Files
AS_Network_List/parse_ripe_db.py
2026-03-27 19:11:52 +01:00

85 lines
2.6 KiB
Python
Executable File

#!/usr/bin/env python3
import argparse
import json
import sys
from pylib.ip import convert_to_cidr
country = "RU"
def normalize_record(record):
if not record:
return None
if record.get("country") != country:
return None
normalized = dict(record)
normalized["inetnum"] = convert_to_cidr(record["inetnum"])
return normalized
def parse(filename, output_text, output_json):
c_list = []
record = {}
with open(filename, "r", encoding="latin-1") as f:
lines = f.readlines()
for line in lines:
if line.startswith("inetnum:"):
normalized = normalize_record(record)
if normalized is not None:
c_list.append(normalized)
record = {}
record["inetnum"] = line.split("inetnum:", 1)[1].strip()
record["descr"] = ""
record["netname"] = ""
record["country"] = ""
record["org"] = ""
if line.startswith("netname:"):
record["netname"] = line.split("netname:", 1)[1].strip()
if line.startswith("descr:"):
record["descr"] = str(record["descr"].strip() + " " + line.split("descr:", 1)[1].strip()).strip()
if line.startswith("mnt-by:"):
record["netname"] = str(record["netname"].strip() + " " + line.split("mnt-by:", 1)[1].strip()).strip()
if line.startswith("country:"):
record["country"] = line.split("country:", 1)[1].strip()
if line.startswith("org:"):
record["org"] = line.split("org:", 1)[1].strip()
normalized = normalize_record(record)
if normalized is not None:
c_list.append(normalized)
with open(output_json, "w", encoding="utf-8") as f:
json.dump(c_list, f, indent=4)
with open(output_text, "w", encoding="utf-8") as f:
for item in c_list:
for net in item["inetnum"]:
f.write(net + " " + item["netname"] + " (" + item["org"] + ") [" + item["descr"] + "]\n")
def build_parser():
parser = argparse.ArgumentParser(description="Parse RIPE DB for getting a list of RU networks.")
parser.add_argument("filename", help="ripe.db.inetnum file to parse.")
parser.add_argument("output_text", help="write text db to...")
parser.add_argument("output_json", help="write json db to...")
return parser
def main(argv=None):
parser = build_parser()
args = parser.parse_args(argv)
try:
parse(args.filename, args.output_text, args.output_json)
except OSError as exc:
print(f"ERROR: {exc}", file=sys.stderr)
return 1
return 0
if __name__ == "__main__":
sys.exit(main())