Open
Aggregated across every cluster whose name starts with "Open" — a single company can be split across many separate clusters (per-datacenter, per-country, or per-subsidiary naming), so this view sums the true total rather than understating it with a single cluster's count.
1,497
Total ranges
226
Matched clusters
Matched clusters
Open Systems AG
Open Peering
OPEN-SUDAN-UNI-NEW-FIBER-INTERNET
Open_University_of_Kenya
Open Solutions Ltd.
Open-Finance
Open Joint-stock Company BystroBank
OPEN SOLUTION S.R.L.
OPEN_LINE_MANAGED_SERVICES_BV
OPEN_MINDED_IT_BV
Open Spaces Internet Pty Ltd
OPEN-ISP-SERVER
OPEN_FOR_SUPPORT_NEDERLAND_BV
Open Wi-Fi Ltd
Open Text Corporation
OPEN-EXPERIENCE-GMBH
Open-Infra-GmbH-02
Open-Infra-GB-01
Open-Infra-04
OPEN-PROFIT-Poznan
Open Link Communications
Open_University_of_Sudan
open-education
open-culture
open-con
Open-tech
Open Mobile
Open Access Data Centres (Mauritius) Ltd
OPEN FIBRE NETWORKS (WHOLESALE) LIMITED
OPEN ACCESS TECHNOLOGY INTERNATIONAL, INC.
OPEN CABLE TELECOMUNICACIONES, S.L.
Open Line BV
Open Air Wireless, LLC.
Open Joint Stock Company Commercial Bank "Modulbank"
Open Networks Engineering SAS
OPEN Dot Com S.p.a.
Open Infra Inc.
Open Contributors Corporation for Advanced Internet Development, Inc.
Open Infra ISP Production International AB
Open Technology Solutions, LLC
OPEN WAY Lukasz Jankowiak
Open Life Towazystwo Ubezpieczen Zycie S.A.
Open Joint Stock Company INGOSSTRAKH Insurance Company
Open Networks Association
Open Joint Stock Company 'Minsk Tractor Works'
Open Media Group LLC
Open joint-stock company "Naftan"
Open Joint Stock Company HLEBPROM
Open-techno Open-techno
OPEN-SYSTEMS-AG-CELANESE-INTERNATIONAL-CORP
Open X Tecnologia Ltda
Open Fibre Networks
OPEN-MX
OPEN-SERVICE-di-MARTELLI-STEFANIA
OPEN PROCESSAMENTO DE DADOS LTDA
OPEN-ENGLISH-MASTER-ITALY-SRL
OPEN-RADIO
OPEN-BOX-NET-1
OPEN-SOURCERERS-LTD
OPEN-WIDE
+166 more
Ranges (1,497)
showing 1–100 of 1,497 — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)| CIDR | Org name | Cluster | Registry | Status | Confidence |
|---|---|---|---|---|---|
| 1.179.149.20/30 | Open-face | Open-face | APNIC | ASSIGNED NON-PORTABLE | ● medium |
| 2.58.93.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED | ● high |
| 2.58.93.0 – 2.58.94.255 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA | ● low |
| 2.58.94.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED | ● high |
| 2.58.136.0/22 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA | ● low |
| 2.58.136.0/23 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED | ● high |
| 2.58.138.0/23 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED | ● high |
| 2.59.248.0/22 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA | ● high |
| 5.39.55.144/30 | Open-techno Open-techno | Open-techno Open-techno | RIPE | ASSIGNED PA | ● high |
| 5.57.80.6/32 | Open Peering | Open Peering | PEERINGDB | ASSIGNED | ● high |
| 5.135.230.144/30 | Open-techno Open-techno | Open-techno Open-techno | RIPE | ASSIGNED PA | ● high |
| 5.152.186.0/24 | OPEN TEXT CORPORATION | Open Text Corporation | BGP | ANNOUNCED | ● high |
| 5.152.188.0/23 | OPEN TEXT CORPORATION | Open Text Corporation | BGP | ANNOUNCED | ● high |
| 8.21.81.0/24 | Open Contributors Corporation for Advanced Internet Development, Inc. | Open Contributors Corporation for Advanced Internet Development, Inc. | BGP | ANNOUNCED | ● high |
| 12.129.94.0/24 | Open Text Corporation | Open Text Corporation | BGP | ANNOUNCED | ● high |
| 23.128.56.0/24 | Open Infra Inc. | Open Infra Inc. | BGP | ANNOUNCED | ● high |
| 23.140.28.0/24 | Open Infra Inc. | Open Infra Inc. | BGP | ANNOUNCED | ● high |
| 31.6.62.0/24 | Open ISP cc | Open ISP cc | RIPE | ASSIGNED PA | ● high |
| 31.13.194.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED | ● high |
| 31.13.249.0 – 31.13.255.255 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA | ● low |
| 31.13.249.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED | ● high |
| 31.13.250.0/23 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED | ● high |
