inet6num: 2a02,560,,/32 netname: DE-HTN-20080630 country: de org: ORG-HHTP1-RIPE admin-c: HTP30-RIPE tech-c: ht196-RIPE status: ALLOCATED-BY-RIR notify: firstname.lastname@example.org notify: email@example.com notify: firstname.lastname@example.org mnt-by: RIPE-NCC-HM-MNT mnt-by: HTP-MNT created: 2008-06-30T13,19,56Z last-modified: 2016-06-28T13,24,43Z source: RIPE organisation: ORG-HHTP1-RIPE org-name: htp GmbH org-type: LIR address: Mailaender Str. 2 address: D-30539 address: Hannover address: GERMANY phone: +49 511 6000 0 fax-no: +49 511 6000 3499 e-mail: email@example.com admin-c: DK2667-RIPE admin-c: SK5737-RIPE admin-c: RE4549-RIPE admin-c: AA6263-RIPE admin-c: BR680-RIPE admin-c: MR7719-RIPE admin-c: RR4510-RIPE admin-c: SH5097-RIPE admin-c: MH5570-RIPE abuse-c: HGAH3-RIPE mnt-ref: RIPE-NCC-HM-MNT mnt-ref: HTP-MNT mnt-by: RIPE-NCC-HM-MNT mnt-by: HTP-MNT created: 2004-04-17T11,08,07Z last-modified: 2016-06-28T13,24,41Z source: RIPE role: htp admin-c address: htp GmbH address: Mailaender Str. 2 address: D-30539 Hannover address: Germany phone: +49 511 6000 0 fax-no: +49 511 6000 3499 e-mail: firstname.lastname@example.org abuse-mailbox: email@example.com admin-c: MR7719-RIPE tech-c: ht196-RIPE remarks: Role object for admin-c mnt-by: HTP-MNT nic-hdl: HTP30-RIPE created: 2007-06-01T07,13,57Z last-modified: 2016-06-28T13,43,06Z source: RIPE role: htp tech-c address: htp GmbH address: Mailaender Str. 2 address: D-30539 address: Hannover address: Germany phone: +49 511 6000 0 fax-no: +49 511 6000 3499 e-mail: firstname.lastname@example.org abuse-mailbox: email@example.com admin-c: HTP30-RIPE tech-c: RE4549-RIPE tech-c: BR680-RIPE tech-c: MH5570-RIPE tech-c: RR4510-RIPE tech-c: AA6263-RIPE tech-c: DK2667-RIPE tech-c: SH5097-RIPE tech-c: SK5737-RIPE tech-c: DA6969-RIPE remarks: role object for TECH-C mnt-by: HTP-MNT nic-hdl: ht196-RIPE created: 2007-06-01T07,09,33Z last-modified: 2016-06-28T13,41,36Z source: RIPE notify: firstname.lastname@example.org route6: 2a02,560,,/32 descr: htp GmbH IPv6 Prefix origin: AS13045 mnt-by: HTP-MNT created: 2009-04-02T13,09,00Z last-modified: 2009-04-02T13,09,00Z source: RIPE
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.