194.121.123.0/24
AS25038 · Alfred Schruff trading as AIXTRANET
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inetnum: 194.121.123.0 - 194.121.123.255 netname: US-GTTCOMMUNICATIONS-19950731 country: DE geofeed: https://geolocation.gtt.net/gtt_geolocation.csv remarks: Geofeed https://geolocation.gtt.net/gtt_geolocation.csv org: ORG-GCI2-RIPE admin-c: NET3257-RIPE tech-c: NET3257-RIPE status: ALLOCATED PA mnt-by: AS3257-ROOT-MNT mnt-by: RIPE-NCC-HM-MNT created: 2022-10-31T14:05:02Z last-modified: 2023-06-13T10:28:34Z source: RIPE abuse-email: abuse@gtt.net abuse-c: AR37017-RIPE abuse-org: ORG-GCI2-RIPE organisation: ORG-GCI2-RIPE org-name: GTT Communications Inc. country: US org-type: LIR address: Hugenottenallee 167 address: 63263 address: Neu-Isenburg address: GERMANY phone: +1 703 442 5500 e-mail: noc@gtt.net admin-c: TK333-RIPE tech-c: TK333-RIPE tech-c: DS15504-RIPE tech-c: NN3489-RIPE tech-c: AV13497-RIPE tech-c: AV13497-RIPE tech-c: FP1849-RIPE abuse-c: AR37017-RIPE mnt-ref: AS3257-ROOT-MNT mnt-by: RIPE-NCC-HM-MNT mnt-by: AS3257-ROOT-MNT created: 2016-07-19T07:50:40Z last-modified: 2024-03-11T11:53:53Z source: RIPE role: AS3257 Net Admin address: GTT address: Hugenottenallee 167 address: 63263 Neu-Isenburg address: Germany phone: +49 69 48007422 e-mail: netguard@gtt.net remarks: Information: http://www.gtt.net remarks: Concerning abuse and spam ... mailto: abuse@gtt.net abuse-mailbox: abuse@gtt.net admin-c: SE33-RIPE tech-c: TK333-RIPE nic-hdl: NET3257-RIPE remarks: hostmaster role account notify: netguard@gtt.net mnt-by: AS3257-PERS-MNT created: 2009-07-06T08:22:53Z last-modified: 2024-03-11T11:28:53Z source: RIPE route: 194.121.123.0/24 descr: GTT-AIXTRANET-POP-Netz origin: AS25038 mnt-routes: AIXTRANET-MNT mnt-routes: AS286-TRANS-MNT mnt-by: AS286-TRANS-MNT created: 2019-10-21T16:29:49Z last-modified: 2020-08-10T16:08:52Z source: RIPE route: 194.121.123.0/24 descr: GTT origin: AS286 mnt-by: AS286-TRANS-MNT mnt-routes: AS286-TRANS-MNT mnt-routes: AS3257-ROUTE-MNT created: 2019-10-21T16:31:07Z last-modified: 2020-08-10T16:08:22Z source: RIPE route: 194.121.123.0/24 descr: GTT origin: AS3257 mnt-by: AS3257-ROUTE-MNT created: 2020-02-20T16:57:58Z last-modified: 2020-02-20T16:57:58Z source: RIPE
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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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