added manipulating IP addresses tutorial

Author: x4nth055

general/ipaddress-module/README.md

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+# [How to Manipulate IP Addresses in Python using ipaddress module](https://www.thepythoncode.com/article/manipulate-ip-addresses-using-ipaddress-module-in-python)

general/ipaddress-module/ip.py

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+import ipaddress
+# initialize an IPv4 Address
+ip = ipaddress.IPv4Address("192.168.1.1")
+
+# print True if the IP address is global
+print("Is global:", ip.is_global)
+
+# print Ture if the IP address is Link-local
+print("Is link-local:", ip.is_link_local)
+
+# ip.is_reserved
+# ip.is_multicast
+
+# next ip address
+print(ip + 1)
+
+# previous ip address
+print(ip - 1)
+
+# initialize an IPv4 Network
+network = ipaddress.IPv4Network("192.168.1.0/24")
+
+# get the network mask
+print("Network mask:", network.netmask)
+
+# get the broadcast address
+print("Broadcast address:", network.broadcast_address)
+
+# print the number of IP addresses under this network
+print("Number of hosts under", str(network), ":", network.num_addresses)
+
+# iterate over all the hosts under this network
+print("Hosts under", str(network), ":")
+for host in network.hosts():
+    print(host)
+
+# iterate over the subnets of this network
+print("Subnets:")
+for subnet in network.subnets(prefixlen_diff=2):
+    print(subnet)
+
+# get the supernet of this network
+print("Supernet:", network.supernet(prefixlen_diff=1))
+
+# prefixlen_diff: An integer, the amount the prefix length of
+        #   the network should be decreased by.  For example, given a
+        #   /24 network and a prefixlen_diff of 3, a supernet with a
+        #   /21 netmask is returned.
+
+# tell if this network is under (or overlaps) 192.168.0.0/16
+print("Overlaps 192.168.0.0/16:", network.overlaps(ipaddress.IPv4Network("192.168.0.0/16")))
+