80.91.48.0/21
AS35130 · REGISTER S.P.A.
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WHOIS Details
inetnum: 80.91.48.0 - 80.91.63.255 netname: IT-SFERANET-20050608 country: IT org: ORG-SNs4-RIPE status: ALLOCATED PA mnt-by: RIPE-NCC-HM-MNT mnt-by: MNT-SFERA mnt-routes: MNT-SFERA mnt-domains: MNT-SFERA admin-c: SA40070-RIPE admin-c: REGA-ripe tech-c: SN8834-RIPE tech-c: REGT-RIPE created: 2005-06-08T11:34:59Z last-modified: 2020-12-29T13:43:45Z source: RIPE abuse-email: abuse@register.it abuse-c: SS24519-RIPE abuse-org: ORG-SNs4-RIPE organisation: ORG-SNS4-RIPE org-name: REGISTER S.P.A. country: IT org-type: LIR address: Viale della Giovine Italia, 17 address: I-50122 address: Firenze address: ITALY phone: +39035203397 fax-no: +390354372549 e-mail: info@sfera.net mnt-ref: MNT-SFERA mnt-ref: RIPE-NCC-HM-MNT mnt-by: RIPE-NCC-HM-MNT mnt-by: MNT-SFERA admin-c: GD1065-RIPE admin-c: REGA-ripe tech-c: REGT-RIPE abuse-c: SS24519-RIPE created: 2005-06-07T10:11:04Z last-modified: 2020-12-29T13:39:18Z source: RIPE role: Register.it board - Direzione address: Register.IT S.p.A. address: Via Ponti, 6 address: 24126 Bergamo address: ITALY abuse-mailbox: abuse@register.it e-mail: ripe@dada.eu admin-c: CORB3-RIPE admin-c: CV4237-RIPE admin-c: GOR15-RIPE tech-c: REGT-RIPE nic-hdl: REGA-ripe mnt-by: MNT-REGISTER created: 2006-04-03T16:31:22Z last-modified: 2021-11-24T14:37:52Z source: RIPE role: register.it sistemisti address: Register.IT S.p.A. - Gruppo Sistemi address: Viale della Giovine Italia, 17 address: 50122 Firenze address: ITALY abuse-mailbox: abuse@register.it e-mail: support@register.it admin-c: REGA-RIPE tech-c: PERN1-RIPE tech-c: PERI55-RIPE tech-c: MILO2-RIPE tech-c: TV2675-RIPE tech-c: FM20996-RIPE tech-c: CF8179-RIPE nic-hdl: REGT-RIPE mnt-by: MNT-REGISTER created: 2006-04-03T16:40:50Z last-modified: 2018-10-16T06:48:19Z source: RIPE role: Sfera.net Admin address: SFERA NETWORKS S.R.L. nic-hdl: SA40070-RIPE mnt-by: MNT-SFERA created: 2020-01-27T16:01:02Z last-modified: 2020-01-27T16:10:47Z source: RIPE remarks: ******************************************** remarks: ** for Spam & Net abuse: abuse@sfera.net. ** remarks: ******************************************** e-mail: info@sfera.net phone: +39 035203397 fax-no: +39 0354372549 role: Sfera.net NOC address: SFERA NETWORKS S.R.L. nic-hdl: SN8834-RIPE mnt-by: MNT-SFERA created: 2020-01-27T15:59:17Z last-modified: 2020-01-27T16:11:12Z source: RIPE remarks: ******************************************** remarks: ** for Spam & Net abuse: abuse@sfera.net. ** remarks: ******************************************** e-mail: info@sfera.net phone: +39 035203397 fax-no: +39 0354372549
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IP address subranges within this IP range
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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