Data as of Nov 3, 2026
Autonomous system
AS16417
Cisco Systems Ironport Division
Announces 29,952 addresses in 107 prefixes. None of it is anonymizer space.
Type
Business
US
Announced prefixes
| Prefix | Type | Leased from | Holder | RPKI |
|---|---|---|---|---|
| 23.90.96.0/24 since May 2020 | Business | |||
| 23.90.97.0/24 since Oct 2020 | Business | |||
| 23.90.98.0/24 since Jul 2020 | Business | |||
| 23.90.99.0/24 since Jul 2020 | Business | |||
| 23.90.100.0/24 since Jul 2020 | Business | |||
| 23.90.101.0/24 since Nov 2020 | Business | |||
| 23.90.103.0/24 since Nov 2020 | Business | |||
| 23.90.112.0/24 since Jan 2021 | Business | |||
| 23.90.113.0/24 since Jul 2021 | Business | |||
| 23.90.121.0/24 since Jul 2021 | Business | |||
| 23.90.124.0/24 since Jan 2022 | Business | |||
| 23.90.125.0/24 since Jan 2022 | Business | |||
| 23.90.126.0/24 since Jan 2022 | Business | |||
| 23.90.127.0/24 since Jan 2022 | Business | |||
| 63.251.108.0/24 since Feb 2012 | Business | Unitas Global | ||
| 68.232.128.0/22 since Apr 2011 | Business | |||
| 68.232.129.0/24 since Jul 2025 | Business | |||
| 68.232.130.0/24 since Jul 2025 | Business | |||
| 68.232.134.0/23 since Apr 2011 | Business | |||
| 68.232.136.0/24 since May 2011 | Business | |||
| 68.232.137.0/24 since Feb 2012 | Business | |||
| 68.232.140.0/24 since Oct 2012 | Business | |||
| 68.232.141.0/24 since Jun 2013 | Business | |||
| 68.232.142.0/24 since Jun 2013 | Business | |||
| 68.232.143.0/24 since May 2013 | Business | |||
| 68.232.144.0/24 since Feb 2014 | Business | |||
| 68.232.145.0/24 since Aug 2016 | Business | |||
| 68.232.146.0/23 since Sep 2014 | Business | |||
| 68.232.146.0/24 since Apr 2017 | Business | |||
| 68.232.147.0/24 since Apr 2017 | Business | |||
| 68.232.148.0/23 since Sep 2014 | Business | |||
| 68.232.153.0/24 since Mar 2016 | Business | |||
| 68.232.154.0/24 since Mar 2016 | Business | |||
| 68.232.155.0/24 since May 2016 | Business | |||
| 68.232.157.0/24 since Sep 2016 | Business | |||
| 68.232.158.0/24 since Aug 2016 | Business | |||
| 72.5.10.0/23 since Aug 2005 | Business | IP broker IPv4.Global | PF IPV4 Borrower, LLC | |
| 74.201.90.0/23 since May 2011 | Business | IP broker IPv4.Global | PF IPV4 Borrower, LLC | |
| 74.201.116.0/24 since May 2011 | Business | IP broker IPv4.Global | PF IPV4 Borrower, LLC | |
| 139.138.24.0/24 since Jun 2018 | Business | |||
| 139.138.25.0/24 since Jun 2018 | Business | |||
| 139.138.26.0/24 since Aug 2018 | Business | |||
| 139.138.27.0/24 since Oct 2019 | Business | |||
| 139.138.32.0/24 since Aug 2018 | Business | |||
| 139.138.33.0/24 since Aug 2018 | Business | |||
| 139.138.34.0/24 since Aug 2018 | Business | |||
| 139.138.35.0/24 since Aug 2018 | Business | |||
| 139.138.38.0/24 since Nov 2018 | Business | |||
| 139.138.39.0/24 since Nov 2018 | Business | |||
| 139.138.40.0/24 since Nov 2018 | Business | |||
| 139.138.41.0/24 since Nov 2018 | Business | |||
| 139.138.46.0/24 since Apr 2019 | Business | |||
