CF1763191773285-tsm20251109205412

IPLIST.NET - 237.23.89.in-addr.arpa

Search for IP or hostnames:

237.23.89.in-addr.arpa checked at 2025-11-15T07:29:33.272Z 287ms 64/64/64 100% R:27 allDone:true timedOut:false

237.23.89.in-addr.arpa

NSauthns1.fiberby.net
A2a03:5440:0:102::53 🇩🇰 Fiberby
PTRauthns1.fiberby.net
A193.104.135.46🇩🇰 Fiberby
PTRauthns1.fiberby.net
NSauthns2.fiberby.net
A2a03:5440:0:202::53 🇩🇰 Fiberby
PTRauthns2.fiberby.net
A193.104.135.50🇩🇰 Fiberby
PTRauthns2.fiberby.net
NSauthns3.fiberby.net
A2a03:5440:0:302::53 🇩🇰 Fiberby
PTRauthns3.fiberby.net
A193.104.135.54🇩🇰 Fiberby
PTRauthns3.fiberby.net
NSauthns4.fiberby.net
A2001:1af8:4700:a134:23::53 🇳🇱 LEASEWEB-NL-AMS-01
PTRauthns4.fiberby.net
A5.79.113.128🇳🇱 LEASEWEB-NL-AMS-01
PTRauthns4.fiberby.net

23.89.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

The parent of 202.237.23.89.in-addr.arpa, 38.237.23.89.in-addr.arpa, 139.237.23.89.in-addr.arpa, 7.237.23.89.in-addr.arpa and 34.237.23.89.in-addr.arpa is 237.23.89.in-addr.arpa.

237.23.89.in-addr.arpa is delegated to four name servers: authns1.fiberby.net, authns2.fiberby.net, authns3.fiberby.net and authns4.fiberby.net.

237.23.89.in-addr.arpa at least partially shares its name servers with other domains, for instance 246.23.89.in-addr.arpa, fiberby.dk, 247.23.89.in-addr.arpa, 227.23.89.in-addr.arpa and fiberby.net.

Host names with two IPs: authns1.fiberby.net points to 2a03:5440:0:102::53 and 193.104.135.46; authns2.fiberby.net points to 2a03:5440:0:202::53 and 193.104.135.50; authns3.fiberby.net points to 2a03:5440:0:302::53 and 193.104.135.54; authns4.fiberby.net points to 2001:1af8:4700:a134:23::53 and 5.79.113.128.

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