21.43.67.42
- 21.43.67.43
- 21.43.67.44
- 21.43.67.45
- 21.43.67.46
- 21.43.67.47
- 21.43.67.48
- 21.43.67.49
- 21.43.67.50
- 21.43.67.51
- 21.43.67.52
- 21.43.67.53
- 21.43.67.54
- 21.43.67.55
- 21.43.67.56
- 21.43.67.57
- 21.43.67.58
- 21.43.67.59
- 21.43.67.60
- 21.43.67.61
- 21.43.67.62
- 21.43.67.63
- 21.43.67.64
- 21.43.67.65
- 21.43.67.66
- 21.43.67.67
- 21.43.67.68
- 21.43.67.69
- 21.43.67.70
- 21.43.67.71
- 21.43.67.72
- 21.43.67.73
- 21.43.67.74
- 21.43.67.75
- 21.43.67.76
- 21.43.67.77
- 21.43.67.78
- 21.43.67.79
- 21.43.67.80
- 21.43.67.81
- 21.43.67.82
- 21.43.67.83
- 21.43.67.84
- 21.43.67.85
- 21.43.67.86
- 21.43.67.87
- 21.43.67.88
- 21.43.67.89
- 21.43.67.90
- 21.43.67.91
- 21.43.67.92
- 21.43.67.93
- 21.43.67.94
- 21.43.67.95
- 21.43.67.96
- 21.43.67.97
- 21.43.67.98
- 21.43.67.99
- 21.43.67.100
- 21.43.67.101
- 21.43.67.102
- 21.43.67.103
- 21.43.67.104
- 21.43.67.105
- 21.43.67.106
- 21.43.67.107
- 21.43.67.108
- 21.43.67.109
- 21.43.67.110
- 21.43.67.111
- 21.43.67.112
- 21.43.67.113
- 21.43.67.114
- 21.43.67.115
- 21.43.67.116
- 21.43.67.117
- 21.43.67.118
- 21.43.67.119
- 21.43.67.120
- 21.43.67.121
- 21.43.67.122
- 21.43.67.123
- 21.43.67.124
- 21.43.67.125
- 21.43.67.126
- 21.43.67.127
- 21.43.67.128
- 21.43.67.129
- 21.43.67.130
- 21.43.67.131
- 21.43.67.132
- 21.43.67.133
- 21.43.67.134
- 21.43.67.135
- 21.43.67.136
- 21.43.67.137
- 21.43.67.138
- 21.43.67.139
- 21.43.67.140
- 21.43.67.141
- 21.43.67.142
- 21.43.67.143
- 21.43.67.144
- 21.43.67.145
- 21.43.67.146
- 21.43.67.147
- 21.43.67.148
- 21.43.67.149
- 21.43.67.150
- 21.43.67.151
- 21.43.67.152
- 21.43.67.153
- 21.43.67.154
- 21.43.67.155
- 21.43.67.156
- 21.43.67.157
- 21.43.67.158
- 21.43.67.159
- 21.43.67.160
- 21.43.67.161
- 21.43.67.162
- 21.43.67.163
- 21.43.67.164
- 21.43.67.165
- 21.43.67.166
- 21.43.67.167
- 21.43.67.168
- 21.43.67.169
- 21.43.67.170
- 21.43.67.171
- 21.43.67.172
- 21.43.67.173
- 21.43.67.174
- 21.43.67.175
- 21.43.67.176
- 21.43.67.177
- 21.43.67.178
- 21.43.67.179
- 21.43.67.180
- 21.43.67.181
- 21.43.67.182
- 21.43.67.183
- 21.43.67.184
- 21.43.67.185
- 21.43.67.186
- 21.43.67.187
- 21.43.67.188
- 21.43.67.189
- 21.43.67.190
- 21.43.67.191
- 21.43.67.192
- 21.43.67.193
- 21.43.67.194
- 21.43.67.195
- 21.43.67.196
- 21.43.67.197
- 21.43.67.198
- 21.43.67.199
- 21.43.67.200
- 21.43.67.201
- 21.43.67.202
- 21.43.67.203
- 21.43.67.204
- 21.43.67.205
- 21.43.67.206
- 21.43.67.207
- 21.43.67.208
- 21.43.67.209
- 21.43.67.210
- 21.43.67.211
- 21.43.67.212
- 21.43.67.213
- 21.43.67.214
- 21.43.67.215
- 21.43.67.216
- 21.43.67.217
- 21.43.67.218
- 21.43.67.219
- 21.43.67.220
- 21.43.67.221
- 21.43.67.222
- 21.43.67.223
- 21.43.67.224
- 21.43.67.225
- 21.43.67.226
- 21.43.67.227
- 21.43.67.228
- 21.43.67.229
- 21.43.67.230
- 21.43.67.231
- 21.43.67.232
- 21.43.67.233
- 21.43.67.234
- 21.43.67.235
- 21.43.67.236
- 21.43.67.237
- 21.43.67.238
- 21.43.67.239
- 21.43.67.240
- 21.43.67.241
- 21.43.67.242
- 21.43.67.243
- 21.43.67.244
- 21.43.67.245
- 21.43.67.246
- 21.43.67.247
- 21.43.67.248
- 21.43.67.249
- 21.43.67.250
- 21.43.67.251
- 21.43.67.252
- 21.43.67.253
- 21.43.67.254
- 21.43.67.255