139.28.80.0/24
AS44920 · Si.TEK Informatica Srl
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inetnum: 139.28.80.0 - 139.28.83.255 netname: IT-SITEK-20190102 country: IT org: ORG-SIS65-RIPE admin-c: GC1975 tech-c: GC1975 status: ALLOCATED PA mnt-by: MNT-SITEK mnt-by: RIPE-NCC-HM-MNT created: 2021-10-25T07:12:17Z last-modified: 2022-04-12T13:00:12Z source: RIPE mnt-routes: MNT-SITEK mnt-domains: MNT-SITEK abuse-email: gianmauro@si-tek.it abuse-c: AC28606-RIPE abuse-org: ORG-SIS65-RIPE organisation: ORG-SIS65-RIPE org-name: Si.TEK Informatica Srl country: IT org-type: LIR address: C.so Principe di Piemonte 35 address: 12035 address: Racconigi address: ITALY phone: +39172813868 fax-no: +39172820040 e-mail: gianmauro@si-tek.it abuse-c: AC28606-RIPE mnt-ref: MNT-SITEK mnt-ref: RIPE-NCC-HM-MNT mnt-by: RIPE-NCC-HM-MNT mnt-by: MNT-SITEK created: 2014-11-06T15:36:57Z last-modified: 2021-10-21T13:54:15Z source: RIPE person: Gianmauro Calligaris org: ORG-SIS65-RIPE address: C.so Principe di Piemonte 35 phone: +39.(0)172813868 e-mail: gianmauro@si-tek.it nic-hdl: GC1975 mnt-by: MNT-SITEK created: 2014-11-13T20:42:33Z last-modified: 2020-11-17T16:06:10Z source: RIPE e-mail: gianmauro@si-tek.it route: 139.28.80.0/22 origin: AS44920 mnt-by: MNT-SITEK created: 2019-01-02T21:08:15Z last-modified: 2019-01-02T21:08:15Z source: RIPE descr: Si.TEK Informatica
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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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