IPLIST.NET - 48.21.216.in-addr.arpa
Search for IP or hostnames:
48.21.216.in-addr.arpa checked at 2025-10-13T07:22:51.714Z 172ms 42/42/42 100% R:1548.21.216.in-addr.arpa
| NS | ns1.firstcomm.com | ||||||
| A | 208.40.1.6🇺🇸 First Communications | ||||||
| PTR | ns1.firstcomm.com | ||||||
| NS | ns2.firstcomm.com | ||||||
| A | 168.92.1.6🇺🇸 RoadRunner | ||||||
| PTR | ns2.firstcomm.com | ||||||
21.216.in-addr.arpa
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Starts with same word
Starts similarily
AI analysis
48.21.216.in-addr.arpa is a parent of 57.48.21.216.in-addr.arpa and 74.48.21.216.in-addr.arpa.
48.21.216.in-addr.arpa is delegated to two name servers: ns1.firstcomm.com and ns2.firstcomm.com.
48.21.216.in-addr.arpa uses the same name server setup as other domains, for instance 41.222.74.in-addr.arpa, 110.93.168.in-addr.arpa, 114.130.216.in-addr.arpa, 142.27.64.in-addr.arpa and 36.21.216.in-addr.arpa.
48.21.216.in-addr.arpa shares name servers with other domains at least partially, for instance 221.7.69.in-addr.arpa, 210.7.69.in-addr.arpa, 200.7.69.in-addr.arpa, 212.7.69.in-addr.arpa and 194.7.69.in-addr.arpa.
these name servers are commonly used together with ns3.cimcoisp.net and ns4.cimcoisp.net.
Host names with one IP number:
ns1.firstcomm.com points to: 208.40.1.6.
ns2.firstcomm.com points to: 168.92.1.6.