CF1760216596300-tsm20251011193234

IPLIST.NET - 121.91.203.in-addr.arpa

Search for IP or hostnames:

121.91.203.in-addr.arpa checked at 2025-10-11T21:03:16.280Z 763ms 50/50/50 100% R:17

121.91.203.in-addr.arpa

NSdns2.edu.cn
A2001:da8:1:100::13 🇨🇳 China Next Generation Internet CERNET2
PTRdns2.edu.cn
A202.112.0.13🇨🇳 CNGI-BJ-IX2-AS-AP
PTRdns2.edu.cn
NSdns.edu.cn
A2001:250:c006::35 🇨🇳 China Next Generation Internet CERNET2
PTRdns.edu.cn
A202.38.109.35🇨🇳 CERNET-CN
PTRdns.edu.cn

91.203.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

121.91.203.in-addr.arpa is the parent of 21.121.91.203.in-addr.arpa.

121.91.203.in-addr.arpa is delegated to two name servers dns2.edu.cn and dns.edu.cn.

121.91.203.in-addr.arpa shares the same name server setup as other domains, for instance 60.137.103.in-addr.arpa, cernet.edu.cn, 109.38.202.in-addr.arpa, compass.edu.cn and nic.edu.cn.

121.91.203.in-addr.arpa at least partially shares name servers with other domains, for instance xing.li, 119.38.202.in-addr.arpa, 26.210.in-addr.arpa, thu.edu.cn and 83.211.in-addr.arpa.

These name servers are commonly used with ns2.net.edu.cn, dns.tsinghua.edu.cn, ns.apnic.net, dns2.tsinghua.edu.cn and info.net.edu.cn.

Host names with two IP numbers:

The host name dns2.edu.cn points to 2001:da8:1:100::13 and 202.112.0.13; the host name dns.edu.cn points to 2001:250:c006::35 and 202.38.109.35.

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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uoukdKz CF johedugfp 2025-10-11