AS24971 · Master Internet s.r.o.
inet6num: 2a01:430::/32 netname: CZ-MASTER-20070809 country: cz org: ORG-MIs2-RIPE admin-c: MIc28-RIPE tech-c: MIc28-RIPE status: ALLOCATED-BY-RIR mnt-by: RIPE-NCC-HM-MNT mnt-by: MASTER-MNT mnt-routes: MASTER-MNT notify: email@example.com created: 2007-08-09T12:36:03Z last-modified: 2017-01-17T13:19:40Z source: RIPE abuse-email: firstname.lastname@example.org abuse-c: MAIc-RIPE abuse-org: ORG-MIs2-RIPE organisation: ORG-MIs2-RIPE org-name: Master Internet s.r.o. country: CZ org-type: LIR address: Jiraskova 21 address: 602 00 address: Brno address: CZECH REPUBLIC phone: +420 777919700 e-mail: email@example.com mnt-ref: MASTER-MNT mnt-ref: RIPE-NCC-HM-MNT mnt-by: RIPE-NCC-HM-MNT mnt-by: MASTER-MNT admin-c: PV352-RIPE admin-c: JIPA-RIPE admin-c: MZI-RIPE admin-c: PZAK-RIPE abuse-c: MAIc-RIPE created: 2004-04-17T11:04:37Z last-modified: 2020-12-16T12:56:39Z source: RIPE role: Master Internet contact address: Master Internet s.r.o address: Jiraskova 21 address: 602 00 Brno address: Czech Republic phone: +420777919484 e-mail: firstname.lastname@example.org abuse-mailbox: email@example.com admin-c: PV352-RIPE tech-c: MZI-RIPE tech-c: JIPA-RIPE nic-hdl: MIc28-RIPE mnt-by: MASTER-MNT created: 2006-07-27T12:32:08Z last-modified: 2009-03-28T19:44:57Z source: RIPE route6: 2a01:430::/32 descr: MASTER-IPV6-1-MAI-CZ origin: AS24971 mnt-by: MASTER-MNT created: 2007-08-10T10:24:27Z last-modified: 2007-08-10T10:24:27Z source: RIPE
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What are IP address ranges?
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.
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