已知ip地址和子网掩码，怎么求子网号和主机范围 已知IP地址和子网掩码求网络号和主机号
\u5df2\u77e5IP\u5730\u5740\u548c\u5b50\u7f51\u63a9\u7801\uff0c\u600e\u4e48\u6c42\u7f51\u7edc\u5730\u57401\u3001\u9996\u5148\u5c06\u7f51\u7edc\u7684IP\u5730\u5740\u548c\u5b50\u7f51\u63a9\u7801\u90fd\u8f6c\u6362\u621032\u4f4d\u4e8c\u8fdb\u5236\u5b57\u7b26\u3002
2\u3001\u5c06\u8f6c\u6362\u540e\u7684\u4e8c\u8fdb\u5236\u7684IP\u5730\u5740\u548c\u5b50\u7f51\u63a9\u7801\u8fdb\u884c\u201c\u903b\u8f91\u4e0e\u201d\u8fd0\u7b97\uff0c\u5f97\u5230\u65b0\u768432\u4f4d\u4e8c\u8fdb\u5236\u5b57\u7b26\u3002
3\u3001\u628a\u5f97\u5230\u7684\u65b0\u768432\u4f4d\u4e8c\u8fdb\u5236\u5b57\u7b26\u8f6c\u6362\u6210\u5341\u8fdb\u5236\uff0c\u5c31\u662f\u4e3b\u673a\u7684\u7f51\u7edc\u53f7\u4e86\u3002
\u4f8b\u5982\uff1a
\u672c\u673aIP\u4e3a192.168.1.16 \uff0c\u5b50\u7f51\u63a9\u7801\u4e3a255.255.255.0
\u8f6c\u6362\u6210\u4e8c\u8fdb\u5236\uff1a
\u672c\u673aIP\u4e3a11000000.10101000.00000001.00010000
\u5b50\u7f51\u63a9\u780111111111.11111111.11111111.00000000
\u8fdb\u884c\u201c\u4e0e\u8fd0\u7b97\u201c 11000000.10101000.00000001.00000000
\u8f6c\u6362\u6210\u5341\u8fdb\u5236\uff1a192.168.1.0\u3002\u5373\u4e3a\u4e3b\u673a\u7684\u7f51\u7edc\u53f7\u3002
\u5b50\u7f51\u63a9\u7801(subnet mask)\u53c8\u53eb\u7f51\u7edc\u63a9\u7801\u3001\u5730\u5740\u63a9\u7801\u3001\u5b50\u7f51\u7edc\u906e\u7f69\uff0c\u5b83\u662f\u4e00\u79cd\u7528\u6765\u6307\u660e\u4e00\u4e2aIP\u5730\u5740\u7684\u54ea\u4e9b\u4f4d\u6807\u8bc6\u7684\u662f\u4e3b\u673a\u6240\u5728\u7684\u5b50\u7f51\uff0c\u4ee5\u53ca\u54ea\u4e9b\u4f4d\u6807\u8bc6\u7684\u662f\u4e3b\u673a\u7684\u4f4d\u63a9\u7801\u3002\u5b50\u7f51\u63a9\u7801\u4e0d\u80fd\u5355\u72ec\u5b58\u5728\uff0c\u5b83\u5fc5\u987b\u7ed3\u5408IP\u5730\u5740\u4e00\u8d77\u4f7f\u7528\u3002\u5b50\u7f51\u63a9\u7801\u53ea\u6709\u4e00\u4e2a\u4f5c\u7528\uff0c\u5c31\u662f\u5c06\u67d0\u4e2aIP\u5730\u5740\u5212\u5206\u6210\u7f51\u7edc\u5730\u5740\u548c\u4e3b\u673a\u5730\u5740\u4e24\u90e8\u5206\u3002
