Nameservers with A-records configured on private IPv4 ranges (RFC 1918)

10.0.0.0 - 10.255.255.255 range: 1558 Nameservers found
172.16.0.0 - 172.31.255.255 range: 852 Nameservers found
192.168.0.0 - 192.168.255.255 range: 2385 Nameservers found

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