NetHandle: NET-204-63-128-0-1 OrgID: EUREKA Parent: NET-204-0-0-0-0 NetName: EUREKA-1 NetRange: 184.108.40.206 - 220.127.116.11 NetType: assignment RegDate: 1994-10-31 Updated: 2017-04-12 AbuseHandle: SCOTT15-ARIN TechHandle: SCOTT15-ARIN NOCHandle: SCOTT15-ARIN Source: ARIN OrgID: EUREKA OrgName: Eureka Co. CanAllocate: Street: 1201 E. Bell St. City: Bloomington State/Prov: IL Country: US PostalCode: 61701-6902 RegDate: 1994-10-31 Updated: 2011-09-24 OrgAbuseHandle: SCOTT15-ARIN OrgAdminHandle: CKN23-ARIN OrgTechHandle: CKN23-ARIN Source: ARIN
IP Addresses in this 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.