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.
1,636
Total ranges
218
Matched clusters
Matched clusters
Open Text Corporation
Open joint-stock company "Naftan"
Open Joint Stock Company Commercial Bank "Modulbank"
Open Joint-Stock Company "Commerce Bank of Tajikistan"
OPEN SOLUTION S.R.L.
OPEN Dot Com S.p.a.
Open Air Wireless, LLC.
Open University of Cyprus
Open Joint Stock Company HLEBPROM
Open Joint Stock Company INGOSSTRAKH Insurance Company
Open Contributors Corporation for Advanced Internet Development, Inc.
OPEN ACCESS TECHNOLOGY INTERNATIONAL, INC.
Open Objects Software Ltd
OPEN-SPORTINGGOODSDSHANGHAI
Open Peering
Open Source Solutions Limited
OPEN FIBRE NETWORKS (WHOLESALE) LIMITED
OPEN-UNIVERSITY-RAANANA
OPEN_FOR_SUPPORT_NEDERLAND_BV
OPEN-SUDAN-UNI-NEW-FIBER-INTERNET
Open_University_of_Kenya
Open-techno Open-techno
OPEN_MINDED_IT_BV
Open Infra Inc.
Open Solutions Ltd.
Open Technology Solutions, LLC
Open Media Group LLC
Open Networks Engineering SAS
Open-Infra-GmbH-02
Open-Finance
Open-Network-Solution
OPEN-ISP-SERVER
OPEN HUB MED S.R.L.
Open Makers LTD Michal Zuchowski
Open Systems Technology Pty Ltd
OPEN CABLE TELECOMUNICACIONES, S.L.
OPEN_LINE_MANAGED_SERVICES_BV
OPEN-SYSTEM-CO
OPEN-THE-BAY-CENTER-ELEMENTARY-SCHOOL
Open House Cherry S.L ohc.es
Open_Systems_Germany_GmbH_for_GEA_Process_Engineering_AS
Open-Systems-Germany-GmbH-for-GEA-Lyophil-GmbH
Open Networks Association
OPEN_COMPANY_KONVEKS_NET
OPEN-COLLEGE-NETWORK-WALES---CARDIFF
OPEN-TEXT-AG-IT
OPEN-OFFICE-Ulrike-SPIESS
Open_Company_Proksimen_net
OPEN_GRID_EUROPE_GMBH1-NET
Open Eyes
Open-Net-World
OPEN_CALL
Open-View-Consultancy
OPEN-FILE-8546-LAN
OPEN-SOLUTION-CZ
OPEN-BUSINESS-EXCHANGE
Open Fibre Networks
OPEN-EXPERIENCE-GMBH
Open Media Group LLC
Open-University-LAN
+158 more
Ranges (1,636)
showing 1–100 of 1,636 — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)| CIDR | Org name | Cluster | Registry | Status |
|---|---|---|---|---|
| 2.58.93.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 2.58.94.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 2.58.136.0/23 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 2.58.138.0/23 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 2.59.248.0/22 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 2.59.248.0/22 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA |
| 5.39.55.144/30 | Open-techno Open-techno | Open-techno Open-techno | RIPE | ASSIGNED PA |
| 5.57.80.6/32 | Open Peering | Open Peering | PEERINGDB | ASSIGNED |
| 5.135.230.144/30 | Open-techno Open-techno | Open-techno Open-techno | RIPE | ASSIGNED PA |
| 5.152.186.0/24 | OPEN TEXT CORPORATION | Open Text Corporation | BGP | ANNOUNCED |
| 5.152.188.0/23 | OPEN TEXT CORPORATION | Open Text Corporation | BGP | ANNOUNCED |
| 8.21.81.0/24 | Open Contributors Corporation for Advanced Internet Development, Inc. | Open Contributors Corporation for Advanced Internet Development, Inc. | BGP | ANNOUNCED |
| 12.129.94.0/24 | Open Text Corporation | Open Text Corporation | BGP | ANNOUNCED |
| 23.128.56.0/24 | Open Infra Inc. | Open Infra Inc. | BGP | ANNOUNCED |
| 23.140.28.0/24 | Open Infra Inc. | Open Infra Inc. | BGP | ANNOUNCED |
| 31.6.62.0/24 | Open ISP cc | Open Fiber S.P.A. | RIPE | ASSIGNED PA |
| 31.13.194.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA |
| 31.13.194.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 31.13.249.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 31.13.250.0/23 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 31.13.252.0/22 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 37.49.236.68/32 | Open Peering | Open Peering | PEERINGDB | ASSIGNED |
