109.105.96.0/20
AS2603 · NORDUnet
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inetnum: 109.105.96.0 - 109.105.127.255 netname: DK-NORDUNET-20090915 country: DK org: ORG-NA47-RIPE admin-c: NN126-RIPE tech-c: NN126-RIPE status: ALLOCATED PA mnt-by: RIPE-NCC-HM-MNT mnt-by: NORDUNET-MNT mnt-routes: NORDUNET-MNT mnt-domains: NORDUNET-MNT notify: ripe-notify@nordu.net created: 2009-09-15T12:47:37Z last-modified: 2019-05-21T14:17:21Z source: RIPE abuse-email: abuse@nordu.net abuse-c: NUN6-RIPE abuse-org: ORG-NA47-RIPE organisation: ORG-NA47-RIPE org-name: NORDUnet country: DK org-type: LIR address: Kastruplundgade 22 address: DK-2770 address: Kastrup address: DENMARK phone: +4532462500 fax-no: +4545762366 e-mail: lir@nordu.net mnt-ref: RIPE-NCC-HM-MNT mnt-ref: NORDUNET-MNT mnt-by: RIPE-NCC-HM-MNT mnt-by: NORDUNET-MNT admin-c: NAC47-RIPE tech-c: NTC20-RIPE abuse-c: NUN6-RIPE created: 2004-04-17T12:04:15Z last-modified: 2020-12-16T12:53:20Z source: RIPE role: NORDUnet NOC address: NUNOC address: Tulegatan 11 address: SE-113 53 Stockholm address: Sweden phone: +46 8 207 860 fax-no: +46 8 207 866 e-mail: 247@nordu.net admin-c: NUN6-RIPE tech-c: NUN6-RIPE nic-hdl: NN126-RIPE mnt-by: NORDUNET-MNT created: 2001-12-12T16:43:26Z last-modified: 2007-10-02T15:04:50Z source: RIPE route: 109.105.96.0/20 descr: NORDUNET-CORE origin: AS2603 mnt-by: NORDUNET-MNT created: 2010-03-17T13:56:21Z last-modified: 2010-03-17T13:56:21Z 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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