2.63.0.0/17
AS12389 · PJSC Rostelecom
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inetnum: 2.63.0.0 - 2.63.127.255 netname: RU-SIBNET remarks: INFRA AW status: LIR-PARTITIONED PA descr: RU-SIBNET-NETWORKS descr: OJSC Sibirtelecom remarks: Allocation for Krasnoyarsk branch of the OJSC Sibirtelecom country: RU admin-c: HKST1-RIPE tech-c: HKST1-RIPE mnt-by: NSOELSV-NCC mnt-lower: NSOELSV-NCC mnt-domains: NSOELSV-NCC mnt-domains: AS5573-MNT mnt-routes: NSOELSV-NCC notify: lir@ncc.sibirtelecom.ru created: 2010-11-02T11:08:38Z last-modified: 2010-11-02T11:08:38Z source: RIPE abuse-email: abuse@rt.ru abuse-c: RTNC-RIPE abuse-org: ORG-JR8-RIPE person: Hostmaster KRASNET address: KRASNET Regional Telecommunications Network address: 80, Karl Marks str. address: 660049 Krasnoyarsk address: Russia phone: +7 3912 660607 fax-no: +7 3912 661465 e-mail: hostmaster@krasnet.ru nic-hdl: HKST1-RIPE notify: hostmaster@krasnet.ru mnt-by: AS5573-MNT created: 1970-01-01T00:00:00Z last-modified: 2004-12-20T03:43:45Z source: RIPE route: 2.63.0.0/17 descr: Rostelecom networks origin: AS12389 remarks: Krasnoyarsk branch mnt-by: ROSTELECOM-MNT mnt-by: NSOELSV-NCC created: 2016-09-06T10:00:00Z last-modified: 2016-09-06T10:00:00Z 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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