| 31.13.252.0/22 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED | ● high |
| 31.221.33.192/27 | OPEN-SOCIETY-FOUNDATION-NETID11495 | OPEN-SOCIETY-FOUNDATION-NETID11495 | RIPE | ASSIGNED PA | ● medium |
| 37.49.236.68/32 | Open Peering | Open Peering | PEERINGDB | ASSIGNED | ● high |
| 37.59.192.128/30 | Open-techno Open-techno | Open-techno Open-techno | RIPE | ASSIGNED PA | ● high |
| 37.71.185.208/29 | OPEN-2-EUROPE_M4342-00001-002 | OPEN-2-EUROPE_M4342-00001-002 | RIPE | ASSIGNED PA | ● medium |
| 37.128.87.120/30 | Open-Finance | Open-Finance | RIPE | ASSIGNED PA | ● low |
| 37.139.129.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED | ● high |
| 37.203.44.0/23 | Open Text Corporation | Open Text Corporation | BGP | ANNOUNCED | ● high |
| 37.221.120.0/22 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED | ● high |
| 38.242.160.0/21 | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | BGP | ANNOUNCED | ● high |
| 38.242.168.0/21 | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | BGP | ANNOUNCED | ● high |
| 38.242.176.0/22 | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | BGP | ANNOUNCED | ● high |
| 38.242.180.0/22 | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | BGP | ANNOUNCED | ● high |
| 38.242.184.0/22 | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | BGP | ANNOUNCED | ● high |
| 38.242.188.0/22 | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | BGP | ANNOUNCED | ● high |
| 40.27.18.0/24 | Open Infra Inc. | Open Infra Inc. | BGP | ANNOUNCED | ● high |
| 41.57.20.0/23 | Open_SCR | Open_SCR | AFRINIC | ASSIGNED PA | ● medium |
| 41.67.3.0/24 | Open_University_of_Sudan | Open_University_of_Sudan | AFRINIC | ASSIGNED PA | ● low |
| 41.222.120.0/24 | Open Access Technologies (Pty) Ltd | Open Access Technologies (Pty) Ltd | BGP | ANNOUNCED | ● high |
| 41.222.120.0/21 | Open Access Technologies (Pty) Ltd | Open Access Technologies (Pty) Ltd | AFRINIC | ALLOCATED PA | ● low |
| 41.222.121.0/24 | Open Access Technologies (Pty) Ltd | Open Access Technologies (Pty) Ltd | BGP | ANNOUNCED | ● high |
| 41.222.122.0/24 | Open Access Technologies (Pty) Ltd | Open Access Technologies (Pty) Ltd | BGP | ANNOUNCED | ● high |
| 41.222.123.0/24 | Open Access Technologies (Pty) Ltd | Open Access Technologies (Pty) Ltd | BGP | ANNOUNCED | ● high |
| 41.222.124.0/24 | Open Access Technologies (Pty) Ltd | Open Access Technologies (Pty) Ltd | BGP | ANNOUNCED | ● high |
| 41.222.125.0/24 | Open Access Technologies (Pty) Ltd | Open Access Technologies (Pty) Ltd | BGP | ANNOUNCED | ● high |
| 41.222.126.0/24 | Open Access Technologies (Pty) Ltd | Open Access Technologies (Pty) Ltd | BGP | ANNOUNCED | ● high |
| 41.222.127.0/24 | Open Access Technologies (Pty) Ltd | Open Access Technologies (Pty) Ltd | BGP | ANNOUNCED | ● high |
| 44.52.120.0/24 | Open Contributors Corporation for Advanced Internet Development, Inc. | Open Contributors Corporation for Advanced Internet Development, Inc. | BGP | ANNOUNCED | ● high |
| 45.8.74.0/23 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA | ● high |
| 45.12.248.0/22 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED | ● high |
| 45.66.229.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA | ● high |
| 45.66.232.0/22 | Open Circle AG | Open Circle AG | RIPE | ALLOCATED PA | ● low |
| 45.66.232.0/23 | Open Circle AG | Open Circle AG | BGP | ANNOUNCED | ● high |
| 45.66.232.0/24 | OPEN-CIRCLE-LPG1-NET | OPEN-CIRCLE-LPG1-NET | RIPE | ASSIGNED PA | ● low |
| 45.66.233.0/24 | OPEN-CIRCLE-LPG1-NET | OPEN-CIRCLE-LPG1-NET | RIPE | ASSIGNED PA | ● low |
| 45.66.234.0/23 | Open Circle AG | Open Circle AG | BGP | ANNOUNCED | ● high |
| 45.66.234.0/24 | OPEN-CIRCLE-RMA1-NET | OPEN-CIRCLE-RMA1-NET | RIPE | ASSIGNED PA | ● low |
| 45.66.235.0/24 | OPEN-CIRCLE-RMA1-NET | OPEN-CIRCLE-RMA1-NET | RIPE | ASSIGNED PA | ● low |
| 45.68.72.146/32 | Open X Tecnologia Ltda | Open X Tecnologia Ltda | PEERINGDB | ASSIGNED | ● high |
| 45.68.72.173/32 | Open X Tecnologia Ltda | Open X Tecnologia Ltda | PEERINGDB | ASSIGNED | ● high |
