91.137.20.0/22
AS199284 · Thueringer Netkom GmbH
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inetnum: 91.137.16.0 - 91.137.31.255 netname: DE-TNETKOM-DSL-CUSTOMERS country: DE admin-c: TV1427-RIPE tech-c: TV1427-RIPE status: ASSIGNED PA mnt-by: MNT-TNETKOM mnt-routes: MNT-TNETKOM mnt-routes: ENCOLINE-MNT org: ORG-eG57-RIPE notify: thomas.voigt@netkom.de created: 2017-04-07T09:19:55Z last-modified: 2017-04-07T09:19:55Z source: RIPE abuse-email: abuse@netkom.de abuse-c: TA4344-RIPE abuse-org: ORG-eG57-RIPE organisation: ORG-eG57-RIPE org-name: Thueringer Netkom GmbH country: DE org-type: LIR address: Schwerborner Straße 30 address: 99087 address: Erfurt address: GERMANY phone: +49-3643-21-3001 fax-no: +493643213009 e-mail: info@netkom.de admin-c: MS50939-RIPE admin-c: LD26 tech-c: ENCO-RIPE abuse-c: TA4344-RIPE mnt-ref: RIPE-NCC-HM-MNT mnt-ref: ENCOLINE-MNT mnt-ref: MNT-TNETKOM mnt-by: RIPE-NCC-HM-MNT mnt-by: ENCOLINE-MNT created: 2012-06-18T08:51:02Z last-modified: 2024-02-29T10:43:31Z source: RIPE person: Thomas Voigt address: Thueringer Netkom GmbH Schwanseestrasse 13 99423 Weimar GERMANY phone: +49 3643 213035 nic-hdl: TV1427-RIPE mnt-by: MNT-TNETKOM created: 2009-09-14T13:18:30Z last-modified: 2011-03-28T12:35:55Z source: RIPE route: 91.137.16.0/20 origin: AS199284 mnt-by: MNT-TNETKOM mnt-by: ENCOLINE-MNT created: 2017-02-24T10:28:20Z last-modified: 2017-02-24T10:28:20Z 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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