\u5b50\u7f51\u63a9\u7801\u662f\u4e00\u4e2a32\u4f4d\u5730\u5740\uff0c\u7528\u4e8e\u5c4f\u853dIP\u5730\u5740\u7684\u4e00\u90e8\u5206\u4ee5\u533a\u522b\u7f51\u7edc\u6807\u8bc6\u548c\u4e3b\u673a\u6807\u8bc6\uff0c\u5e76\u8bf4\u660e\u8be5IP\u5730\u5740\u662f\u5728\u5c40\u57df\u7f51\u4e0a\uff0c\u8fd8\u662f\u5728\u8fdc\u7a0b\u7f51\u4e0a\u3002
\u5b50\u7f51\u63a9\u7801\u2014\u2014\u5c4f\u853d\u4e00\u4e2aIP\u5730\u5740\u7684\u7f51\u7edc\u90e8\u5206\u7684\u201c\u51681\u201d\u6bd4\u7279\u6a21\u5f0f\u3002\u5bf9\u4e8eA\u7c7b\u5730\u5740\u6765\u8bf4\uff0c\u9ed8\u8ba4\u7684\u5b50\u7f51\u63a9\u7801\u662f255.0.0.0\uff1b\u5bf9\u4e8eB\u7c7b\u5730\u5740\u6765\u8bf4\u9ed8\u8ba4\u7684\u5b50\u7f51\u63a9\u7801\u662f255.255.0.0\uff1b\u5bf9\u4e8eC\u7c7b\u5730\u5740\u6765\u8bf4\u9ed8\u8ba4\u7684\u5b50\u7f51\u63a9\u7801\u662f255.255.255.0\u3002
\u5229\u7528\u5b50\u7f51\u63a9\u7801\u53ef\u4ee5\u628a\u5927\u7684\u7f51\u7edc\u5212\u5206\u6210\u5b50\u7f51\uff0c\u5373VLSM\uff08\u53ef\u53d8\u957f\u5b50\u7f51\u63a9\u7801\uff09\uff0c\u4e5f\u53ef\u4ee5\u628a\u5c0f\u7684\u7f51\u7edc\u5f52\u5e76\u6210\u5927\u7684\u7f51\u7edc\u5373\u8d85\u7f51\u3002
1\uff0eA\u7c7bIP\u5730\u5740A\u7c7bIP\u5730\u5740\u7684\u56db\u6bb5\u53f7\u7801\u4e2d\uff0c\u7b2c\u4e00\u6bb5\u53f7\u7801\u4e3a\u7f51\u7edc\u53f7\uff0c\u5269\u4e0b\u7684\u4e09\u6bb5\u53f7\u7801\u4e3a\u4e3b\u673a\u53f7\u3002
2\uff0eB\u7c7bIP\u5730\u5740B\u7c7bIP\u5730\u5740\u7684\u56db\u6bb5\u53f7\u7801\u4e2d\uff0c\u524d\u4e24\u6bb5\u53f7\u7801\u4e3a\u7f51\u7edc\u53f7\uff0c\u5269\u4e0b\u7684\u4e24\u6bb5\u53f7\u7801\u4e3a\u4e3b\u673a\u53f7\u3002
3\uff0eC\u7c7bIP\u5730\u5740C\u7c7bIP\u5730\u5740\u7684\u56db\u6bb5\u53f7\u7801\u4e2d\uff0c\u524d\u4e09\u6bb5\u53f7\u7801\u4e3a\u7f51\u7edc\u53f7\uff0c\u5269\u4e0b\u7684\u4e00\u6bb5\u53f7\u7801\u4e3a\u4e3b\u673a\u53f7\u3002
\u9898\u76ee\u4e2d\u7684202.16.12.8\u4e3aC\u7c7bIP\u5730\u5740\uff0c\u56e0\u6b64\u4e3b\u673a\u53f7\u4e3a8\uff0c\u7f51\u7edc\u53f7\u4e3a202.16.12
