139.75.0.0/16
AS680 · Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
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inetnum: 139.75.0.0 - 139.75.255.255 netname: POTSBLITZ descr: Alfred-Wegener-Institut, Helmholtz-Zentrum fuer Polar- und Meeresforschung descr: Telegraphenberg, Potsdam country: DE admin-c: BB11598-RIPE tech-c: AS48909-RIPE status: LEGACY mnt-by: DFN-LIR-MNT mnt-irt: IRT-DFN-CERT created: 1970-01-01T00:00:00Z last-modified: 2024-08-14T07:37:16Z source: RIPE person: Andreas Senst address: Alfred-Wegener-Institut, Helmholtz-Zentrum fuer Polar- und Meeresforschung address: RZ-Potsdam address: Telegrafenberg A45 address: 14473 Potsdam address: Germany phone: +49 331 58174 5021 e-mail: andreas.senst@awi.de nic-hdl: AS48909-RIPE mnt-by: DFN-NTFY created: 2024-08-13T13:07:35Z last-modified: 2024-08-13T13:07:35Z source: RIPE person: Benny Braeuer address: Alfred-Wegener-Institut, Helmholtz-Zentrum fuer Polar- und Meeresforschung address: Computing and Data Centre address: Am Handelshafen 12 address: 27570 Bremerhaven address: Germany phone: +49 471 4831 1583 fax-no: +49 471 4831 1590 nic-hdl: BB11598-RIPE mnt-by: DFN-NTFY created: 2019-01-31T14:16:12Z last-modified: 2019-01-31T14:16:12Z source: RIPE route: 139.75.0.0/16 descr: POTSBLITZ origin: AS1275 mnt-by: DFN-MNT created: 1970-01-01T00:00:00Z last-modified: 2001-09-22T09:32:37Z source: RIPE route: 139.75.0.0/16 descr: POTSBLITZ origin: AS680 mnt-by: DFN-MNT created: 1970-01-01T00:00:00Z last-modified: 2001-09-22T09:33:18Z source: RIPE
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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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