193.11.3.0/24
AS2603 · NORDUnet
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inetnum: 193.11.3.0 - 193.11.3.255 netname: NORDUNET-SUNET-NOC descr: New combined NORDUnet/SUNET NOC network country: SE admin-c: BJN1-RIPE tech-c: PNI2-RIPE tech-c: HE15 status: ASSIGNED PA notify: noc@nordu.net mnt-by: NORDUNET-MNT mnt-lower: NORDUNET-MNT mnt-domains: NORDUNET-MNT mnt-routes: NORDUNET-MNT created: 2007-01-17T10:12:17Z last-modified: 2007-01-17T10:12:17Z source: RIPE abuse-email: abuse@sunet.se abuse-c: AR55476-RIPE abuse-org: ORG-SA58-RIPE person: Borje Josefsson address: SUNET address: Tulegatan 11 address: S-11353 Stockholm address: Sweden phone: +46 90 2059123 e-mail: bj@sunet.se mnt-by: SUNET-MNT nic-hdl: BJN1-RIPE created: 1970-01-01T00:00:00Z last-modified: 2014-02-21T09:20:10Z source: RIPE person: Havard Eidnes address: Uninett AS address: N-7465 Trondheim address: Norway phone: +47 73 55 79 35 fax-no: +47 73 55 79 01 e-mail: he@uninett.no org: ORG-UA17-RIPE nic-hdl: HE15 notify: ripe-notify@uninett.no mnt-by: UNINETT-MNT created: 2001-12-12T17:02:07Z last-modified: 2020-06-03T08:54:33Z source: RIPE person: Per Nihlen address: NORDUnet A/S address: S-113 53 STOCKHOLM address: Sweden phone: +46 8 441 88 10 fax-no: +46 8 20 78 60 e-mail: per@nordu.net e-mail: per@sunet.se nic-hdl: PNI2-RIPE notify: per@nordu.net mnt-by: NORDUNET-MNT created: 2002-01-23T14:58:23Z last-modified: 2007-04-05T08:32:15Z source: RIPE route: 193.11.3.0/24 descr: NORDUnet/SUNET NOC origin: AS2603 mnt-by: NORDUNET-MNT created: 2007-01-17T22:46:06Z last-modified: 2011-04-22T09:48:25Z 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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