Tus IP address yog qhov chaw nyob tshwj xeeb rau cov khoom siv network. Nws yog tsim los txheeb xyuas cov khoos phis tawj ntiag tug, chaw so, hloov chaw lossis routers hauv lub network.
Cov Lus Qhia
Kauj ruam 1
IP address muaj ob ntu. Thawj ntu yog lub network naj npawb, uas tuaj yeem xaiv los ntawm cov tswj hwm kev ywj pheej, los yog raws li kev pom zoo ntawm cov Internet tshwj xeeb (Network Information Center, NIC). Ntu thib ob ntawm tus IP chaw nyob yog tus tswv tsev tus naj npawb, uas tau teeb tsa tsis hais tus tswv tsev chaw nyob. Txhua tus lej hauv cov pab pawg no yog tus nqi ntawm ib qho ntawm lub bytes, sau rau hauv daim ntawv zauv. Peb tuaj yeem hais tias chaw nyob IP tsis muaj cwj pwm tib lub computer lossis hub, tab sis ib qho kev sib txuas ntawm cov chaw hauv zos lossis thoob ntiaj teb.
Kauj ruam 2
Txhua tus IP chaw muaj peev xwm muab faib ua ntau chav kawm. Class A tes hauj lwm ntawm hom no muaj cov lej hauv qhov ntau ntawm 1 txog 126, thiab tus lej 127 tau tshwj tseg rau cov lus tawm tswv yim thaum kuaj cov haujlwm ua haujlwm ntawm tus tswv software tsis tas xa pob ntawv hauv lub network. Qhov chaw nyob no hu ua loopback. Lub network chaw nyob naj npawb yog ib byte, lwm qhov peb yog rau tus tswv tsev thiab tus lej network.
Kauj ruam 3
Chav Kawm B Qhov ntau ntawm cov lej rau cov kev sib xws yog 128-191. 2 bytes tau faib rau qhov chaw nyob ntawm lub network thiab ntawm pawg. Class SS Net tes hauj lwm ntawm chav kawm no yog tsim los siv tsis pub ntau tshaj 28 ntawm. Cov chaw nyob yog nyob ntawm tus lej 192-223. Qhov chaw nyob yog 3 bytes, thiab node chaw nyob yog ib qho.
Kauj ruam 4
Chav D Hoob no qhia txog qhov tshwj xeeb, chaw nyob me me, qhov chaw nyob uas tsis muab faib rau cov chaw sib txuas hauv lub network thiab tus lej tswv tsev. Hauv qhov xwm txheej no, cov nodes cia li txheeb xyuas seb pab pawg twg yog pawg. Cov pob ntawv ntawm cov ntaub ntawv xa tawm hauv lub network tau txais los ntawm txhua cov hlav ntawm hom no ib zaug. Qhov ntau ntawm cov lej yog 224-239.
Kauj ruam 5
Hoob E Hom no tsis yog tam sim no siv, nws yog tseg rau siv rau yav tom ntej. Kom paub cov ntsiab lus ntawm cov chav kawm IP chaw nyob, saib daim duab.
