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Represents a SIP INVITE request sent to initiate a call to a specific SIP URI. This primitive indicates an attempt to establish a voice session and is commonly observed during call probing, extension enumeration, toll-fraud attempts, or abuse of open or misconfigured SIP services. When unsolicited or unauthenticated, it often signals malicious intent rather than legitimate call setup.
| IP Address | Risk | Events | Sessions | Country | ASN | Last Seen |
|---|---|---|---|---|---|---|
| 15.204.145.230 | 99% | 663,015 | 175,470 | 🇺🇸 US | AS16276 | 2026-02-15 |
| 51.91.168.102 | 99% | 476,960 | 292,321 | 🇫🇷 FR | AS16276 | 2026-03-03 |
| 103.195.101.98 | 100% | 301,679 | 125,461 | 🇺🇸 US | AS23470 | 2026-02-20 |
| 185.243.5.36 | 98% | 226,866 | 57,273 | 🇭🇰 HK | AS23470 | 2026-02-24 |
| 94.23.150.225 | 100% | 215,305 | 69,184 | 🇳🇱 NL | AS16276 | 2026-03-02 |
| 43.225.196.98 | 100% | 186,662 | 44,425 | 🇭🇰 HK | AS963 | 2026-03-02 |
| 5.196.184.10 | 96% | 132,075 | 29,508 | 🇫🇷 FR | AS16276 | 2026-02-17 |
| 15.204.135.78 | 99% | 104,009 | 103,997 | 🇺🇸 US | AS16276 | 2026-03-02 |
| 185.150.190.238 | 100% | 101,766 | 29,132 | 🇺🇸 US | AS23470 | 2026-02-19 |
| 173.245.76.90 | 98% | 91,953 | 55,741 | 🇺🇸 US | AS18779 | 2026-03-03 |
| 51.77.32.116 | 99% | 87,017 | 87,017 | 🇵🇱 PL | AS16276 | 2026-03-03 |
| 37.59.148.111 | 96% | 86,321 | 18,768 | 🇫🇷 FR | AS16276 | 2026-02-14 |
| 172.110.223.5 | 98% | 81,748 | 20,610 | 🇭🇰 HK | AS23470 | 2026-02-13 |
| 51.222.38.229 | 97% | 81,649 | 11,353 | 🇨🇦 CA | AS16276 | 2026-02-01 |
| 198.143.191.202 | 98% | 75,166 | 25,142 | 🇺🇸 US | AS32475 | 2026-02-19 |
| 5.135.106.93 | 100% | 68,840 | 68,783 | 🇫🇷 FR | AS16276 | 2026-02-24 |
| 208.115.193.8 | 98% | 63,163 | 17,919 | 🇺🇸 US | AS46475 | 2026-02-03 |
| 45.141.215.121 | 99% | 61,599 | 24,469 | 🇵🇱 PL | AS210558 | 2026-02-15 |
| 166.88.114.108 | 99% | 58,413 | 16,726 | 🇺🇸 US | AS149440 | 2026-02-12 |
| 208.3.195.65 | 100% | 56,522 | 38,074 | 🇺🇸 US | AS18632 | 2026-03-03 |