CF1763563805922-tsm20251116095642

DNSWHOIS.INFO - host81-133-42-40.in-addr.btopenworld.com

Search for IP or hostnames:

host81-133-42-40.in-addr.btopenworld.com checked at 2025-11-19T14:50:05.906Z 269ms 22/22/22 100% R:13 allDone:true timedOut:false

host81-133-42-40.in-addr.btopenworld.com

A81.133.42.40🇬🇧 BTnet (BT's UK IP Network - AS2856)
PTRhost81-133-42-40.in-addr.btopenworld.com

in-addr.btopenworld.com

NSa-ns.bt.com
NSb-ns.bt.com

PTR for

AI analysis

host81-133-42-40.in-addr.btopenworld.com maps to IP address 81.133.42.40.

Other host names, for example, mail.advancedtherapeuticsuk.com share IP numbers with host81-133-42-40.in-addr.btopenworld.com.

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