一般给出IP地址、子网掩码、怎么求子网内第一个IP地址？？
\u77e5\u9053IP\u5730\u5740\u548c\u5b50\u7f51\u63a9\u7801\uff0c\u600e\u4e48\u6c42\u5b50\u7f51\u5730\u5740\u4f60\u770b\u5b50\u7f51\u63a9\u7801\u662f255.255.255.240\uff0c\u6362\u6210\u4e8c\u8fdb\u5236\u5c31\u662f11111111.11111111.11111111.11110000
\u65e2\u7136\u662fc\u7c7b\u5730\u5740\uff0c\u90a3\u4e48\u63a9\u7801\u5c31\u662f11111111.11111111.11111111.00000000\uff0c\u8981\u5206\u621014\u4e2a\u5b50\u7f51\uff0c\u5c31\u8981\u5728\u6700\u540e\u7684\u516b\u4f4d\u7ec4\u4e2d\u501f\u7528\u90e8\u5206\u4f4d\u7528\u6765\u533a\u5206\u5b50\u7f51\uff0c\u5982\u679c\u501f3\u4f4d\uff0c\u90a3\u4e48\u5c31\u662f11100000\uff0c\u4ed6\u80fd\u533a\u522b\u7684\u5b50\u7f51\u5c31\u662f00100000\uff0c01000000\uff0c01100000\uff0c10000000\uff0c10100000\uff0c11000000\uff08\u6ce8\u610f\uff1a00000000\u548c11100000\u4e00\u4e2a\u662f\u7f51\u7edc\u5730\u5740\u4e00\u4e2a\u662f\u5e7f\u64ad\u5730\u5740\uff0c\u7406\u8bba\u4e0a\u662f\u4e0d\u80fd\u4f5c\u4e3a\u5b50\u7f51\u5730\u5740\u7684\uff09\uff0c\u53ea\u67096\u4e2a\uff0c\u660e\u663e\u4e0d\u7b26\u5408\u6761\u4ef6\uff0c\u53ea\u80fd\u518d\u5411\u540e\u501f\u4e00\u4f4d\uff0c\u5c31\u662f11110000\uff0c\u8fd9\u6837\u80fd\u533a\u522b\u7684\u5b50\u7f51\u5c31\u662f00010000-11100000\uff0c\u4f60\u7b97\u4e00\u4e0b\uff0c\u521a\u597d\u662f14\u4e2a\u5b50\u7f51\uff0c\u8fd9\u6837\uff0c\u4f60\u8bf4\u7684c\u7c7bip192.168.1.0 \u5b50\u7f51\u63a9\u7801255.255.255.240\uff0c\u4ed6\u80fd\u533a\u5206\u7684\u5b50\u7f51\u7f51\u7edc\u5730\u5740\u5c31\u662f192.168.1.16\uff0c192.168.1.32\uff0c192.168.1.48\uff08\u4ed4\u7ec6\u89c2\u5bdf\uff0c\u6700\u540e\u4e00\u4e2a\u90fd\u662f16\u7684\u500d\u6570\uff09\uff0c\u4e00\u76f4\u5230192.168.1.224
\u5feb\u91c7\u7eb3\uff0c\u8fd8\u6709\u4e0d\u61c2\u7684hi\u6211\u5427\uff0c\u6211\u4e5f\u4e0d\u77e5\u9053\u4f60\u7684\u57fa\u7840\u600e\u4e48\u6837\uff0c\u53ea\u80fd\u8bb2\u5230\u8fd9\u4e00\u6b65\u4e86
