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.
1,723
Total ranges
220
Matched clusters
Matched clusters
Open Networks Engineering SAS
Open Line BV
Open Access Data Centres (Mauritius) Ltd
OPEN PROCESSAMENTO DE DADOS LTDA
Open Networks Association
Open Air Wireless, LLC.
OPEN SYSTEM LTDA
OPEN IT SOLUTIONS EIRELI
OPEN ACCESS TECHNOLOGY INTERNATIONAL, INC.
Open Systems AG
Open Contributors Corporation for Advanced Internet Development, Inc.
Open Infra Inc.
OPEN-1
Open Access Technologies (Pty) Ltd
OPEN-E-GMBH
OPEN-EXPERIENCE-GMBH
Open Infra ISP Production International AB
OPEN-COMPUTING-LTD
Open Technology Solutions, LLC
OPEN WAY Lukasz Jankowiak
Open Joint Stock Company "Belarusian People's Bank"
Open joint-stock company "Paritetbank"
Open Life Towazystwo Ubezpieczen Zycie S.A.
Open Joint Stock Company INGOSSTRAKH Insurance Company
Open Connect Limited
Open Fibre (Pty) Ltd
Open University of Cyprus
Open Joint-Stock Company "Commerce Bank of Tajikistan"
OPEN SOLUTION S.R.L.
Open Solutions Ltd.
Open Mobile
Open Universiteit
OPEN FIBRE NETWORKS (WHOLESALE) LIMITED
OPEN-SYSTEM-CO
Open Peering
OPEN-ENGLISH-MASTER-ITALY-SRL
OPEN_MEDIA_NETWORK
Open Makers LTD Michal Zuchowski
OPEN-PROFIT-Poznan
Open_Systems_Germany_GmbH_for_GEA_Process_Engineering_AS
Open_Systems_Germany_GmbH_for_GEA_Refrigeration_Iberica_SA
OPEN-XCHANGE-HAMBURG-NET
Open Media Group LLC
Open Systems Technology Pty Ltd
Open Fibre Networks
Open GI Limited
OPEN-TEXT-INC
Open Joint-stock Company BystroBank
OPEN-ARCHITECTURE-KENT-LTD
open-education
open-culture
Open-tech
OPEN-ISP-SERVER
Open-Finance
OPEN-GRID-EUROPE-ROETHENBACH-AN-DER-PEGNIT-NET
Open_University_of_Sudan
Open-Infra-GmbH-02
Open-Infra-GB-01
Open-Infra-04
Open House Cherry S.L ohc.es
+160 more
Ranges (1,723)
showing 1–100 of 1,723 — ⬇ 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. | RIPE | ALLOCATED PA |
| 37.139.129.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 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. | BGP | ANNOUNCED |
| 37.221.120.0/22 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA |
| 38.10.83.0/24 | OPEN IT SOLUTIONS EIRELI | OPEN IT SOLUTIONS EIRELI | BGP | ANNOUNCED |
| 38.137.160.0/24 | OPEN IT SOLUTIONS EIRELI | OPEN IT SOLUTIONS EIRELI | BGP | ANNOUNCED |
| 38.137.160.0/22 | OPEN IT SOLUTIONS EIRELI | OPEN IT SOLUTIONS EIRELI | BGP | ANNOUNCED |
| 38.137.161.0/24 | OPEN IT SOLUTIONS EIRELI | OPEN IT SOLUTIONS EIRELI | BGP | ANNOUNCED |
| 38.137.162.0/24 | OPEN IT SOLUTIONS EIRELI | OPEN IT SOLUTIONS EIRELI | BGP | ANNOUNCED |
| 38.137.163.0/24 | OPEN IT SOLUTIONS EIRELI | OPEN IT SOLUTIONS EIRELI | 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. | BGP | ANNOUNCED |
| 45.8.74.0/23 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA |
| 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. | BGP | ANNOUNCED |
| 45.66.229.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA |
| 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. | BGP | ANNOUNCED |
| 45.139.100.0/22 | Open Fiber S.P.A. | Open Fiber S.P.A. | RIPE | ALLOCATED PA |
| 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. | RIPE | ALLOCATED PA |
| 45.151.88.0/24 | Open Fiber S.P.A. | Open Fiber S.P.A. | BGP | ANNOUNCED |
| 45.227.156.0/23 | OPEN IT SOLUTIONS EIRELI | OPEN IT SOLUTIONS EIRELI | BGP | ANNOUNCED |
| 45.227.156.0/24 | OPEN IT SOLUTIONS EIRELI | OPEN IT SOLUTIONS EIRELI | BGP | ANNOUNCED |
| 45.227.156.0/22 | OPEN IT SOLUTIONS EIRELI | OPEN IT SOLUTIONS EIRELI | BGP | ANNOUNCED |
| 45.227.157.0/24 | OPEN IT SOLUTIONS EIRELI | OPEN IT SOLUTIONS EIRELI | BGP | ANNOUNCED |
| 45.227.158.0/23 | OPEN IT SOLUTIONS EIRELI | OPEN IT SOLUTIONS EIRELI | BGP | ANNOUNCED |
| 45.227.158.0/24 | OPEN IT SOLUTIONS EIRELI | OPEN IT SOLUTIONS EIRELI | BGP | ANNOUNCED |
| 45.227.159.0/24 | OPEN IT SOLUTIONS EIRELI | OPEN IT SOLUTIONS EIRELI | BGP | ANNOUNCED |
| 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 |
| 64.52.14.0/24 | Open X Tecnologia Ltda | Open X Tecnologia Ltda | 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 |
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