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Top observed IPs detected on SMTP.
| IP Address | Risk | Events | Sessions | Country | ASN | Last Seen |
|---|---|---|---|---|---|---|
| 194.50.16.198 | 100% | 73,491 | 73,197 | 🇳🇱 NL | AS49870 | 2026-04-18 |
| 194.26.192.102 | 95% | 54,364 | 11,476 | 🇳🇱 NL | AS210558 | 2026-03-17 |
| 16.58.56.214 | 100% | 52,934 | 50,390 | 🇺🇸 US | AS16509 | 2026-04-19 |
| 18.116.101.220 | 100% | 49,263 | 48,310 | 🇺🇸 US | AS16509 | 2026-04-19 |
| 18.218.118.203 | 100% | 46,860 | 44,226 | 🇺🇸 US | AS16509 | 2026-04-19 |
| 3.129.187.38 | 100% | 45,942 | 44,184 | 🇺🇸 US | AS16509 | 2026-04-19 |
| 178.16.54.139 | 92% | 44,573 | 44,503 | 🇳🇱 NL | AS202412 | 2026-03-14 |
| 3.130.168.2 | 100% | 42,207 | 40,064 | 🇺🇸 US | AS16509 | 2026-04-19 |
| 77.83.240.70 | 100% | 34,994 | 18,553 | 🇺🇸 US | AS49870 | 2026-04-18 |
| 81.29.142.100 | 100% | 33,994 | 24,824 | 🇷🇺 RU | AS210259 | 2026-04-19 |
| 185.177.72.38 | 99% | 32,502 | 2,141 | 🇫🇷 FR | AS211590 | 2026-04-11 |
| 176.120.22.52 | 91% | 31,147 | 20,960 | 🇷🇺 RU | AS198953 | 2026-04-01 |
| 103.61.122.229 | 100% | 30,114 | 28,204 | 🇻🇳 VN | AS135905 | 2026-04-16 |
| 3.131.220.121 | 100% | 28,384 | 27,477 | 🇺🇸 US | AS16509 | 2026-04-19 |
| 5.181.86.60 | 98% | 24,703 | 24,544 | 🇺🇦 UA | AS211632 | 2026-04-19 |
| 81.29.142.6 | 100% | 24,131 | 18,337 | 🇷🇺 RU | AS210259 | 2026-04-19 |
| 2.63.211.145 | 78% | 23,198 | 18,501 | 🇷🇺 RU | AS12389 | 2026-04-19 |
| 3.132.26.232 | 100% | 20,046 | 19,882 | 🇺🇸 US | AS16509 | 2026-04-19 |
| 185.177.72.13 | 98% | 17,669 | 1,469 | 🇫🇷 FR | AS211590 | 2026-04-16 |
| 185.177.72.51 | 92% | 17,656 | 1,565 | 🇫🇷 FR | AS211590 | 2026-04-18 |