c\u7c7b\u7684\u8bdd\uff0c2^6=64\u4e2a\u4e3b\u673a\uff0c\u90a3\u5c31\u7b2c\u56db\u4e2a8\u4f4d\u501f2\u4f4d\u7ed9\u5b50\u7f51\u7528\uff0c\u5c31\u662f2^2=4\u4e2a\u5b50\u7f51\u7ed9\u56db\u4e2a\u5b9e\u9a8c\u5ba4\uff0c\u5206\u522b\u4e3a\uff1a
Subnet Mask Host Range
192.168.2.0 255.255.255.192 192.168.2.0 to 192.168.2.64
192.168.2.64 255.255.255.192 192.168.2.65 to 192.168.2.128
192.168.2.128 255.255.255.192 192.168.2.129 to 192.168.2.192
192.168.2.192 255.255.255.192 192.168.2.193 to 192.168.2.255
ip与掩码 出来的值+1
绛旓細瀛愮綉鎺╃爜锛255.255.255.192锛岄偅涔堟瘡涓瓙缃鐨刬p鍦板潃鏁版槸256-192=64,瀛愮綉涓暟鏄256/64=4 鍒嗗埆鏄 192.168.10.0 192.168.10.64 192.168.10.128 192.168.10.192 姣忎釜瀛愮綉鐨勫湴鍧鑼冨洿灏辨槸鏈綉娈靛拰涓嬩竴缃戞鐨勪腑闂撮儴鍒嗐
绛旓細瀹炶川涓婂氨鏄繘琛屸滀笌鈥濊繍绠楋紝渚嬪1鈥滀笌鈥1寰1,1鈥滀笌鈥0涓0锛0鈥滀笌鈥0涓0銆備妇渚嬶細棣栧厛锛屾妸ip鍜瀛愮綉鎺╃爜灞曞紑銆傛瘮濡锛孖P鍦板潃鈥10.70.64.223鈥濆睍寮鍚庝负锛00001010.01000110.01000000.11011111 瀛愮綉鎺╃爜鈥255.255.255.0鈥濆睍寮鍚庝负锛111111111.11111111.11111111.00000000 缃戞灏辨槸锛00001010 .01000110...
绛旓細IP鍦板潃涓124.196.27.59锛屽嵆01111100.11000100.00011011.00111011 瀛愮綉鎺╃爜涓猴細255.244.0.0锛屽嵆11111111.11110100.00000000.00000000 IP鍦板潃涓庡瓙缃戞帺鐮佸仛涓庤繍绠楋紝鍗01111100.11000100.00000000.00000000 IP鐨勭綉缁滃湴鍧124.196.0.0 瀛愮綉鎺╃爜鍙栧弽(00000000.00001011.11111111.11111111 )锛屽啀鍜孖P鍋氫笌杩愮畻锛...
绛旓細瀛愮綉鎺╃爜鍜IP鍦板潃绫讳技锛屼篃鏄32浣嶇殑浜岃繘鍒舵暟瀛楋紝涔熸槸杞崲鎴10杩涘埗琛ㄧず銆侫绫诲湴鍧鑼冨洿锛1.0.0.1-126.255.255.254B绫诲湴鍧鑼冨洿锛128.0.0.1-191.255.255.254C绫诲湴鍧鑼冨洿锛192.0.0.1-223.255.255.254D绫诲湴鍧鑼冨洿锛224.0.0.1-239.255.255.254鑰屽瓙缃戯紝灏辨槸鍦ˋ銆丅銆丆銆丏杩欏嚑绫荤綉缁滅殑鎯呭喌涓...
绛旓細鍗11111111.11110100.00000000.00000000 IP鍦板潃涓瀛愮綉鎺╃爜鍋氫笌杩愮畻锛屽嵆01111100.11000100.00000000.00000000 杩欎釜灏辨槸IP鐨勭綉缁滃湴鍧灏辨槸124.196.0.0 瀛愮綉鎺╃爜鍙栧弽(00000000.00001011.11111111.11111111)鍐嶅拰IP鍋氫笌杩愮畻鍗00000000.00000000.00011011.00111011 灏辨槸涓绘満鍙峰氨鏄0.0.27.59 杩欎釜IP鏈潵鏄疊绫诲湴鍧...
绛旓細浜掕仈缃戝崗璁湴鍧锛堣嫳璇細Internet Protocol Address锛屽張璇戜负缃戦檯鍗忚鍦板潃锛夛紝缂╁啓涓篒P鍦板潃锛圛P Address锛夈侷P鍦板潃鏄疘P鍗忚鎻愪緵鐨勪竴绉嶇粺涓鐨勫湴鍧鏍煎紡锛屽畠涓轰簰鑱旂綉涓婄殑姣忎竴涓綉缁滃拰姣忎竴鍙颁富鏈哄垎閰嶄竴涓昏緫鍦板潃锛浠ユ鏉ュ睆钄界墿鐞嗗湴鍧鐨勫樊寮傘傝繍绠楁柟寮忥細IP鍏紡璁＄畻娉曪細A` 瀛愮綉鎺╃爜涓簩杩涘埗 1瀵瑰簲鐨処P鍦板潃...