| 37.59.192.128/30 | Open-techno Open-techno | Open-techno Open-techno | RIPE | ASSIGNED PA |
| 37.139.129.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 37.139.129.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA |
| 37.203.44.0/23 | Open Text Corporation | Open Text Corporation | BGP | ANNOUNCED |
| 37.221.120.0/22 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA |
| 37.221.120.0/22 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 38.242.160.0/21 | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | BGP | ANNOUNCED |
| 38.242.168.0/21 | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | BGP | ANNOUNCED |
| 38.242.176.0/22 | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | BGP | ANNOUNCED |
| 38.242.180.0/22 | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | BGP | ANNOUNCED |
| 38.242.184.0/22 | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | BGP | ANNOUNCED |
| 38.242.188.0/22 | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | BGP | ANNOUNCED |
| 40.27.18.0/24 | Open Infra Inc. | Open Infra Inc. | BGP | ANNOUNCED |
| 41.222.120.0/24 | Open Access Technologies (Pty) Ltd | Open Access Technologies (Pty) Ltd | BGP | ANNOUNCED |
| 41.222.121.0/24 | Open Access Technologies (Pty) Ltd | Open Access Technologies (Pty) Ltd | BGP | ANNOUNCED |
| 41.222.122.0/24 | Open Access Technologies (Pty) Ltd | Open Access Technologies (Pty) Ltd | BGP | ANNOUNCED |
| 41.222.123.0/24 | Open Access Technologies (Pty) Ltd | Open Access Technologies (Pty) Ltd | BGP | ANNOUNCED |
| 41.222.124.0/24 | Open Access Technologies (Pty) Ltd | Open Access Technologies (Pty) Ltd | BGP | ANNOUNCED |
| 41.222.125.0/24 | Open Access Technologies (Pty) Ltd | Open Access Technologies (Pty) Ltd | BGP | ANNOUNCED |
| 41.222.126.0/24 | Open Access Technologies (Pty) Ltd | Open Access Technologies (Pty) Ltd | BGP | ANNOUNCED |
| 41.222.127.0/24 | Open Access Technologies (Pty) Ltd | Open Access Technologies (Pty) Ltd | BGP | ANNOUNCED |
| 44.52.120.0/24 | Open Contributors Corporation for Advanced Internet Development, Inc. | Open Contributors Corporation for Advanced Internet Development, Inc. | BGP | ANNOUNCED |
| 45.8.74.0/23 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA |
| 45.8.74.0/23 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 45.12.248.0/22 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 45.12.248.0/22 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA |
| 45.66.229.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA |
| 45.66.229.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 45.66.232.0/23 | Open Circle AG | Open Circle AG | BGP | ANNOUNCED |
| 45.66.234.0/23 | Open Circle AG | Open Circle AG | BGP | ANNOUNCED |
| 45.68.72.146/32 | Open X Tecnologia Ltda | Open X Tecnologia Ltda | PEERINGDB | ASSIGNED |
| 45.68.72.173/32 | Open X Tecnologia Ltda | Open X Tecnologia Ltda | PEERINGDB | ASSIGNED |
| 45.68.82.116/32 | Open X Tecnologia Ltda | Open X Tecnologia Ltda | PEERINGDB | ASSIGNED |
| 45.68.92.3/32 | Open X Tecnologia Ltda | Open X Tecnologia Ltda | PEERINGDB | ASSIGNED |
| 45.81.241.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 45.81.242.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 45.132.205.0/24 | Open Joint Stock Company Commercial Bank "Modulbank" | Open Joint Stock Company Commercial Bank "Modulbank" | BGP | ANNOUNCED |