\u62d3\u5c55\u8d44\u6599
IP\u5730\u5740\u5206\u7c7b\uff1a\u6700\u521d\u8bbe\u8ba1\u4e92\u8054\u7f51\u7edc\u65f6\uff0c\u4e3a\u4e86\u4fbf\u4e8e\u5bfb\u5740\u4ee5\u53ca\u5c42\u6b21\u5316\u6784\u9020\u7f51\u7edc\uff0c\u6bcf\u4e2aIP\u5730\u5740\u5305\u62ec\u4e24\u4e2a\u6807\u8bc6\u7801\uff08ID\uff09\uff0c\u5373\u7f51\u7edcID\u548c\u4e3b\u673aID\u3002\u540c\u4e00\u4e2a\u7269\u7406\u7f51\u7edc\u4e0a\u7684\u6240\u6709\u4e3b\u673a\u90fd\u4f7f\u7528\u540c\u4e00\u4e2a\u7f51\u7edcID\uff0c\u7f51\u7edc\u4e0a\u7684\u4e00\u4e2a\u4e3b\u673a\uff08\u5305\u62ec\u7f51\u7edc\u4e0a\u5de5\u4f5c\u7ad9\uff0c\u670d\u52a1\u5668\u548c\u8def\u7531\u5668\u7b49\uff09\u6709\u4e00\u4e2a\u4e3b\u673aID\u4e0e\u5176\u5bf9\u5e94\u3002Internet\u59d4\u5458\u4f1a\u5b9a\u4e49\u4e865\u79cdIP\u5730\u5740\u7c7b\u578b\u4ee5\u9002\u5408\u4e0d\u540c\u5bb9\u91cf\u7684\u7f51\u7edc\uff0c\u5373A\u7c7b~E\u7c7b\u3002
\u5176\u4e2dA\u3001B\u3001C3\u7c7b\uff08\u5982\u4e0b\u8868\u683c\uff09\u7531InternetNIC\u5728\u5168\u7403\u8303\u56f4\u5185\u7edf\u4e00\u5206\u914d\uff0cD\u3001E\u7c7b\u4e3a\u7279\u6b8a\u5730\u5740\u3002
\u53c2\u8003\u8d44\u6599
\u767e\u5ea6\u767e\u79d1_ip\u5730\u5740
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
绛旓細鏈鍚IP鐨勪簩杩涘埗鍜屾眰鍙嶅悗鐨勪簩杩涘埗杩涜涓庤繍绠楀緱鍒板嵆涓轰富鏈哄彿銆傛瘮濡傦細IP锛192.168.200.13 瀛愮綉鎺╃爜锛255.255.255.0 ip浜岃繘鍒讹細11000000.00001001.1100100.00001101 瀛愮綉鎺╃爜锛1111111.11111111.11111111.00000000 鍙嶏細0000000.0000000.0000000.11111111 涓绘満鍙峰嵆涓猴細0.0.0.13 寰堥珮鍏翠负浣犺В绛 ...
绛旓細1銆侀鍏堝皢缃戠粶鐨処P鍦板潃鍜屽瓙缃戞帺鐮閮借浆鎹㈡垚32浣嶄簩杩涘埗瀛楃銆2銆佸皢杞崲鍚庣殑浜岃繘鍒剁殑IP鍦板潃鍜屽瓙缃戞帺鐮佽繘琛屸滈昏緫涓庘濊繍绠楋紝寰楀埌鏂扮殑32浣嶄簩杩涘埗瀛楃銆3銆佹妸寰楀埌鐨勬柊鐨32浣嶄簩杩涘埗瀛楃杞崲鎴愬崄杩涘埗锛屽氨鏄富鏈虹殑缃戠粶鍙蜂簡銆備緥濡傦細鏈満IP涓192.168.1.16锛屽瓙缃戞帺鐮佷负255.255.255.0 杞崲鎴愪簩杩涘埗锛氭湰鏈...
绛旓細1锛嶢绫IP鍦板潃A绫籌P鍦板潃鐨勫洓娈靛彿鐮佷腑锛岀涓娈靛彿鐮佷负缃戠粶鍙凤紝鍓╀笅鐨勪笁娈靛彿鐮佷负涓绘満鍙枫2锛嶣绫籌P鍦板潃B绫籌P鍦板潃鐨勫洓娈靛彿鐮佷腑锛屽墠涓ゆ鍙风爜涓虹綉缁滃彿锛屽墿涓嬬殑涓ゆ鍙风爜涓轰富鏈哄彿銆3锛嶤绫籌P鍦板潃C绫籌P鍦板潃鐨勫洓娈靛彿鐮佷腑锛屽墠涓夋鍙风爜涓虹綉缁滃彿锛屽墿涓嬬殑涓娈靛彿鐮佷负涓绘満鍙枫傞鐩腑鐨202.16.12.8涓篊绫籌P鍦板潃...
