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2607:8100::/32 - WAVEBROADBAND
V6NetHandle: NET6-2607-8100-1 OrgID: WAVEB Parent: NET6-2600-1 NetName: WAVEBROADBAND NetRange: 2607:8100:: - 2607:8100:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF NetType: allocation OriginAS: 32107, 22759 RegDate: 2012-05-22 Updated: 2012-05-22 Source: ARIN OrgID: WAVEB OrgName: Wave Broadband CanAllocate: Street: 401 Kirkland Park Place Street: Suite 500 City: Kirkland State/Prov: WA Country: US PostalCode: 98033 RegDate: 2003-05-19 Updated: 2018-01-09 OrgAdminHandle: IAT18-ARIN OrgTechHandle: IAT18-ARIN OrgNOCHandle: WDHN-ARIN OrgAbuseHandle: WDHN-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.