| 45.139.100.0/22 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA |
| 45.139.100.0/22 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 45.143.100.0/22 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 45.143.100.0/22 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA |
| 45.144.152.0/23 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 45.144.152.0/23 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA |
| 45.149.232.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 45.149.233.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 45.151.88.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 45.151.88.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA |
| 46.17.162.0/26 | Open Objects Software Ltd | Open Objects Software Ltd | RIPE | ASSIGNED PA |
| 46.252.0.0/24 | Open Infra ISP Production International AB | Open Infra ISP Production International AB | BGP | ANNOUNCED |
| 46.252.6.0/24 | Open Infra ltd | Open Infra Inc. | BGP | ANNOUNCED |
| 51.254.6.120/29 | Open Eyes | Open Eyes | RIPE | LEGACY |
| 54.37.134.136/29 | Open Makers LTD Michal Zuchowski | Open Makers LTD Michal Zuchowski | RIPE | LEGACY |
| 54.38.142.88/30 | Open Makers LTD Michal Zuchowski | Open Makers LTD Michal Zuchowski | RIPE | LEGACY |
| 61.153.59.180/30 | OPEN-THE-BAY-CENTER-ELEMENTARY-SCHOOL | OPEN-THE-BAY-CENTER-ELEMENTARY-SCHOOL | APNIC | ASSIGNED NON-PORTABLE |
| 62.69.146.13/32 | Open Peering | Open Peering | PEERINGDB | ASSIGNED |
| 63.81.108.0/23 | OPEN ACCESS TECHNOLOGY INTERNATIONAL, INC. | OPEN ACCESS TECHNOLOGY INTERNATIONAL, INC. | BGP | ANNOUNCED |
| 63.111.64.0/24 | Open Text Corporation | Open Text Corporation | BGP | ANNOUNCED |
| 64.14.228.0/24 | Open Text Corporation | Open Text Corporation | BGP | ANNOUNCED |
| 64.37.196.0/24 | Open Text Corporation | Open Text Corporation | BGP | ANNOUNCED |
| 64.37.204.0/24 | Open Text Corporation | Open Text Corporation | BGP | ANNOUNCED |
| 64.37.210.0/24 | Open Text Corporation | Open Text Corporation | BGP | ANNOUNCED |
| 64.62.192.0/24 | Open Infra Inc. | Open Infra Inc. | BGP | ANNOUNCED |
| 64.78.158.0/24 | Open Technology Solutions, LLC | Open Technology Solutions, LLC | BGP | ANNOUNCED |
| 64.191.232.35/32 | Open X Tecnologia Ltda | Open X Tecnologia Ltda | PEERINGDB | ASSIGNED |
| 64.191.233.10/32 | Open X Tecnologia Ltda | Open X Tecnologia Ltda | PEERINGDB | ASSIGNED |
| 65.207.145.0/24 | Open Text Corporation | Open Text Corporation | BGP | ANNOUNCED |
| 66.35.53.0/24 | Open Text Inc. | Open Text Corporation | ARIN | |
| 66.54.164.0/24 | Open Text Corporation | Open Text Corporation | BGP | ANNOUNCED |
| 66.159.106.0/24 | Open Text Corporation | Open Text Corporation | BGP | ANNOUNCED |
| 66.159.107.0/24 | Open Text Corporation | Open Text Corporation | BGP | ANNOUNCED |
| 67.202.160.0/20 | Open Text Corporation | Open Text Corporation | BGP | ANNOUNCED |
| 67.202.166.0/24 | Open Text Corporation | Open Text Corporation | BGP | ANNOUNCED |
| 67.202.167.0/24 | Open Text Corporation | Open Text Corporation | BGP | ANNOUNCED |
| 67.202.168.0/24 | Open Text Corporation | Open Text Corporation | BGP | ANNOUNCED |
| 67.202.172.0/24 | Open Text Corporation | Open Text Corporation | BGP | ANNOUNCED |
| 67.215.108.0/24 | Open Mobile | Open Mobile | ARIN | |
| 74.63.150.0/24 | Open Technology Solutions, LLC | Open Technology Solutions, LLC | BGP | ANNOUNCED |
| 74.209.169.0/24 | OPEN WAY JANKOWIAK sp. z o.o. | OPEN WAY JANKOWIAK sp. z o.o. | RIPE | ASSIGNED PI |
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