CF1760695275829-tsm20251017082432

IPLIST.NET - 4.2.121.in-addr.arpa

Search for IP or hostnames:

4.2.121.in-addr.arpa checked at 2025-10-17T10:01:15.814Z 341ms 36/36/36 100% R:12

4.2.121.in-addr.arpa

NSzns3.so-net.ne.jp
A210.139.255.33🇯🇵 Sony Network Communications
PTRzns3.so-net.ne.jp
NSzns4.so-net.ne.jp
A210.139.255.34🇯🇵 Sony Network Communications
PTRzns4.so-net.ne.jp

2.121.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

4.2.121.in-addr.arpa is a parent of 55.4.2.121.in-addr.arpa, 57.4.2.121.in-addr.arpa, 253.4.2.121.in-addr.arpa, 53.4.2.121.in-addr.arpa, 177.4.2.121.in-addr.arpa and a few other host names.

4.2.121.in-addr.arpa is delegated to two name servers: zns3.so-net.ne.jp and zns4.so-net.ne.jp.

4.2.121.in-addr.arpa shares the same name server setup as 64.238.202.in-addr.arpa, 56.198.123.in-addr.arpa, 8.169.182.in-addr.arpa, 225.213.202.in-addr.arpa and 62.147.59.in-addr.arpa.

Host names with a single IP:

zns3.so-net.ne.jp points to 210.139.255.33.

zns4.so-net.ne.jp points to 210.139.255.34.

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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