inetnum: 188.8.131.52 - 184.108.40.206 netname: SC-CATIVAGN-SERV-SRL descr: SC CATIVAGN SERV SRL descr: FAGARAS, B-DUL UNIRII descr: bl.1, sc.b, apt.1 country: RO admin-c: PD2594-RIPE tech-c: PD2594-RIPE status: ASSIGNED PA mnt-by: AS3233-MNT mnt-lower: AS3233-MNT mnt-routes: AS8708-MNT remarks: object maintained by ROTLD local registry notify: firstname.lastname@example.org created: 2008-01-21T09,14,54Z last-modified: 2008-01-21T09,14,54Z source: RIPE person: PAVAL DOINA address: FAGARAS address: b-dul unirii,bl.1, sc.b, apt.1 address: RO phone: +40-268-211824 fax-no: +40-268-214700 e-mail: email@example.com nic-hdl: PD2594-RIPE notify: firstname.lastname@example.org mnt-by: AS3233-MNT created: 2008-01-21T09,14,54Z last-modified: 2008-01-21T09,14,54Z source: RIPE route: 220.127.116.11/19 descr: RDSNET origin: AS8708 holes: 18.104.22.168/24 mnt-by: AS8708-MNT created: 2005-09-28T11,02,42Z last-modified: 2014-07-04T14,41,27Z source: RIPE
IP address subranges within this IP range
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.