CF1760259831277-tsm20251012072614

IPLIST.NET - 21.65.251.77.in-addr.arpa

Search for IP or hostnames:

21.65.251.77.in-addr.arpa checked at 2025-10-12T09:03:51.265Z 455ms 49/49/49 100% R:16

21.65.251.77.in-addr.arpa

NSrns1.upc.biz
A2001:730:3e12::134 🇳🇱 Liberty Global
A195.34.133.134🇦🇹 Liberty Global
PTRrns1.upc.biz
NSrns2.upc.biz
A2001:730:3e12:1000::134 🇳🇱 Liberty Global
A213.47.222.134🇳🇱 Liberty Global
PTRrns2.upc.biz
PTR77-251-65-21.cable.dynamic.v4.ziggo.nl
A77.251.65.21🇳🇱 Vodafone Libertel B.V.
PTR77-251-65-21.cable.dynamic.v4.ziggo.nl

65.251.77.in-addr.arpa

NSrns1.upc.biz
NSrns2.upc.biz

Starts with same word

Starts similarily

AI analysis

Two name servers rns1.upc.biz and rns2.upc.biz handle delegation for 21.65.251.77.in-addr.arpa.

21.65.251.77.in-addr.arpa uses the same name server setup as other domains, for example 36.0.248.77.in-addr.arpa, 49.99.89.in-addr.arpa, 36.30.84.in-addr.arpa, 222.89.81.83.in-addr.arpa and 131.10.31.in-addr.arpa.

Host names with two IP numbers:

rns1.upc.biz points to: 2001:730:3e12::134 and 195.34.133.134

rns2.upc.biz points to: 2001:730:3e12:1000::134 and 213.47.222.134

77-251-65-21.cable.dynamic.v4.ziggo.nl points to a single IP: 77.251.65.21.

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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HkJFzoS CF johedugfp 2025-10-12