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IP 地址列表: 172.71.57.* (172.71.57.0 - 172.71.57.254)
這是第壹個字節為172,第二個字節為71,第三個字節為57,第四個字節在0 - 255之間的IP地址列表,表示為172.71.57.* (172.71.57.0 - 172.71.57.255)。
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172.71.57.1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。
二進制、十進制和十六進制的 IP 地址說明 IP 地址類別 A/B/C/D/E 和網絡 ID、主機 ID 的說明內容:
2. B類IP地址列表
B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,前兩段號碼(字節1.字節2)為網絡號碼,剩下的後兩段號碼(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,B類IP地址就由2字節的網絡地址和2字節主機地址組成,網絡地址的最高位必須是'10'。 B類IP地址範圍:128.0.0.0 ~ 191.255.255.255,可用IP地址範圍:128.0.0.1 ~ 191.255.255.254。 B類IP地址中網絡的標識長度為14位,主機標識的長度為16位,B類網絡地址適用於中等規模規模的網絡(2 ^ 14 = 16384個),每個網絡所能容納6萬多臺計算機(2 ^ 16 - 2 = 65534個)。 如果您需要了解B類IP段更詳細的IP地址段信息,請點擊B類IP地址列表中的標題鏈接。
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