AS3495 US Senate
184.108.40.206/16 - USSAA
NetHandle: NET-156-33-0-0-1 OrgID: USSAA Parent: NET-156-0-0-0-0 NetName: USSAA NetRange: 220.127.116.11 - 18.104.22.168 NetType: assignment OriginAS: 3495 RegDate: 1991-12-03 Updated: 2007-04-05 Source: ARIN OrgID: USSAA OrgName: United States Senate CanAllocate: Street: 2 MASSACHUSETTS AVENUE, N.E. 6TH FLOOR City: WASHINGTON DC State/Prov: DC Country: US PostalCode: 20510 RegDate: 1991-12-03 Updated: 2011-09-24 OrgAdminHandle: NOC143-ARIN OrgTechHandle: NOC143-ARIN OrgAbuseHandle: NOC143-ARIN Source: ARIN
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.