88.83.160.0/19
AS5610 · O2 Czech Republic, a.s.
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inetnum: 88.83.160.0 - 88.83.191.255 netname: CZ-CZNET-20060109 country: CZ org: ORG-STaN1-RIPE admin-c: CZO2-RIPE admin-c: VAKO1-RIPE tech-c: CZO2-RIPE tech-c: VAKO1-RIPE status: ALLOCATED PA notify: reg@telecom.cz mnt-by: RIPE-NCC-HM-MNT mnt-by: AS5610-MTN mnt-lower: AS5610-MTN mnt-routes: AS5610-MTN mnt-domains: AS5610-MTN created: 2017-11-14T08:41:09Z last-modified: 2018-12-18T08:18:25Z source: RIPE abuse-email: abuse@o2.cz abuse-c: AR14410-RIPE abuse-org: ORG-STaN1-RIPE organisation: ORG-STaN1-RIPE org-name: O2 Czech Republic, a.s. country: CZ org-type: LIR address: Za Brumlovkou 266/2 address: 140 22 address: Praha 4 - Michle address: CZECH REPUBLIC phone: +420 2 71466184 fax-no: +420 2 71464414 e-mail: marek.vogel@o2.cz admin-c: VAKO1-RIPE admin-c: MV96-RIPE admin-c: HVJI1-RIPE tech-c: CZO2-RIPE abuse-c: AR14410-RIPE mnt-ref: RIPE-NCC-HM-MNT mnt-ref: AS5610-MTN mnt-by: RIPE-NCC-HM-MNT mnt-by: AS5610-MTN created: 2004-04-17T11:04:17Z last-modified: 2020-12-16T12:31:56Z source: RIPE role: 5610-Tech-and-Admin address: Za Brumlovkou 266/2 address: Praha 4 - Michle, PSC 140 22 e-mail: router@o2.cz nic-hdl: CZO2-RIPE admin-c: VAKO1-RIPE admin-c: MV96-RIPE admin-c: HVJI1-RIPE tech-c: VAKO1-RIPE tech-c: HVJI1-RIPE abuse-mailbox: abuse@o2.cz org: ORG-STaN1-RIPE mnt-by: AS5610-MTN created: 2016-02-18T09:58:30Z last-modified: 2018-04-20T10:44:21Z source: RIPE person: Vaclav Kordula address: O2 Czech Republic, a.s. address: Za Brumlovkou 266/2 address: Praha 4 - Michle, PS? 140 22 address: Czech Republic phone: +420 2 714668845 e-mail: vaclav.kordula@o2.cz nic-hdl: VAKO1-RIPE notify: vaclav.kordula@o2.cz mnt-by: AS5610-MTN created: 1970-01-01T00:00:00Z last-modified: 2016-02-12T13:32:30Z source: RIPE route: 88.83.160.0/19 descr: O2 InternetHome TermsNet origin: AS5610 mnt-by: AS5610-MTN created: 2016-11-15T14:14:33Z last-modified: 2016-11-15T14:14:33Z 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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