inetnum: 126.96.36.199 - 188.8.131.52 netname: OPTINET-JL descr: Yambol country: BG admin-c: VDP32-RIPE tech-c: VDP32-RIPE status: ASSIGNED PA notify: email@example.com mnt-by: SPNET-MNT created: 2011-02-08T09:46:31Z last-modified: 2011-02-08T09:46:31Z source: RIPE person: Veselin Drosev Petrov address: 10 Arda str. app.1 address: Jambol, Bulgaria phone: +359 46 667850 e-mail: firstname.lastname@example.org nic-hdl: VDP32-RIPE created: 2007-04-10T12:22:30Z last-modified: 2016-04-06T22:37:22Z mnt-by: RIPE-NCC-LOCKED-MNT source: RIPE route: 184.108.40.206/19 descr: Spectrum NET PA space origin: AS8717 notify: email@example.com mnt-by: SPNET-MNT created: 2010-03-05T14:36:10Z last-modified: 2010-09-14T14:54:16Z source: RIPE
IP Addresses in this 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.