绛旓細1.灏嗗瓙缃戞暟鐩浆鍖栦负浜岃繘鍒舵潵琛ㄧず 2.鍙栧緱璇ヤ簩杩涘埗鐨勪綅鏁帮紝涓 N 3.鍙栧緱璇IP鍦板潃鐨绫瀛愮綉鎺╃爜锛灏嗗叾涓绘満鍦板潃閮ㄥ垎鐨勫墠N浣嶇疆1 鍗冲緱鍑鸿IP鍦板潃鍒掑垎瀛愮綉鐨勫瓙缃戞帺鐮併傚娆插皢B绫籌P鍦板潃168.195.0.0鍒掑垎鎴27涓瓙缃戯細27=11011 璇ヤ簩杩涘埗涓轰簲浣嶆暟锛孨 = 5 灏咮绫诲湴鍧鐨勫瓙缃戞帺鐮255.255.0.0鐨勪富鏈哄湴鍧鍓5...
绛旓細杩囩▼濡備笅锛1.灏唅p鍦板潃涓瀛愮綉鎺╃爜杞崲鎴愪簩杩涘埗锛2.灏嗕簩杩涘埗褰㈠紡鐨刬p鍦板潃涓庡瓙缃戞帺鐮佸仛'涓'杩愮畻锛屽皢绛旀鍖栦负鍗佽繘鍒朵究寰楀埌缃戠粶鍦板潃锛3.灏嗕簩杩涘埗褰㈠紡鐨勫瓙缃戞帺鐮佸彇'鍙'锛4.灏嗗彇'鍙'鍚庣殑瀛愮綉鎺╃爜涓巌p鍦板潃鍋'涓'杩愮畻锛屽皢绛旀鍖栦负鍗佽繘鍒朵究寰楀埌涓绘満鍦板潃銆備笅闈㈡垜浠敤涓涓緥瀛愮粰澶у婕旂ず锛氬亣璁炬湁涓涓狪 P...
绛旓細ip鍦板潃涓庡瓙缃戞帺鐮佽繘琛屼笌杩愮畻锛0涓0涓洪浂锛0涓1涓洪浂锛1涓0涓洪浂锛1涓1涓轰竴锛夛紝鍗冲彲姹傚緱瀛愮綉鍦板潃銆備緥濡俰p涓192.168.1.195锛屽瓙缃戞帺鐮鍦255.255.255.224锛195鐨勪簩杩涘埗涓11000011锛224鐨勪簩杩涘埗涓11100000锛岃繘琛屼笌杩愮畻鍚庝负11000000锛屽嵆瀛愮綉鍦板潃涓192.168.1.192銆傚笇鏈涘彲浠ュ府鍒颁綘锝
绛旓細1.棣栧厛锛屽皢瀛愮綉鏁扮洰浠庡崄杩涘埗鏁拌浆鍖栦负浜岃繘鍒舵暟锛2.鎺ョ潃锛岀粺璁″緱鍒扮殑浜岃繘鍒舵暟鐨勪綅鏁帮紝璁句负N锛3.鏈鍚庯紝鍏堟眰鍑烘IP鍦板潃瀵瑰簲鐨勫湴鍧绫诲埆鐨瀛愮綉鎺╃爜銆傚啀灏嗘眰鍑虹殑瀛愮綉鎺╃爜鐨勪富鏈哄湴鍧閮ㄥ垎(涔熷氨鏄滀富鏈哄彿鈥)鐨勫墠N浣嶅叏閮ㄧ疆1锛岃繖鏍峰嵆鍙緱鍑鸿IP鍦板潃鍒掑垎瀛愮綉鐨勫瓙缃戞帺鐮併備緥濡傦細闇灏咮绫籌P鍦板潃167.194.0.0...
