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inetnum: 188.8.131.52 - 184.108.40.206 netname: IAS-09-004-1119 descr: T-Systems International descr: Saonestr. 3 descr: 60528 Frankfurt; Germany descr: Address Range for Sana IT-Services GmbH country: DE admin-c: AS34240-RIPE tech-c: AS34240-RIPE status: ASSIGNED PA mnt-domains: DE-TSBS-R-MNT mnt-by: DE-TSBS-A-MNT notify: email@example.com created: 2009-05-11T11:24:13Z last-modified: 2015-01-23T11:49:50Z source: RIPE person: Adrian Serafinceanu address: Sana IT-Services GmbH address: Oskar-Messter-Str. 24 address: D-85737 Ismaning phone: +49 89 678204 454 e-mail: firstname.lastname@example.org nic-hdl: AS34240-RIPE mnt-by: DE-TSI-MNT notify: email@example.com created: 2015-01-23T11:21:26Z last-modified: 2015-01-26T13:21:36Z source: RIPE route: 220.127.116.11/22 descr: T-Systems BS descr: T-Systems SA origin: AS20570 mnt-by: DE-TSBS-R-MNT notify: firstname.lastname@example.org created: 2009-02-12T12:23:12Z last-modified: 2009-02-12T12:23:12Z source: RIPE route: 18.104.22.168/22 descr: T-Systems International descr: IAS Service origin: AS48951 mnt-by: DE-TSBS-R-MNT notify: email@example.com created: 2010-04-07T07:41:32Z last-modified: 2010-04-07T07:41:32Z 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.