| 139.138.47.0/24 since Apr 2019 | Business | |||
| 139.138.56.0/24 since Aug 2018 | Business | |||
| 139.138.57.0/24 since Aug 2018 | Business | |||
| 139.138.58.0/24 since Aug 2018 | Business | |||
| 139.138.59.0/24 since Aug 2018 | Business | |||
| 184.94.240.0/24 since Mar 2012 | Business | |||
| 184.94.241.0/24 since Jul 2012 | Business | |||
| 184.94.248.0/22 since Dec 2011 | Business | |||
| 184.94.248.0/24 since Mar 2016 | Business | |||
| 184.94.254.0/24 since Dec 2011 | Business | |||
| 194.165.195.0/24 since Jul 2022 | Business | Cisco Systems, Inc. | ||
| 194.165.196.0/24 since Aug 2022 | Business | Cisco Systems, Inc. | ||
| 194.165.211.0/24 since Nov 2023 | Business | Cisco Systems, Inc. | ||
| 194.165.212.0/24 since Nov 2023 | Business | Cisco Systems, Inc. | ||
| 204.15.80.0/24 since Nov 2024 | Business | |||
| 207.54.73.0/24 since Jun 2020 | Business | |||
| 207.54.74.0/24 since Jul 2020 | Business | |||
| 207.54.80.0/24 since Jan 2020 | Business | |||
| 207.54.81.0/24 since Jan 2020 | Business | |||
| 207.54.82.0/24 since Feb 2020 | Business | |||
| 207.54.84.0/24 since Jun 2019 | Business | |||
| 207.54.85.0/24 since Jun 2019 | Business | |||
| 207.54.86.0/24 since Jun 2019 | Business | |||
| 207.54.87.0/24 since Jun 2019 | Business | |||
| 207.54.92.0/24 since May 2019 | Business | |||
| 207.54.93.0/24 since May 2019 | Business | |||
| 207.54.94.0/24 since May 2019 | Business | |||
| 207.54.95.0/24 since May 2019 | Business | |||
| 208.90.56.0/23 since Apr 2011 | Business | |||
| 208.90.58.0/24 since Aug 2011 | Business | |||
| 208.90.60.0/24 since Feb 2013 | Business | |||
| 208.90.62.0/24 since May 2015 | Business | |||
| 208.90.63.0/24 since Sep 2010 | Business | |||
| 216.71.128.0/23 since Aug 2016 | Business | |||
| 216.71.130.0/23 since Jul 2018 | Business | |||
| 216.71.132.0/24 since Oct 2016 | Business | |||
| 216.71.133.0/24 since Jun 2017 | Business | |||
| 216.71.134.0/24 since Jul 2018 | Business | |||
| 216.71.135.0/24 since Jul 2018 | Business | |||
| 216.71.137.0/24 since Jul 2018 | Business | |||
| 216.71.138.0/24 since Aug 2018 | Business | |||
| 216.71.140.0/24 since Jun 2018 | Business | |||
| 216.71.141.0/24 since Jun 2018 | Business | |||
| 216.71.142.0/24 since May 2018 | Business | |||
| 216.71.143.0/24 since May 2018 | Business | |||
| 216.71.144.0/24 since Jan 2018 | Business | |||
| 216.71.145.0/24 since Mar 2018 | Business | |||
| 216.71.146.0/24 since Mar 2018 | Business | |||
| 216.71.147.0/24 since Mar 2018 | Business | |||
| 216.71.148.0/24 since Jan 2018 | Business | |||
| 216.71.149.0/24 since Apr 2017 | Business | |||
| 216.71.150.0/24 since Feb 2017 | Business | |||
| 216.71.152.0/24 since Apr 2017 | Business | |||
| 216.71.153.0/24 since Apr 2017 | Business | |||
| 216.71.154.0/23 since Nov 2016 | Business |
Network & history
Profile
- Registered
- Jun 22, 2005
- Domain
- cisco.com
- Website
- www.cisco.com
- Industry
- Computer and Information Technology
Routing patterns
How its announcements have moved
Arrivals