我公司从事 IP 地理位置、互联网信息基础设施及网络安全相关方面的研究和数据整理工作，需要对互联网进行探测（Ping / Traceroute 为主）；对于安全研究而言，我们需要获知 IP 地址所对应的 Banner 信息与指纹信息，我们使用 ZMap 以及自行开发的代码对常见端口进行开放与否的检测，并对已开放端口进行 Banner 数据的收集。如果有问题，请反馈给我们：frk@ipip.net

Our company engaged in the researching and data colIating of IP location,internet infrastructure and network security, we need to detect the internet (Ping/ Traceoute Mainly); For network security research, we need to obtain the IP location Banner and fingerprint information, we detecting the common port openly or not by ZMap, and collecting opened Banner data by our own code. Any questions please do not hesitate to contact with us: frk@ipip.net.