1 files changed, 18 insertions, 0 deletions
diff --git a/utils.py b/utils.py
new file mode 100644
index 0000000..00960d0
--- /dev/null
+++ b/utils.py
@@ -0,0 +1,18 @@
+import socket
+import struct
+
+
+def ip2int(addr):
+    return struct.unpack("!I", socket.inet_aton(addr))[0]
+
+
+def int2ip(addr):
+    return socket.inet_ntoa(struct.pack("!I", addr))
+
+
+a = ip2int('10.13.37.254')
+b = a + 1
+while (b & 0xFF) in (0x00, 0xFF):
+    b += 1
+c = int2ip(b)
+print(a, b, c)