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NetHandle: NET-129-106-0-0-1 OrgID: THEUN-1 Parent: NET-129-0-0-0-0 NetName: UTHOUSTON NetRange: 188.8.131.52 - 184.108.40.206 NetType: assignment RegDate: 1987-11-06 Updated: 2017-07-14 TechHandle: BUSHB13-ARIN Source: ARIN OrgID: THEUN-1 OrgName: The University of Texas Health Science Center at Houston CanAllocate: Street: 7000 Fannin Street: Suite M60 City: Houston State/Prov: TX Country: US PostalCode: 77030 RegDate: 2005-11-28 Updated: 2015-09-30 OrgAbuseHandle: ABUSE4086-ARIN OrgTechHandle: MURPH242-ARIN OrgNOCHandle: NETWO1058-ARIN OrgAdminHandle: MURPH242-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.