44.133.72.0/22
AS7377 · University of California, San Diego
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NetHandle: NET-44-0-0-0-1 OrgID: ARDC Parent: NET-44-0-0-0-0 NetName: AMPRNET NetRange: 44.0.0.0 - 44.191.255.255 NetType: allocation RegDate: 1992-07-01 Updated: 2021-12-14 Source: ARIN OrgID: ARDC OrgName: Amateur Radio Digital Communications CanAllocate: Street: 5663 Balboa Ave Suite 432 City: San Diego State/Prov: CA Country: US PostalCode: 92111-2705 RegDate: 1970-01-01 Updated: 2023-12-13 OrgAdminHandle: ARDCA-ARIN OrgTechHandle: SMITH5996-ARIN OrgAbuseHandle: SMITH5996-ARIN Source: ARIN POCHandle: ARDCA-ARIN IsRole: Y LastName: ARDC Admin FirstName: Street: 5663 Balboa Ave Suite 432 City: San Diego State/Prov: CA Country: US PostalCode: 92111-2705 RegDate: 2023-07-28 Updated: 2024-03-25 OfficePhone: +1-858-477-9900 Mailbox: bdale@ardc.net Mailbox: chris@ardc.net Mailbox: rosy@ardc.net Source: ARIN POCHandle: SMITH5996-ARIN IsRole: N LastName: Smith FirstName: Chris Street: 27 Wye road City: High Wycombe State/Prov: Country: GB PostalCode: HP10 0DU RegDate: 2020-02-02 Updated: 2023-10-09 OfficePhone: +44 (0)1844 220022 Mailbox: chris@ardc.net 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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