CF1761748846871-tsm20251027103946

NSLIST.NET - 51.30.23.in-addr.arpa

Search for IP or hostnames:

51.30.23.in-addr.arpa checked at 2025-10-29T14:40:46.842Z 354ms 74/74/74 100% R:13

51.30.23.in-addr.arpa

NSns1.comcastbusiness.net
A2001:558:fe23:8:69:252:250:103 🇺🇸 COMCAST-IBONE
PTRdns101.comcast.net
A69.252.250.103🇺🇸 COMCAST-IBONE
PTRdns101.comcast.net
NSns2.comcastbusiness.net
A2001:558:1004:7:68:87:85:132 🇺🇸 COMCAST-IBONE
PTRdns102.comcast.net
A68.87.85.132🇺🇸 COMCAST-IBONE
PTRdns102.comcast.net
NSns3.comcastbusiness.net
A2001:558:1014:c:68:87:76:228 🇺🇸 COMCAST-IBONE
PTRdns103.comcast.net
A68.87.76.228🇺🇸 COMCAST-IBONE
PTRdns103.comcast.net
NSns4.comcastbusiness.net
A2001:558:100a:5:68:87:68:244 🇺🇸 COMCAST-IBONE
PTRdns104.comcast.net
A68.87.68.244🇺🇸 COMCAST-IBONE
PTRdns104.comcast.net
NSns5.comcastbusiness.net
A2001:558:100e:5:68:87:72:244 🇺🇸 COMCAST-IBONE
PTRdns105.comcast.net
A68.87.72.244🇺🇸 COMCAST-IBONE
PTRdns105.comcast.net

30.23.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

165.51.30.23.in-addr.arpa has 51.30.23.in-addr.arpa as its parent.

51.30.23.in-addr.arpa delegates to five name servers: ns1.comcastbusiness.net, ns2.comcastbusiness.net, ns3.comcastbusiness.net, ns4.comcastbusiness.net and ns5.comcastbusiness.net.

51.30.23.in-addr.arpa at least partially shares name servers with other domains such as tincans.org, ssac.org, 77.88.70.in-addr.arpa, 135.81.74.in-addr.arpa and 0.90.70.in-addr.arpa.

Two IPs per host name:

ns1.comcastbusiness.net points to: 2001:558:fe23:8:69:252:250:103 and 69.252.250.103

ns2.comcastbusiness.net points to: 2001:558:1004:7:68:87:85:132 and 68.87.85.132

ns3.comcastbusiness.net points to: 2001:558:1014:c:68:87:76:228 and 68.87.76.228

ns4.comcastbusiness.net points to: 2001:558:100a:5:68:87:68:244 and 68.87.68.244

ns5.comcastbusiness.net points to: 2001:558:100e:5:68:87:72:244 and 68.87.72.244

Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)

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

SglPoaa CF johedugfp 2025-10-29