whois

pylib/whois.py

@@ -0,0 +1,28 @@
+import socket
+
+def whois_query(query, get_field="netname"):
+
+    whois_server = "whois.ripe.net"
+
+    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    s.connect((whois_server, 43))
+
+    query = f"{query}\r\n"
+    s.send(query.encode())
+
+    response = ''
+    while True:
+        data = s.recv(4096)
+        try:
+            response += data.decode('utf-8')
+        except:
+            response += data.decode('latin-1')
+        if not data:
+            break
+    s.close()
+
+    for line in response.split('\n'):
+        if line.startswith(get_field + ':'):
+            return line.strip()
+
+    return None