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A libbgpdump Python CFFI wrapper for analyzing MRTv1 and MRTv2 BGP table dump files

Project description

bgpdumpy

Overview

bgpdumpy is a libbgpdump Python CFFI wrapper for analyzing MRT and MRTv2 BGP table dump files.

Build Requirements

Debian/Ubuntu

  • ca-certificates
  • gcc
  • make
  • autoconf
  • python-setuptools
  • python-dev
  • libbz2-dev
  • zlib1g-dev
  • libffi-dev

Example

from bgpdumpy import BGPDump, TableDumpV2

with BGPDump('latest-bview.gz') as bgp:
    for entry in bgp:

        # entry.body can be either be TableDumpV1 or TableDumpV2
        if not isinstance(entry.body, TableDumpV2):
            continue  # I expect an MRT v2 table dump file

        # get a string representation of this prefix
        prefix = '%s/%d' % (entry.body.prefix, entry.body.prefixLength)

        # get a list of each unique originating ASN for this prefix
        originatingASs = set([
            route.attr.asPath.split()[-1]
            for route
            in entry.body.routeEntries])

        # just print it for demonstration purposes
        print('%s -> %s' % (prefix, '/'.join(originatingASs)))

# 1.0.0.0/24 -> 15169
# 1.0.4.0/24 -> 56203
# 1.0.5.0/24 -> 56203
# 1.0.6.0/24 -> 56203
# 1.0.7.0/24 -> 38803
# 1.0.38.0/24 -> 24155
# 1.0.64.0/18 -> 18144
# 1.0.128.0/17 -> 9737
# 1.0.128.0/18 -> 9737
# 1.0.128.0/19 -> 9737
# ...
# 2001::/32 -> 6939
# 2001:4:112::/48 -> 112
# 2001:200::/32 -> 2500
# 2001:200:900::/40 -> 7660
# 2001:200:c000::/35 -> 23634

Project details


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