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Top observed IPs detected on SMTP.
| IP Address | Risk | Events | Sessions | Country | ASN | Last Seen |
|---|---|---|---|---|---|---|
| 194.50.16.198 | 100% | 73,492 | 73,198 | 🇳🇱 NL | AS49870 | 2026-04-19 |
| 16.58.56.214 | 100% | 55,187 | 52,620 | 🇺🇸 US | AS16509 | 2026-04-21 |
| 194.26.192.102 | 95% | 54,364 | 11,476 | 🇳🇱 NL | AS210558 | 2026-03-17 |
| 18.116.101.220 | 100% | 51,371 | 50,418 | 🇺🇸 US | AS16509 | 2026-04-21 |
| 18.218.118.203 | 100% | 48,507 | 45,871 | 🇺🇸 US | AS16509 | 2026-04-21 |
| 3.129.187.38 | 100% | 47,494 | 45,696 | 🇺🇸 US | AS16509 | 2026-04-21 |
| 178.16.54.139 | 92% | 44,573 | 44,503 | 🇳🇱 NL | AS202412 | 2026-03-14 |
| 3.130.168.2 | 100% | 43,475 | 41,332 | 🇺🇸 US | AS16509 | 2026-04-21 |
| 77.83.240.70 | 100% | 34,994 | 18,553 | 🇺🇸 US | AS49870 | 2026-04-18 |
| 81.29.142.100 | 100% | 34,987 | 25,815 | 🇷🇺 RU | AS210259 | 2026-04-21 |
| 185.177.72.38 | 99% | 32,503 | 2,142 | 🇫🇷 FR | AS211590 | 2026-04-21 |
| 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% | 28,920 | 28,012 | 🇺🇸 US | AS16509 | 2026-04-21 |
| 5.181.86.60 | 98% | 28,672 | 28,513 | 🇺🇦 UA | AS211632 | 2026-04-21 |
| 81.29.142.6 | 100% | 24,138 | 18,344 | 🇷🇺 RU | AS210259 | 2026-04-21 |
| 2.63.211.145 | 78% | 23,429 | 18,731 | 🇷🇺 RU | AS12389 | 2026-04-21 |
| 3.132.26.232 | 100% | 20,897 | 20,733 | 🇺🇸 US | AS16509 | 2026-04-21 |
| 3.134.216.108 | 100% | 18,097 | 17,372 | 🇺🇸 US | AS16509 | 2026-04-20 |
| 185.177.72.13 | 98% | 17,672 | 1,472 | 🇫🇷 FR | AS211590 | 2026-04-21 |