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系统管理员在排查网络时会经常用到traceroute，traceroute会输出源地址到目的地址途径的ip，如果想知道地理位置需要复制一个个ip，然后google下，查几个还好，ip多的话会让人抓狂。这个脚本调用查询ip地理位置的api，将结果替换到traceroute中。
使用方法：traceroute www.qq.com | ./ip2geography.sh
在fedora下测试通过。
申请查询api的url：https://db-ip.com/api/ free的帐号只显示Country, State/Province, City， 并且一天最多查2000次，对我来说已经足够了。
代码：
1 #!/bin/sh 2 3 while read line; do 4 l="`echo "$line" | sed -r ‘s/[0-9]+\.[0-9]+ ms//g‘ | sed -r ‘s/ +/ /g‘`" 5 ips="`echo "$l" | grep -Po ‘\(([0-9]{1,3}\.){3}[0-9]{1,3}\)‘ | sed -r ‘s/\(|\)//g‘`" 6 for ip in $ips; do 7 ddd=`curl "http://api.db-ip.com/addrinfo?api_key=3260199d9c38a4b9f9e44fb2a728e55f0971dc7f&addr=$ip" 2>/dev/null` 8 country="`echo "$ddd" | sed -r ‘s/.*"country":"([^"]*)".*/\1/g‘`" 9 stat="`echo "$ddd" | sed -r ‘s/.*"stateprov":"([^"]*)".*/\1/g‘`" 10 city="`echo "$ddd" | sed -r ‘s/.*"city":"([^"]*)".*/\1/g‘`" 11 info="$city,$stat,$country" 12 l=`echo "$l" | sed -r ‘s/\(‘$ip‘\)/\[‘"$info"‘\]/g‘` 13 done 14 echo "$l" 15 done
原始的输出：
traceroute to www.qq.com (23.0.160.18), 30 hops max, 60 byte packets 1 216.182.224.194 (216.182.224.194) 1.762 ms 1.675 ms 1.607 ms 2 100.64.8.115 (100.64.8.115) 1.217 ms 100.64.8.125 (100.64.8.125) 1.251 ms 100.64.8.117 (100.64.8.117) 1.082 ms 3 100.64.0.38 (100.64.0.38) 1.307 ms 100.64.0.84 (100.64.0.84) 1.299 ms 100.64.0.210 (100.64.0.210) 1.161 ms 4 100.64.16.45 (100.64.16.45) 0.291 ms 100.64.16.91 (100.64.16.91) 0.348 ms 100.64.16.219 (100.64.16.219) 0.283 ms 5 205.251.245.235 (205.251.245.235) 1.233 ms 1.169 ms 205.251.245.241 (205.251.245.241) 1.182 ms 6 72.21.220.30 (72.21.220.30) 1.271 ms 72.21.220.70 (72.21.220.70) 1.272 ms 1.202 ms 7 equinix-iad8.netarch.akamai.com (206.126.236.103) 1.355 ms 1.477 ms 1.482 ms 8 a23-0-160-18.deploy.static.akamaitechnologies.com (23.0.160.18) 1.304 ms 1.487 ms 1.662 ms
转换后的输出：
traceroute to www.qq.com [Cambridge (Mit),Massachusetts,US], 30 hops max, 60 byte packets 1 216.182.224.200 [Seattle (Greater Duwamish),Washington,US] 2 100.64.13.55 [Los Angeles (Westchester),California,US] 100.64.13.53 [Los Angeles (Westchester),California,US] 100.64.13.7 [Los Angeles (Westchester),California,US] 3 100.64.0.144 [Los Angeles (Westchester),California,US] 100.64.0.200 [Los Angeles (Westchester),California,US] 100.64.0.12 [Los Angeles (Westchester),California,US] 4 100.64.16.249 [Los Angeles (Westchester),California,US] 100.64.16.155 [Los Angeles (Westchester),California,US] 100.64.16.83 [Los Angeles (Westchester),California,US] 5 205.251.245.241 [New York (Manhattan),New York,US] 205.251.245.235 [New York (Manhattan),New York,US] 205.251.245.54 [New York (Manhattan),New York,US] 6 72.21.220.30 [Seattle (Lake Union),Washington,US] 72.21.220.70 [Seattle (Lake Union),Washington,US] 7 equinix-iad8.netarch.akamai.com [Redwood City,California,US] 8 a23-0-160-83.deploy.static.akamaitechnologies.com [Cambridge (Mit),Massachusetts,US]
转换后的结果就很方便地看到路由都跑到哪里去了，使用Amazon的ec2进行的测试，加上腾讯在美国部署有服务器，所以结果中的ip都在美国。
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原文地址：http://www.cnblogs.com/binarylu/p/4387948.html
