Abuse RadarThreat Intelligence

Connecting

Address

121.202.135.172

Medium 15/30d lists

A monitored leak-trap address was contacted. This suggests the sender may be using exposed or scraped address data.

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Triage

Risk score

how this score is made up
Risk score37/100
Detection volume+8Sensor corroboration+5Signal class+18Recency+6
Enrichment

Address intelligence

cached
CountryHong KongHK
City / regionHong Kong, Hong Kong, Hong KongAsia/Hong_Kong
NetworkSmarTone Mobile Communications Ltdsmartone.com
ASNAS17924
Reverse DNSm121-202-135-172.smartone.com
Detections2total observations
Reporting sensors1distinct collectors
First seen2026-08-27 17:15 GMT+81 month ago
Last seen2026-09-26 01:35 GMT+813 days ago
Blocklist window15/30d lists
Attribution

Reporting sensors

which collectors observed this address
  • Leak Trap Sensor 022 observations · last 2026-09-26 01:35 GMT+8Leak
Sensor names are anonymised. Collector hostnames and log contents are never published.
Signals

Observation history

1 signal record
  • Leak trap address contactedMediumLeak trap
    2 detections from 1 sensor · first seen 2026-08-27 17:15 GMT+8 · last seen 2026-09-26 01:35 GMT+8 (13 days ago) · active

    A monitored leak-trap address was contacted. This suggests the sender may be using exposed or scraped address data.

Correlation0 multi-signal, 4 single-signal

Addresses sharing an observed attribute with this one. Arrival proximity uses a ±30 minute window around first observation.

  • 121.202.206.119Single-signal

    AS17924 Observed across 131 days, 6 detections recorded.

    • Same ASNAS17924SmarTone Mobile Communications LtdAS17924 holds 3 observed addresses (0.1% of geolocated observations).distinguishing
    Open address
  • 121.202.138.181Single-signal

    AS17924 Observed across 111 days, 4 detections recorded.

    • Same ASNAS17924SmarTone Mobile Communications LtdAS17924 holds 3 observed addresses (0.1% of geolocated observations).distinguishing
    Open address
  • 122.187.237.122Single-signal

    AS9498 Observed in a single observation window.

    • First observed together20 minutes apart2026-08-27T09:15:11+00:00 / 2026-08-27T09:35:11+00:00Both addresses were first observed within 20 minutes of each other (window is +/-30 minutes).distinguishing
    Open address
  • 122.187.228.235Single-signal

    AS9498 Observed in a single observation window.

    • First observed together20 minutes apart2026-08-27T09:15:11+00:00 / 2026-08-27T09:35:10+00:00Both addresses were first observed within 20 minutes of each other (window is +/-30 minutes).distinguishing
    Open address

These are shared observations, not attribution. Abuse Radar does not claim common ownership, operation, coordination or intent between these addresses.

Abuse Radar publishes sanitized indicators only. Severity is a triage hint computed from detection volume, sensor corroboration, signal class and recency — it is not an attribution claim. See methodology.