services/Whois.md
... ...
@@ -96,7 +96,7 @@ $ cat /etc/whois.conf
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# dn42 range 4242420000-4242429999
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^as424242[0-9]{4}$ whois.dn42
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# dn42 ipv4 address space
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-^172\.2[2-3]\.[0-9]{1,3}\.[0-9]{1,3}(/(1[56789]|2[0-9]|3[012]))?$ whois.dn42
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+^172\.2[0-3]\.[0-9]{1,3}\.[0-9]{1,3}(/(1[56789]|2[0-9]|3[012]))?$ whois.dn42
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# dn42 ula ipv6 address space
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fd**:****:****:****:****:****:****:**** whois.dn42