Merge pull request #1163 from IP2WHOIS/master

Added IP2WHOIS API

README.md

@@ -279,6 +279,7 @@ API | Description | Auth | HTTPS | CORS |
 | [IFTTT](https://platform.ifttt.com/docs/connect_api) | IFTTT Connect API | No | Yes | Unknown |
 | [Image-Charts](https://documentation.image-charts.com/) | Generate charts, QR codes and graph images | No | Yes | Yes |
 | [import.io](http://api.docs.import.io/) | Retrieve structured data from a website or RSS feed | `apiKey` | Yes | Unknown |
+| [IP2WHOIS Information Lookup](https://www.ip2whois.com/) | WHOIS domain name lookup | `apiKey` | Yes | Unknown |
 | [IPify](https://www.ipify.org/) | A simple IP Address API | No | Yes | Unknown |
 | [IPinfo](https://ipinfo.io/developers) | Another simple IP Address API | No | Yes | Unknown |
 | [jsDelivr](https://github.com/jsdelivr/data.jsdelivr.com) | Package info and download stats on jsDelivr CDN | No | Yes | Yes |
@@ -308,6 +309,7 @@ API | Description | Auth | HTTPS | CORS |
 | [StackExchange](https://api.stackexchange.com/) | Q&A forum for developers | `OAuth` | Yes | Unknown |
 | [userstack](https://userstack.com/) | Secure User-Agent String Lookup JSON API | `OAuth` | Yes | Unknown |
 
+
 **[⬆ Back to Index](#index)**
 ### Dictionaries
 API | Description | Auth | HTTPS | CORS |