inetnum: 188.8.131.52 - 184.108.40.206 netname: UK-MANOR-IT-UK-LTD-20110308 country: GB org: ORG-MIL10-RIPE admin-c: MIT tech-c: MIT status: ALLOCATED PA mnt-by: RIPE-NCC-HM-MNT mnt-by: MNT-UK-9004 mnt-routes: MNT-UK-9002 notify: email@example.com created: 2011-03-08T16,22,48Z last-modified: 2017-02-15T15,08,50Z source: RIPE organisation: ORG-MIL10-RIPE org-name: Manor IT (UK) LTD org-type: LIR address: 37 Dawlish Drive, Seven Kings, Illford address: IG3 9ED address: Essex address: UNITED KINGDOM e-mail: firstname.lastname@example.org mnt-ref: RIPE-NCC-HM-MNT mnt-ref: MNT-UK-9004 mnt-by: RIPE-NCC-HM-MNT mnt-by: MNT-UK-9004 admin-c: MIT abuse-c: MT13640-RIPE created: 2011-03-01T12,05,56Z last-modified: 2017-02-15T15,08,51Z source: RIPE phone: +447837037262 fax-no: +442077909134 person: MD Mustafizur Rahman address: 114 Chapman Street London E1 2PH United Kingdom phone: +447574570804 e-mail: email@example.com nic-hdl: MIT mnt-by: MNT-UK-9002 created: 2011-02-22T16,24,06Z last-modified: 2013-09-09T11,19,11Z 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.