IP 地址列表: 40.21.249.* (40.21.249.0 - 40.21.249.254)
這是第壹個字節為40,第二個字節為21,第三個字節為249,第四個字節在0 - 255之間的IP地址列表,表示為40.21.249.* (40.21.249.0 - 40.21.249.255)。
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40.21.249.1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。

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。
- 40.21.249.0
- 40.21.249.1
- 40.21.249.2
- 40.21.249.3
- 40.21.249.4
- 40.21.249.5
- 40.21.249.6
- 40.21.249.7
- 40.21.249.8
- 40.21.249.9
- 40.21.249.10
- 40.21.249.11
- 40.21.249.12
- 40.21.249.13
- 40.21.249.14
- 40.21.249.15
- 40.21.249.16
- 40.21.249.17
- 40.21.249.18
- 40.21.249.19
- 40.21.249.20
- 40.21.249.21
- 40.21.249.22
- 40.21.249.23
- 40.21.249.24
- 40.21.249.25
- 40.21.249.26
- 40.21.249.27
- 40.21.249.28
- 40.21.249.29
- 40.21.249.30
- 40.21.249.31
- 40.21.249.32
- 40.21.249.33
- 40.21.249.34
- 40.21.249.35
- 40.21.249.36
- 40.21.249.37
- 40.21.249.38
- 40.21.249.39
- 40.21.249.40
- 40.21.249.41
- 40.21.249.42
- 40.21.249.43
- 40.21.249.44
- 40.21.249.45
- 40.21.249.46
- 40.21.249.47
- 40.21.249.48
- 40.21.249.49
- 40.21.249.50
- 40.21.249.51
- 40.21.249.52
- 40.21.249.53
- 40.21.249.54
- 40.21.249.55
- 40.21.249.56
- 40.21.249.57
- 40.21.249.58
- 40.21.249.59
- 40.21.249.60
- 40.21.249.61
- 40.21.249.62
- 40.21.249.63
- 40.21.249.64
- 40.21.249.65
- 40.21.249.66
- 40.21.249.67
- 40.21.249.68
- 40.21.249.69
- 40.21.249.70
- 40.21.249.71
- 40.21.249.72
- 40.21.249.73
- 40.21.249.74
- 40.21.249.75
- 40.21.249.76
- 40.21.249.77
- 40.21.249.78
- 40.21.249.79
- 40.21.249.80
- 40.21.249.81
- 40.21.249.82
- 40.21.249.83
- 40.21.249.84
- 40.21.249.85
- 40.21.249.86
- 40.21.249.87
- 40.21.249.88
- 40.21.249.89
- 40.21.249.90
- 40.21.249.91
- 40.21.249.92
- 40.21.249.93
- 40.21.249.94
- 40.21.249.95
- 40.21.249.96
- 40.21.249.97
- 40.21.249.98
- 40.21.249.99
- 40.21.249.100
- 40.21.249.101
- 40.21.249.102
- 40.21.249.103
- 40.21.249.104
- 40.21.249.105
- 40.21.249.106
- 40.21.249.107
- 40.21.249.108
- 40.21.249.109
- 40.21.249.110
- 40.21.249.111
- 40.21.249.112
- 40.21.249.113
- 40.21.249.114
- 40.21.249.115
- 40.21.249.116
- 40.21.249.117
- 40.21.249.118
- 40.21.249.119
- 40.21.249.120
- 40.21.249.121
- 40.21.249.122
- 40.21.249.123
- 40.21.249.124
- 40.21.249.125
- 40.21.249.126
- 40.21.249.127
- 40.21.249.128
- 40.21.249.129
- 40.21.249.130
- 40.21.249.131
- 40.21.249.132
- 40.21.249.133
- 40.21.249.134
- 40.21.249.135
- 40.21.249.136
- 40.21.249.137
- 40.21.249.138
- 40.21.249.139
- 40.21.249.140
- 40.21.249.141
- 40.21.249.142
- 40.21.249.143
- 40.21.249.144
- 40.21.249.145
- 40.21.249.146
- 40.21.249.147
- 40.21.249.148
- 40.21.249.149
- 40.21.249.150
- 40.21.249.151
- 40.21.249.152
- 40.21.249.153
- 40.21.249.154
- 40.21.249.155
- 40.21.249.156
- 40.21.249.157
- 40.21.249.158
- 40.21.249.159
- 40.21.249.160
- 40.21.249.161
- 40.21.249.162
- 40.21.249.163
- 40.21.249.164
- 40.21.249.165
- 40.21.249.166
- 40.21.249.167
- 40.21.249.168
- 40.21.249.169
- 40.21.249.170
- 40.21.249.171
- 40.21.249.172
- 40.21.249.173
- 40.21.249.174
- 40.21.249.175
- 40.21.249.176
- 40.21.249.177
- 40.21.249.178
- 40.21.249.179
- 40.21.249.180
- 40.21.249.181
- 40.21.249.182
- 40.21.249.183
- 40.21.249.184
- 40.21.249.185
- 40.21.249.186
- 40.21.249.187
- 40.21.249.188
- 40.21.249.189
- 40.21.249.190
- 40.21.249.191
- 40.21.249.192
- 40.21.249.193
- 40.21.249.194
- 40.21.249.195
- 40.21.249.196
- 40.21.249.197
- 40.21.249.198
- 40.21.249.199
- 40.21.249.200
- 40.21.249.201
- 40.21.249.202
- 40.21.249.203
- 40.21.249.204
- 40.21.249.205
- 40.21.249.206
- 40.21.249.207
- 40.21.249.208
- 40.21.249.209
- 40.21.249.210
- 40.21.249.211
- 40.21.249.212
- 40.21.249.213
- 40.21.249.214
- 40.21.249.215
- 40.21.249.216
- 40.21.249.217
- 40.21.249.218
- 40.21.249.219
- 40.21.249.220
- 40.21.249.221
- 40.21.249.222
- 40.21.249.223
- 40.21.249.224
- 40.21.249.225
- 40.21.249.226
- 40.21.249.227
- 40.21.249.228
- 40.21.249.229
- 40.21.249.230
- 40.21.249.231
- 40.21.249.232
- 40.21.249.233
- 40.21.249.234
- 40.21.249.235
- 40.21.249.236
- 40.21.249.237
- 40.21.249.238
- 40.21.249.239
- 40.21.249.240
- 40.21.249.241
- 40.21.249.242
- 40.21.249.243
- 40.21.249.244
- 40.21.249.245
- 40.21.249.246
- 40.21.249.247
- 40.21.249.248
- 40.21.249.249
- 40.21.249.250
- 40.21.249.251
- 40.21.249.252
- 40.21.249.253
- 40.21.249.254
- 40.21.249.255