IP address 121.202.135.172
121.202.135.172 is flagged by our threat intelligence: known malicious with a threat score of 86 out of 100, last listed 2026-10-21, announced by AS17924 in Hong Kong. Free lookup: which feeds carry it, what it is listed for, and its network block.
Known malicious
121.202.135.172 is carried by public threat-intelligence feeds that we aggregate and distribute to the networks we protect. Known malicious. Carried by 5 public blocklists.
- Threat score
- 86 out of 100
- Confidence
- 100%
- Severity
- alert
- Feeds carrying it
- 5
- Last listed
- 2026-10-21
A listing describes what an address has been seen doing, not who owns it today. Addresses change hands, and a shared host can be listed for one customer's traffic. If this is your address and the listing is wrong, the feeds that carry it run their own delisting process.
121.202.135.172
Ordinary routable internet space, allocated by a regional internet registry to a network operator. The reputation of an address like this is worth checking: it can belong to a hosting provider, a company, a home connection or a mobile network, and its history travels with it.
- Decimal
- 2043316140
- Hexadecimal
- 0x79CA87AC
- Binary
- 01111001.11001010.10000111.10101100
- Reverse DNS name
- 172.135.202.121.in-addr.arpa
- As IPv6
- ::ffff:121.202.135.172
The networks around it
Checking 121.202.135.172 against our threat intelligence and the public registries…
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