185.16.216.0/22
AS39921 · Rackspace Ltd.
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inetnum: 185.16.216.0 - 185.16.219.255 netname: US-ARMORDEFENSE-20130124 country: EU country: US org: ORG-FI16-RIPE admin-c: ARA139-RIPE tech-c: AN31879-RIPE status: ALLOCATED PA mnt-by: RIPE-NCC-HM-MNT mnt-by: FIREHOST-MNT mnt-routes: FIREHOST-MNT notify: noc@armor.com created: 2013-01-24T13:17:08Z last-modified: 2020-01-03T16:54:53Z source: RIPE abuse-email: ripe-abuse@armor.com abuse-c: RAF43-RIPE abuse-org: ORG-FI16-RIPE organisation: ORG-FI16-RIPE org-name: Armor Defense, Inc country: US org-type: LIR address: 268 Bath Road address: SL1 4DX address: Slough, Berkshire address: UNITED KINGDOM phone: +0018772623473 fax-no: +0014695338096 descr: FireHost, Inc. e-mail: rir@armor.com admin-c: ARA139-RIPE mnt-ref: RIPE-NCC-HM-MNT mnt-ref: FIREHOST-MNT tech-c: AR11924-RIPE mnt-by: RIPE-NCC-HM-MNT mnt-by: FIREHOST-MNT abuse-c: RAF43-RIPE created: 2011-09-26T15:40:56Z last-modified: 2020-12-16T13:19:01Z source: RIPE role: Armor NOC address: 2360 Campbell Creek Blvd Suite 525, Richardson, TX 75082 e-mail: noc@armor.com nic-hdl: AN31879-RIPE mnt-by: FIREHOST-MNT created: 2019-10-24T17:10:25Z last-modified: 2019-10-24T17:10:25Z source: RIPE role: Armor RIR Admin address: 2360 Campbell Creek Blvd Suite 525, Richardson, TX 75082 e-mail: rir@armor.com nic-hdl: ARA139-RIPE mnt-by: FIREHOST-MNT created: 2020-01-03T16:51:42Z last-modified: 2020-01-03T16:51:42Z source: RIPE route: 185.16.216.0/22 descr: Firecloud origin: AS55213 mnt-by: FIREHOST-MNT created: 2013-05-11T07:52:16Z last-modified: 2013-05-11T07:52:16Z 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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