CF1763802332240-tsm20251122085601

DNSWHOIS.INFO - 231.21.47.in-addr.arpa

Search for IP or hostnames:

231.21.47.in-addr.arpa checked at 2025-11-22T09:05:32.225Z 149ms 36/36/36 100% R:12 allDone:true timedOut:false

231.21.47.in-addr.arpa

NSauthns1.cvnet.com
A167.206.13.20🇺🇸 Cablevision Systems Corporation
PTRdns1.cvnet.com
NSauthns1.cv.net
A167.206.12.12🇺🇸 Cablevision Systems Corporation
PTRdns1.cv.net

21.47.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

231.21.47.in-addr.arpa is a parent of 251.231.21.47.in-addr.arpa, 229.231.21.47.in-addr.arpa and 244.231.21.47.in-addr.arpa.

231.21.47.in-addr.arpa is delegated to two name servers: authns1.cvnet.com and authns1.cv.net.

231.21.47.in-addr.arpa uses the same name server setup as other domains, including 238.127.75.in-addr.arpa, 129.23.47.in-addr.arpa, 202.47.24.in-addr.arpa, 25.162.108.in-addr.arpa and 64.38.24.in-addr.arpa.

Hostnames with a single IP

authns1.cvnet.com resolves to: 167.206.13.20.

authns1.cv.net resolves to: 167.206.12.12.

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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