CF1762261860526-tsm20251104080352

IPLIST.NET - mailman.research.att.com

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mailman.research.att.com checked at 2025-11-04T13:11:00.508Z 2437ms 25/25/25 100% R:14

mailman.research.att.com

A135.207.255.58🇺🇸 AS6431
PTRh-135-207-255-58.research.att.com

research.att.com

NSns1.attdns.com
NSns2.attdns.com
NSns3.attdns.com
MXmx0a-00191d01.pphosted.com
MXmx0b-00191d01.pphosted.com
NSns-bd-e1.research.att.com
NSns-bd-e2.research.att.com
NSns.research.att.com
A135.207.255.47🇺🇸 AS6431

Starts with same word

Starts similarily

AI analysis

mailman.research.att.com points to a single IP number: 135.207.255.58.

Other host names, for instance h-135-207-255-58.research.att.com, share IP numbers with mailman.research.att.com.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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