18.161.21.77 - robtex.com

Boston, Massachusetts, 🇺🇸 USA · AS16509 Amazon

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18.161.21.77 checked at 2026-01-15T06:05:16.071Z 270ms 9/9/9 100% R:5 allDone:true timedOut:false cfaller:6526b23b/23:1b354c2f:6:10860:-:-:-

PTRs and A-records

PTR	A	`server-18-161-21-77.bos50.r.cloudfront.net`
		A	18.161.21.77

🛡️Is this IP blacklisted?Check against 50+ spam databases→🌐18.161.16.0/21View network prefix details on RTSAK→🔧AS16509Explore autonomous system on RTSAK→

Boston, Massachusetts, 🇺🇸 USA

^{🇺🇸 Amazon}

18.161.21.77 Boston, Massachusetts, 🇺🇸 USA Courtesy of