IP 地址列表: 19.52.21.* (19.52.21.0 - 19.52.21.254)

這是第壹個字節為19，第二個字節為52，第三個字節為21，第四個字節在0 - 255之間的IP地址列表，表示為19.52.21.* (19.52.21.0 - 19.52.21.255)。

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19.52.21.1為例，來描述這個IP的屬性：

第一個 IP 地址示例

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:

• 1. 第一個 IP 地址示例
• 2. A類IP地址列表
• 3. 最後一個 IP 地址示例

19.52.21.1是一個公開IP地址，使用者位於美国 密歇根州 迪尔伯恩，其用途是商業，類型是公司/T1。更多詳情：19.52.21.1。

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。

• 19.52.21.0
• 19.52.21.1
• 19.52.21.2
• 19.52.21.3
• 19.52.21.4
• 19.52.21.5
• 19.52.21.6
• 19.52.21.7
• 19.52.21.8
• 19.52.21.9
• 19.52.21.10
• 19.52.21.11
• 19.52.21.12
• 19.52.21.13
• 19.52.21.14
• 19.52.21.15
• 19.52.21.16
• 19.52.21.17
• 19.52.21.18
• 19.52.21.19
• 19.52.21.20
• 19.52.21.21
• 19.52.21.22
• 19.52.21.23
• 19.52.21.24
• 19.52.21.25
• 19.52.21.26
• 19.52.21.27
• 19.52.21.28
• 19.52.21.29
• 19.52.21.30
• 19.52.21.31
• 19.52.21.32
• 19.52.21.33
• 19.52.21.34
• 19.52.21.35
• 19.52.21.36
• 19.52.21.37
• 19.52.21.38
• 19.52.21.39
• 19.52.21.40
• 19.52.21.41
• 19.52.21.42
• 19.52.21.43
• 19.52.21.44
• 19.52.21.45
• 19.52.21.46
• 19.52.21.47
• 19.52.21.48
• 19.52.21.49
• 19.52.21.50
• 19.52.21.51
• 19.52.21.52
• 19.52.21.53
• 19.52.21.54
• 19.52.21.55
• 19.52.21.56
• 19.52.21.57
• 19.52.21.58
• 19.52.21.59
• 19.52.21.60
• 19.52.21.61
• 19.52.21.62
• 19.52.21.63
• 19.52.21.64
• 19.52.21.65
• 19.52.21.66
• 19.52.21.67
• 19.52.21.68
• 19.52.21.69
• 19.52.21.70
• 19.52.21.71
• 19.52.21.72
• 19.52.21.73
• 19.52.21.74
• 19.52.21.75
• 19.52.21.76
• 19.52.21.77
• 19.52.21.78
• 19.52.21.79
• 19.52.21.80
• 19.52.21.81
• 19.52.21.82
• 19.52.21.83
• 19.52.21.84
• 19.52.21.85
• 19.52.21.86
• 19.52.21.87
• 19.52.21.88
• 19.52.21.89
• 19.52.21.90
• 19.52.21.91
• 19.52.21.92
• 19.52.21.93
• 19.52.21.94
• 19.52.21.95
• 19.52.21.96
• 19.52.21.97
• 19.52.21.98
• 19.52.21.99
• 19.52.21.100
• 19.52.21.101
• 19.52.21.102
• 19.52.21.103
• 19.52.21.104
• 19.52.21.105
• 19.52.21.106
• 19.52.21.107
• 19.52.21.108
• 19.52.21.109
• 19.52.21.110
• 19.52.21.111
• 19.52.21.112
• 19.52.21.113
• 19.52.21.114
• 19.52.21.115
• 19.52.21.116
• 19.52.21.117
• 19.52.21.118
• 19.52.21.119
• 19.52.21.120
• 19.52.21.121
• 19.52.21.122
• 19.52.21.123
• 19.52.21.124
• 19.52.21.125
• 19.52.21.126
• 19.52.21.127
• 19.52.21.128
• 19.52.21.129
• 19.52.21.130
• 19.52.21.131
• 19.52.21.132
• 19.52.21.133
• 19.52.21.134
• 19.52.21.135
• 19.52.21.136
• 19.52.21.137
• 19.52.21.138
• 19.52.21.139
• 19.52.21.140
• 19.52.21.141
• 19.52.21.142
• 19.52.21.143
• 19.52.21.144
• 19.52.21.145
• 19.52.21.146
• 19.52.21.147
• 19.52.21.148
• 19.52.21.149
• 19.52.21.150
• 19.52.21.151
• 19.52.21.152
• 19.52.21.153
• 19.52.21.154
• 19.52.21.155
• 19.52.21.156
• 19.52.21.157
• 19.52.21.158
• 19.52.21.159
• 19.52.21.160
• 19.52.21.161
• 19.52.21.162
• 19.52.21.163
• 19.52.21.164
• 19.52.21.165
• 19.52.21.166
• 19.52.21.167
• 19.52.21.168
• 19.52.21.169
• 19.52.21.170
• 19.52.21.171
• 19.52.21.172
• 19.52.21.173
• 19.52.21.174
• 19.52.21.175
• 19.52.21.176
• 19.52.21.177
• 19.52.21.178
• 19.52.21.179
• 19.52.21.180
• 19.52.21.181
• 19.52.21.182
• 19.52.21.183
• 19.52.21.184
• 19.52.21.185
• 19.52.21.186
• 19.52.21.187
• 19.52.21.188
• 19.52.21.189
• 19.52.21.190
• 19.52.21.191
• 19.52.21.192
• 19.52.21.193
• 19.52.21.194
• 19.52.21.195
• 19.52.21.196
• 19.52.21.197
• 19.52.21.198
• 19.52.21.199
• 19.52.21.200
• 19.52.21.201
• 19.52.21.202
• 19.52.21.203
• 19.52.21.204
• 19.52.21.205
• 19.52.21.206
• 19.52.21.207
• 19.52.21.208
• 19.52.21.209
• 19.52.21.210
• 19.52.21.211
• 19.52.21.212
• 19.52.21.213
• 19.52.21.214
• 19.52.21.215
• 19.52.21.216
• 19.52.21.217
• 19.52.21.218
• 19.52.21.219
• 19.52.21.220
• 19.52.21.221
• 19.52.21.222
• 19.52.21.223
• 19.52.21.224
• 19.52.21.225
• 19.52.21.226
• 19.52.21.227
• 19.52.21.228
• 19.52.21.229
• 19.52.21.230
• 19.52.21.231
• 19.52.21.232
• 19.52.21.233
• 19.52.21.234
• 19.52.21.235
• 19.52.21.236
• 19.52.21.237
• 19.52.21.238
• 19.52.21.239
• 19.52.21.240
• 19.52.21.241
• 19.52.21.242
• 19.52.21.243
• 19.52.21.244
• 19.52.21.245
• 19.52.21.246
• 19.52.21.247
• 19.52.21.248
• 19.52.21.249
• 19.52.21.250
• 19.52.21.251
• 19.52.21.252
• 19.52.21.253
• 19.52.21.254
• 19.52.21.255

19.52.21.255是一個公開IP地址，使用者位於美国 密歇根州 迪尔伯恩，其用途是商業，類型是公司/T1。更多詳情：19.52.21.255。