Route Leak Detection #4

Open
Details
Analysis Run
#1 (2026-05-01 00:00 → 2026-05-30 23:59)
Prefix
146.109.145.0/24
Leaking ASN
AS20743
Expected Upstream ASes
AS3303, AS20743
Observed AS Path
AS8888 → AS1299 → AS6830 → AS6730 → AS20743 → AS20743 → AS20743 → AS20743
Collectors
6
First Seen
May 7, 2026, 8:16 p.m.
Last Seen
May 30, 2026, 3:24 p.m.
Duration
1969703s
Recorded
May 31, 2026, 11:16 a.m.
Confidence Score
0%
Low confidence
Leak Signals
  • smashandgrab
  • visibilityspike
  • pathlengthexplosion
Raw Evidence
{'as_paths': ['8888 1299 6830 6730 20743 20743 20743 20743', '8888 1299 6830 6730 20743 20743 20743 20743', '8888 1299 6830 6730 20743 20743 20743 20743', '8888 1299 6830 6730 20743 20743 20743 20743', '215859 1299 1299 1299 1299 1299 3320 3320 3320 3303 20743'], 'peer_ases': [8888, 215859], 'timestamps': ['2026-05-30T15:24:35.332587+00:00', '2026-05-30T15:23:22.087553+00:00', '2026-05-30T11:10:54.410446+00:00', '2026-05-28T06:53:46.723232+00:00', '2026-05-21T21:49:33.241076+00:00'], 'threshold_path_length': 7.0, 'baseline_median_path_length': 4.0}