V6NetHandle: NET6-2620-10B-5000-1 OrgID: CCSER Parent: NET6-2620-1 NetName: COUNTRY-PROD-NET NetRange: 2620:10B:5000:: - 2620:10B:500F:FFFF:FFFF:FFFF:FFFF:FFFF NetType: assignment OriginAS: 35903, 10511 RegDate: 2012-03-07 Updated: 2012-03-07 Source: ARIN OrgID: CCSER OrgName: CC Services, Inc CanAllocate: Street: 1711 G.E. Rd City: Bloomington State/Prov: IL Country: US PostalCode: 61702 RegDate: 2003-05-30 Updated: 2015-05-22 OrgAdminHandle: NETWO7456-ARIN OrgNOCHandle: NETWO7456-ARIN OrgTechHandle: NETWO7456-ARIN OrgAbuseHandle: NETWO7456-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.