42.100.21.121
| ISP | CHINANET HEILONGJIANG PROVINCE NETWORK |
|---|---|
| Usage Type | Fixed Line ISP |
| ASN | AS4134 |
| Domain Name | chinatelecom.cn |
| Country | 🇨🇳 China |
| City | Harbin, Heilongjiang |
ISP, Usage Type, and Location provided by IPInfo. Updated weekly.
IP Abuse Reports for 42.100.21.121
This IP address has been reported a total of 66 times from 30 distinct sources. 42.100.21.121 was first reported on , and the most recent report was . In the last 60 days, the top reporter locations were: United States of America with 15 reports; Germany with 8 reports; France with 8 reports. The most common categories in these recent reports were: Port Scan 29 times; Brute-Force 5 times; Hacking 5 times; IoT Targeted 4 times; Bad Web Bot 2 times; Other 3 times.
| Reporter | IoA Timestamp (UTC) | Comment | Categories | |
|---|---|---|---|---|
| 🇫🇷 ipfyx |
Port scanning
|
Port Scan | ||
| 🇩🇪 klaus_ph |
|
Bad Web Bot | ||
| 🇫🇷 ipfyx |
Port scanning
|
Port Scan | ||
| 🇫🇷 ipfyx |
Port scanning
|
Port Scan | ||
| 🇫🇷 GoodOldTOS |
Connection to Telnet honeypot
|
Hacking | ||
| 🇺🇸 RAP |
2026-09-20 09:45:36 UTC Unauthorized activity to TCP port 23. Telnet
|
Port Scan | ||
| 🇫🇷 security.rdmc.fr |
Port Scan Attack proto:TCP src:47773 dst:23
|
Port Scan | ||
| 🇺🇸 RAP |
2026-09-20 03:53:03 UTC Unauthorized activity to TCP port 23. Telnet
|
Port Scan | ||
| 🇺🇸 OceanTreasure |
tcp/23; Legacy Telnet remote access probe @ 2026-09-20T03:17:10Z
|
IoT Targeted Port Scan | ||
| 🇫🇷 ipfyx |
Port scanning
|
Port Scan | ||
| 🇩🇪 check-the-sum.fr |
Port Scanning
|
Port Scan | ||
| 🇳🇱 DonAtari |
DShield firewall scan - TCP to port 23
|
Brute-Force SSH | ||
| 🇺🇸 RAP |
2026-09-19 14:29:47 UTC Unauthorized activity to TCP port 23. Telnet
|
Port Scan | ||
| 🇩🇪 Tsumugi Kotobuki |
|
Port Scan Hacking | ||
| 🇺🇸 RAP |
2026-09-19 08:22:42 UTC Unauthorized activity to TCP port 23. Telnet
|
Port Scan |
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