isp ip address ranges

IP Address Classification: A: the first is 0;1.0.0.0~126.0.0.0; host number 24 bitB: The first two bits are 10;128.1.0.0~191.255.0.0; host number 16 bitC: The first three bits are 110;192.0.1.0~223.255.255.0; Host number 8 bitD: The first four bits are 1110;224.0.0.0~239.255.255.255E: The first four bits are 1111;240.0.0.0~255.255.255.254 Other Notes: The network

In linux, you only need to modify the file to resolve the domain name to an IP address, and add the IP address of the domain name server of the ISP (Network Service Provider) in your location to it, if you do not know the IP

The simplest use of PHP calls The code is as follows Copy Code $ip = "218.192.3.42";$json = file_get_contents ("http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=jsonip=". $ip);$json = Json_decode ($json, true);echo "IP address:". $ip;ech

In the TCP/IP protocol, three ip address regions are reserved as private addresses. The ip address ranges are as follows: 10.0.0.0/8:10. 0.0.0 ~ 10.20.255.255 172.16.0.0/12: 172.16.0.0 ~ 172.31.255.255 192.168.0.0/16: 192.168.0.0

Words not much to say, direct sticker code!Running this code is OK:The interface used:? format=jsreturn Result:var remote_ip_info = {"ret": 1, "Start": "1.192.0.0", "End": "1.193.127.255", "Country": "\u4e2d\u56fd", "province": "\ u6cb3\u5357 "," City ":" \u90d1\u5dde ","District": "", "ISP": "\u7535\u4fe1", "type": "", "desc": ""};Country: CountryProvince: ProvinceCity: UrbanISP: Network used (e.g. telecommunications) JS gets the city based on the

Words not much to say, direct sticker code!Running this code is OK: The interface used:Http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=jsreturn Result:var remote_ip_info = {"ret": 1, "Start": "1.192.0.0", "End": "1.193.127.255", "Country": "\u4e2d\u56fd", "province": "\ u6cb3\u5357 "," City ":" \u90d1\u5dde "," District ":" "," ISP ":" \u7535\u4fe1 "," type ":" "," desc ":"};Country: CountryProvince: ProvinceCity: UrbanISP: Network used (e.g