83.212.5.0/24
AS5408 · National Infrastructures for Research and Technology S.A.
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inetnum: 83.212.0.0 - 83.212.7.255 netname: GRNET org: ORG-GRaT1-RIPE admin-c: GN1931-RIPE tech-c: GN1931-RIPE remarks: INFRA-AW status: ASSIGNED PA mnt-by: GRNET-NOC mnt-domains: MNT-GRNET-DNS created: 2007-10-19T14:04:39Z last-modified: 2009-03-13T07:37:20Z source: RIPE descr: Greek Research and Technology Network S.A descr: 56 Messogion Av. descr: 11527 Athens country: GR abuse-email: abuse@grnet.gr abuse-c: GN1931-RIPE abuse-org: ORG-GRaT1-RIPE organisation: ORG-GRaT1-RIPE org-name: National Infrastructures for Research and Technology S.A. country: GR org-type: LIR address: 7 Kifisias Av. address: 11523 address: Athens address: GREECE phone: +302107474274 fax-no: +302107474490 admin-c: GN1931-RIPE admin-c: AL3706-RIPE tech-c: GN1931-RIPE abuse-c: GN1931-RIPE mnt-ref: RIPE-NCC-HM-MNT mnt-ref: GRNET-NOC e-mail: info@grnet.gr mnt-by: RIPE-NCC-HM-MNT mnt-by: GRNET-NOC created: 2004-04-17T11:24:56Z last-modified: 2020-12-16T13:15:09Z source: RIPE role: GRNET NOC org: ORG-GRaT1-RIPE address: Greek Research and Technology Network (GRNET) S.A. address: Kifisias 7 address: Athens 11523, GREECE phone: +30 210 7474274 fax-no: +30 210 7474490 remarks: -------------------------------------- remarks: For complains about abuse, spam etc: abuse-mailbox: abuse@grnet.gr remarks: -------------------------------------- admin-c: AS43112-RIPE tech-c: AL3706-RIPE mnt-by: GRNET-NOC nic-hdl: GN1931-RIPE created: 2007-06-12T14:21:14Z e-mail: info@grnet.gr last-modified: 2019-09-19T15:39:37Z source: RIPE route: 83.212.0.0/21 descr: GRNET origin: AS5408 mnt-by: GRNET-NOC created: 2007-10-19T14:04:40Z last-modified: 2007-10-19T14:04:40Z 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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