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鍋氫笌杩愮畻锛屽嵆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1銆侀鍏堝皢缃戠粶鐨処P鍦板潃鍜屽瓙缃戞帺鐮閮借浆鎹㈡垚32浣嶄簩杩涘埗瀛楃銆傚皢杞崲鍚庣殑浜岃繘鍒剁殑IP鍦板潃鍜屽瓙缃戞帺鐮佽繘琛屸滈昏緫涓庘濊繍绠楋紝寰楀埌鏂扮殑32浣嶄簩杩涘埗瀛楃銆傛妸寰楀埌鐨勬柊鐨32浣嶄簩杩涘埗瀛楃杞崲鎴愬崄杩涘埗锛屽氨鏄富鏈虹殑缃戠粶鍙蜂簡銆2銆佹妸IP鍦板潃鍜屽瓙缃戞帺鐮侀兘鐢ㄤ簩杩涘埗琛ㄧず锛岀劧鍚庡悇浣嶅仛鐩镐笌杩愮畻锛屽緱鍒扮殑缁撴灉灏辨槸缃戠粶鍦板潃銆侾S...
绛旓細鎴戜妇涓緥瀛愭潵璺熶綘璇村惂锛氭瘮濡備綘鏄煇涓鏍＄殑缃戠锛屼綘鐨勫鏍℃湁鍥涗釜澶勪簬涓嶅悓鐗╃悊浣嶇疆鐨勭綉缁滄暀瀹わ紝姣忎釜缃戠粶鏁欏25鍙版満鍣紝浣犵殑浠诲姟鏄粰杩欎簺鏈哄櫒閰嶇疆ip鍦板潃鍜屽瓙缃戞帺鐮銆備綘鍙兘浼氳寰楄繖鍐嶇畝鍗曚笉杩囦簡锛岀敵璇4涓狢绫诲湴鍧锛屾瘡涓暀瀹や竴涓紝鐒跺悗鍦ㄤ竴涓閰嶇疆涓嶅氨鎼炲畾浜嗐傚棷锛岃繖鏍峰仛鐞嗚涓婃病閿欙紝浣嗕綘鏈夋病鏈夋兂鍒拌繖鏍...
绛旓細缃戠粶鍙凤細IP鐨勪簩杩涘埗鎺╃爜鐨勪簩杩涘埗杩涜鐩镐笌杩愮畻鍙緱涓绘満鍙凤細IP鐨勪簩杩涘埗鍜屾帺鐮佹眰鍙嶅悗鐨勪簩杩涘埗杩涜鐩镐笌杩愮畻鍙緱渚嬪锛欼P锛192.168.2.1 瀛愮綉鎺╃爜锛255.255.255.0 ip浜岃繘鍒讹細11000000.10101000.00000010.00000001 瀛愮綉鎺╃爜锛1111111.11111111.11111111.00000000 鍙嶆帺鐮侊細0000000.0000000.0000000.11111111 缃戠粶...
绛旓細1銆侀鍏堝皢缃戠粶鐨処P鍦板潃鍜屽瓙缃戞帺鐮閮借浆鎹㈡垚32浣嶄簩杩涘埗瀛楃銆2銆佸皢杞崲鍚庣殑浜岃繘鍒剁殑IP鍦板潃鍜屽瓙缃戞帺鐮佽繘琛屸滈昏緫涓庘濊繍绠楋紝寰楀埌鏂扮殑32浣嶄簩杩涘埗瀛楃銆3銆佹妸寰楀埌鐨勬柊鐨32浣嶄簩杩涘埗瀛楃杞崲鎴愬崄杩涘埗锛屽氨鏄富鏈虹殑缃戠粶鍙蜂簡銆備緥濡傦細鏈満IP涓192.168.1.16 锛屽瓙缃戞帺鐮佷负255.255.255.0 杞崲鎴愪簩杩涘埗锛氭湰鏈...
绛旓細ip鍦板潃涓庡瓙缃戞帺鐮杩涜涓庤繍绠楋紙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锛屽瓙缃戞帺鐮佸湪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
