CF1760116421713-tsm20251010160957

IPLIST.NET - 204.21.1.in-addr.arpa

Search for IP or hostnames:

204.21.1.in-addr.arpa checked at 2025-10-10T17:13:41.699Z 93ms 42/42/42 100% R:13

204.21.1.in-addr.arpa

NSns1.vectant.ne.jp
A163.139.230.164🇯🇵 ARTERIA Networks Corporation (Vectant)
PTRns1.vectant.ne.jp
NSns2.vectant.ne.jp
A163.139.230.165🇯🇵 ARTERIA Networks Corporation (Vectant)
PTRns2.vectant.ne.jp

21.1.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

204.21.1.in-addr.arpa has children including 176.204.21.1.in-addr.arpa, 224.204.21.1.in-addr.arpa, 136.204.21.1.in-addr.arpa, 99.204.21.1.in-addr.arpa, 171.204.21.1.in-addr.arpa and a few other host names.

204.21.1.in-addr.arpa is delegated to two name servers: ns1.vectant.ne.jp and ns2.vectant.ne.jp.

204.21.1.in-addr.arpa uses the same name server setup as other domains, including 80.247.220.fls.vectant.ne.jp, 0.179.115.in-addr.arpa, 148.3.36.in-addr.arpa, hiroshima.otk.vectant.ne.jp and 26.51.120.in-addr.arpa.

At least part of the name servers for 204.21.1.in-addr.arpa are shared with other domains, for instance 00i.242.215.202.in-addr.arpa, vectant.jp, nakapat.gr.jp, kyoto-ths.ed.jp and mywork.co.jp.

These name servers are often used together with ns1.i2ts.ne.jp, ns3.i2ts.ne.jp and ns3.vectant.ne.jp.

Hostnames with a single IP

ns1.vectant.ne.jp resolves to: 163.139.230.164.

ns2.vectant.ne.jp resolves to: 163.139.230.165.

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

kIWLFlM CF johedugfp 2025-10-10