50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
import ipaddress
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import sys
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def cidr_to_range(cidr):
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network = ipaddress.ip_network(cidr)
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return (network.network_address, network.broadcast_address)
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def range_to_cidr(start, end):
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return [str(cidr) for cidr in ipaddress.summarize_address_range(start, end)]
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def merge_cidrs(cidrs):
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ranges = sorted(cidr_to_range(cidr) for cidr in cidrs)
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merged = []
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for start, end in ranges:
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if not merged or start > merged[-1][1] + 1:
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merged.append([start, end])
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else:
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merged[-1][1] = max(merged[-1][1], end)
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result = []
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for start, end in merged:
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result.extend(range_to_cidr(start, end))
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return result
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def main():
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print("请输入IP段列表（每行一个CIDR格式的IP段）:")
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print("输入完成后，请按Ctrl+D (Unix/Linux/Mac) 或 Ctrl+Z 然后按Enter (Windows) 来结束输入")
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input_cidrs = []
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for line in sys.stdin:
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cidr = line.strip()
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try:
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ipaddress.ip_network(cidr)
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input_cidrs.append(cidr)
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except ValueError:
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print(f"无效的CIDR格式: {cidr}，已忽略", file=sys.stderr)
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if not input_cidrs:
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print("未输入有效的IP段", file=sys.stderr)
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return
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merged_cidrs = merge_cidrs(input_cidrs)
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print("\n合并后的IP段:")
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for cidr in merged_cidrs:
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print(cidr)
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if __name__ == "__main__":
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main()
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