128.91.2.92 - robtex.com

Philadelphia, Pennsylvania, 🇺🇸 USA · AS55 ASN-UPENN

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128.91.2.92 checked at 2026-01-20T04:53:09.016Z 301ms 9/9/9 100% R:3 allDone:true timedOut:false cfaller:6dbc10c1/17:5758e1f6:6:19053:-:-:-

PTRs and A-records

PTR	A	`weblogin1.net.isc.upenn.edu`
		A	128.91.2.92

🛡️Is this IP blacklisted?Check against 50+ spam databases→🌐128.91.0.0/16View network prefix details on RTSAK→🔧AS55Explore autonomous system on RTSAK→

Philadelphia, Pennsylvania, 🇺🇸 USA

^{🇺🇸 ASN-UPENN}

128.91.2.92 Philadelphia, Pennsylvania, 🇺🇸 USA Courtesy of