CF1763544494351-tsm20251116095642

IPLIST.NET - 1.0.0.0.3.2.1.0.0.0.0.0.0.0.0.0.0.0.2.0.2.1.2.0.0.3.6.0.1.0.0.2.ip6.arpa

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1.0.0.0.3.2.1.0.0.0.0.0.0.0.0.0.0.0.2.0.2.1.2.0.0.3.6.0.1.0.0.2.ip6.arpa checked at 2025-11-19T09:28:14.306Z 1177ms 20/20/20 100% R:10 allDone:true timedOut:false

1.0.0.0.3.2.1.0.0.0.0.0.0.0.0.0.0.0.2.0.2.1.2.0.0.3.6.0.1.0.0.2.ip6.arpa

PTRntp0a.cl.cam.ac.uk
A2001:630:212:200::123:1 🇬🇧 JANET
PTRntp0a.cl.cam.ac.uk
A128.232.103.138🇬🇧 JANET
PTRntp0a.cl.cam.ac.uk

0.0.0.3.2.1.0.0.0.0.0.0.0.0.0.0.0.2.0.2.1.2.0.0.3.6.0.1.0.0.2.ip6.arpa

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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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