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IP Lookup
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Details and formats for any IPv4 address.
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Details, expansion and compression for any IPv6 address.
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Approximate geolocation with sources and accuracy.
DNS Lookup
A, AAAA, MX, TXT, NS, SOA, CAA and more with TTLs.
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PTR records with forward confirmation.
WHOIS / RDAP
Registration data for domains, IP networks and ASNs.
ASN Lookup
Holder, registry and every prefix an AS announces.
IP Range to CIDR
Convert an address range into the smallest set of CIDR blocks.
CIDR Calculator
Network, broadcast, masks and host counts for any prefix.
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WHOIS & RDAP Lookup
2620:0:860:3:208:80:153:75
WHOIS / RDAP
2620:0:860:3:208:80:153:75
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