Posted on July 31, 2022 in Programming • Tagged with autonomous system, ASN, API, Security • 4 min read
In the Internet, each IP Address belongs to an autonomous system (AS). In this blog article, it is demonstrated how any IP address can be mapped to an AS number. The necessary information and sources to map each IP Address to an Autnomous System is provided as well, since they were not easy to find.
Posted on March 09, 2022 in Security • Tagged with API, Datacenter, Hosting, Cloud-Provider, IP API, Bot-Detection, VPN-Detection, IP-Intelligence, IP-Lookup • 8 min read
It is not entirely trivial to find out if an IP address belongs to a datacenter / cloud provider. In this blog article, I try to find an algorithm that outputs with high confidence if an IPv4 / Ipv6 address belongs to a hosting provider or not.
Posted on June 20, 2021 in Security • Tagged with API, IP-Address-Check, Datacenter, Cloud-Provider • 3 min read
For security reasons, it's often helpful to check if an IP Address belongs to a datacenter or cloud computing provider such as Amazon AWS or Microsoft Azure. Therefore, I have developed a simple public API that helps you to check if an IP address belongs to a datacenter / cloud provider.