V6NetHandle: NET6-2620-27-1 OrgID: DEEREC Parent: NET6-2620-1 NetName: JDNET NetRange: 2620:27:: - 2620:27:F:FFFF:FFFF:FFFF:FFFF:FFFF NetType: assignment OriginAS: 10846 Comment: Deere & Company Enterprise Network RegDate: 2010-12-29 Updated: 2015-02-10 AbuseHandle: NETPU1-ARIN TechHandle: NETPU1-ARIN NOCHandle: NETPU1-ARIN Source: ARIN OrgID: DEEREC OrgName: Deere & Company CanAllocate: Street: One John Deere Place City: Moline State/Prov: IL Country: US PostalCode: 61265 Comment: In case of suspected abuse, please email firstname.lastname@example.org RegDate: 1988-10-04 Updated: 2011-09-24 OrgAdminHandle: NETPU1-ARIN OrgTechHandle: NETPU1-ARIN OrgAbuseHandle: NETPU1-ARIN Source: ARIN
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.