| 45.68.82.116/32 | Open X Tecnologia Ltda | Open X Tecnologia Ltda | PEERINGDB | ASSIGNED | ● high |
| 45.68.92.3/32 | Open X Tecnologia Ltda | Open X Tecnologia Ltda | PEERINGDB | ASSIGNED | ● high |
| 45.81.241.0 – 45.81.242.255 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA | ● low |
| 45.81.241.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED | ● high |
| 45.81.242.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED | ● high |
| 45.94.72.0/22 | Open Wi-Fi Ltd | Open Wi-Fi Ltd | RIPE | ALLOCATED PA | ● low |
| 45.132.205.0/24 | Open Joint Stock Company Commercial Bank "Modulbank" | Open Joint Stock Company Commercial Bank "Modulbank" | BGP | ANNOUNCED | ● high |
| 45.139.100.0/22 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA | ● high |
| 45.143.100.0/22 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA | ● high |
| 45.144.152.0/23 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA | ● high |
| 45.149.232.0/23 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA | ● low |
| 45.149.232.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED | ● high |
| 45.149.233.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED | ● high |
| 45.151.88.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA | ● high |
| 46.17.162.0/26 | Open Objects Software Ltd | Open Objects Software Ltd | RIPE | ASSIGNED PA | ● high |
| 46.28.33.0/24 | open-gelsen-cloud-net | open-gelsen-cloud-net | RIPE | ASSIGNED PA | ● medium |
| 46.252.0.0/24 | Open Infra ISP Production International AB | Open Infra ISP Production International AB | BGP | ANNOUNCED | ● high |
| 46.252.1.0/24 | Open Infra ISP Production International AB | Open Infra ISP Production International AB | RIPE | ASSIGNED PA | ● low |
| 46.252.3.0/24 | Open Infra ISP Production International AB | Open Infra ISP Production International AB | RIPE | ASSIGNED PA | ● low |
| 46.252.4.0/24 | Open Infra ISP Production International AB | Open Infra ISP Production International AB | RIPE | ASSIGNED PA | ● low |
| 46.252.5.0/24 | Open Infra ISP Production International AB | Open Infra ISP Production International AB | RIPE | ASSIGNED PA | ● low |
| 46.252.6.0/24 | Open Infra ltd | Open Infra Inc. | BGP | ANNOUNCED | ● high |
| 51.254.6.120/29 | Open Eyes | Open Eyes | RIPE | LEGACY | ● high |
| 54.37.134.136/29 | Open Makers LTD Michal Zuchowski | Open Makers LTD Michal Zuchowski | RIPE | LEGACY | ● high |
| 54.38.142.88/30 | Open Makers LTD Michal Zuchowski | Open Makers LTD Michal Zuchowski | RIPE | LEGACY | ● high |
| 61.153.59.180/30 | OPEN-THE-BAY-CENTER-ELEMENTARY-SCHOOL | OPEN-THE-BAY-CENTER-ELEMENTARY-SCHOOL | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 62.1.97.8/29 | OPEN-TECHNOLOGIES-FOR-BUSINESS-PC | OPEN-TECHNOLOGIES-FOR-BUSINESS-PC | RIPE | ASSIGNED PA | ● medium |
| 62.28.13.16/28 | OPEN-NET | OPEN | RIPE | ASSIGNED PA | ● low |
| 62.63.121.48/28 | Open-media-Net | Open Media Group LLC | RIPE | ASSIGNED PA | ● low |
| 62.67.2.80/29 | Open-Systems-Germany-GmbH | Open-Systems-Germany-GmbH | RIPE | ASSIGNED PA | ● low |
| 62.67.2.88/29 | Open-Systems-Germany-GmbH | Open-Systems-Germany-GmbH | RIPE | ASSIGNED PA | ● low |
| 62.67.15.232/29 | Open-Systems-Asset-Management-AG | Open-Systems-Asset-Management-AG | RIPE | ASSIGNED PA | ● low |
| 62.67.29.32/29 | Open_Systems_Germany_GmbH | Open-Systems-Germany-GmbH | RIPE | ASSIGNED PA | ● low |
| 62.67.29.40/29 | Open_Systems_Germany_GmbH | Open-Systems-Germany-GmbH | RIPE | ASSIGNED PA | ● low |
| 62.67.29.96/29 | Open_Systems_Germany_GmbH | Open-Systems-Germany-GmbH | RIPE | ASSIGNED PA | ● low |
| 62.67.29.136/29 | Open-Systems | Open Systems AG | RIPE | ASSIGNED PA | ● low |
| 62.67.29.144/29 | Open-Systems | Open Systems AG | RIPE | ASSIGNED PA | ● low |
| 62.67.46.0/28 | Open_Systems_Germany_GmbH_for_GEA_Farm_Technologies_GmbH | Open_Systems_Germany_GmbH_for_GEA_Farm_Technologies_GmbH | RIPE | ASSIGNED PA | ● low |
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Uses the REST API.