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Whois Details
inetnum: 5.165.208.0 - 5.165.215.255 netname: ERTH-TOMSK-PPPOE-4-NET descr: CJSC "ER-Telecom Holding" Tomsk branch descr: Tomsk, Russia descr: PPPoE individual customers country: RU admin-c: ERTH70-RIPE org: ORG-CHTB3-RIPE tech-c: ERTH70-RIPE status: ASSIGNED PA mnt-by: RAID-MNT remarks: INFRA-AW created: 2012-08-06T04:45:01Z last-modified: 2012-08-06T04:45:01Z source: RIPE organisation: ORG-CHTB3-RIPE org-name: JSC "ER-Telecom Holding" Tomsk Branch org-type: OTHER descr: TM DOM.RU, Tomsk ISP address: shosse Kosmonavtov, 111 address: 614099 Perm' address: Russian Federation phone: +7 342 2462 367 fax-no: +7 342 2195 104 e-mail: ripe@ertelecom.ru admin-c: ERTH70-RIPE tech-c: ERTH70-RIPE ref-nfy: ripe@ertelecom.ru mnt-ref: RAID-MNT notify: ripe@ertelecom.ru mnt-by: RAID-MNT created: 2011-06-16T11:29:55Z last-modified: 2016-01-11T11:46:43Z source: RIPE role: Network Operation Center CJSC ER-Telecom Holding Tomsk branch address: CJSC "ER-Telecom Holding" Tomsk branch address: shosse Kosmonavtov, 111 address: 614099 Perm' address: Russian Federation phone: +7 342 2 195 100 fax-no: +7 342 2 195 100 e-mail: noc@tomsk.ertelecom.ru abuse-mailbox: noc@tomsk.ertelecom.ru admin-c: RAID1-RIPE tech-c: RAID1-RIPE nic-hdl: ERTH70-RIPE notify: ripe@ertelecom.ru created: 2011-06-16T11:23:49Z last-modified: 2011-06-16T11:23:49Z source: RIPE mnt-by: RAID-MNT route: 5.165.208.0/21 origin: AS56981 org: ORG-CHTB3-RIPE descr: CJSC "ER-Telecom Holding" Tomsk branch descr: Tomsk, Russia notify: ripe@ertelecom.ru mnt-by: RAID-MNT created: 2012-12-06T06:02:26Z last-modified: 2012-12-06T06:02:26Z source: RIPE organisation: ORG-CHTB3-RIPE org-name: JSC "ER-Telecom Holding" Tomsk Branch org-type: OTHER descr: TM DOM.RU, Tomsk ISP address: shosse Kosmonavtov, 111 address: 614099 Perm' address: Russian Federation phone: +7 342 2462 367 fax-no: +7 342 2195 104 e-mail: ripe@ertelecom.ru admin-c: ERTH70-RIPE tech-c: ERTH70-RIPE ref-nfy: ripe@ertelecom.ru mnt-ref: RAID-MNT notify: ripe@ertelecom.ru mnt-by: RAID-MNT created: 2011-06-16T11:29:55Z last-modified: 2016-01-11T11:46:43Z source: RIPE
IP address subranges within this IP range
Details
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.