General Info
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Whois Details
inet6num: 2a01,280,4,,/48 netname: SE-RESILANS descr: Resilans office country: SE admin-c: RESI1-RIPE tech-c: RESI1-RIPE status: ASSIGNED mnt-by: RESILANS-MNT created: 2011-10-13T12,05,00Z last-modified: 2011-10-13T12,05,00Z source: RIPE role: Resilans AB address: Resilans AB address: Box 13 054 address: S-103 02 Stockholm address: Sweden phone: +46 8 6881180 e-mail: info@resilans.se admin-c: WIDL2-RIPE tech-c: WIDL2-RIPE tech-c: GORD1-RIPE tech-c: FISC1-RIPE tech-c: STLP2-RIPE tech-c: ANDR7-RIPE tech-c: NADI4-RIPE nic-hdl: RESI1-RIPE abuse-mailbox: abuse@resilans.se mnt-by: RESILANS-MNT created: 2007-12-11T22,46,37Z last-modified: 2014-05-19T11,33,56Z source: RIPE route6: 2a01,280,4,,/48 descr: RESILANS AB origin: AS12381 mnt-by: RESILANS-MNT created: 2011-10-13T12,05,00Z last-modified: 2011-10-13T12,05,00Z source: RIPE
Details
IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.
Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.