30 lines
580 B
Python
30 lines
580 B
Python
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from netaddr import *
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import boto3
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'''
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you will need the following pips:
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netaddr
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boto3
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'''
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AK=''
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SK=''
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inputs = [['us-west-2', 'vpc-7155ca14'],['eu-west-1','vpc-55a5a930']]
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for v1 in inputs:
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session = boto3.Session(
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aws_access_key_id=AK,
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aws_secret_access_key=SK,
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region_name=v1[0]
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)
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ec2 = session.resource('ec2')
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vpc = ec2.Vpc(v1[1])
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subnets = []
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for subnet in vpc.subnets.all():
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subnets.append(IPNetwork(subnet.cidr_block))
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lastSubnet = sorted(subnets).pop()
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print (v1[0], 'next subnet:', lastSubnet.next())
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