137.227.128.0/22
AS22284 · U.S. Department of the Interior
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NetHandle: NET-137-227-0-0-1 OrgID: UDI-1-Z Parent: NET-137-0-0-0-0 NetName: US-DEPARTMENT-OF-THE-INTERIOR NetRange: 137.227.0.0 - 137.227.255.255 NetType: allocation RegDate: 1990-01-10 Updated: 2023-11-21 Source: ARIN OrgID: UDI-1-Z OrgName: U.S. Department of the Interior CanAllocate: Street: 1849 C St., N.W. City: Washington State/Prov: DC Country: US PostalCode: 20240 RegDate: 2023-11-15 Updated: 2023-11-15 OrgAdminHandle: STEVE25-ARIN OrgTechHandle: AYS-ARIN OrgTechHandle: STEVE25-ARIN OrgAbuseHandle: AYS-ARIN OrgAbuseHandle: STEVE25-ARIN OrgDNSHandle: STEVE25-ARIN Source: ARIN POCHandle: STEVE25-ARIN IsRole: N LastName: Harrington FirstName: Steven Street: 7301 West Mansfield Ave City: Denver State/Prov: CO Country: US PostalCode: 80235-2230 RegDate: 2003-09-09 Updated: 2023-10-30 OfficePhone: +1-303-969-6629 MobilePhone: +1-303-564-8342 Mailbox: steven_harrington@ios.doi.gov Source: ARIN POCHandle: AYS-ARIN IsRole: N LastName: Shaw FirstName: Amy Street: 12201 Sunrise Valley Drive 2P101 MS-241 City: Reston State/Prov: VA Country: US PostalCode: 20192 RegDate: 2022-02-01 Updated: 2022-02-01 OfficePhone: +1-703-487-3864 MobilePhone: +1-703-622-6097 Mailbox: amy_y_shaw@ios.doi.gov Source: ARIN
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What are IP address ranges?
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.
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