Country
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ASN LANDING PAGE
AS16417
IRONPORT-SYSTEMS-INC - Cisco Systems Ironport Division
Last updated · Jul 20, 2026
Total prefixes
117
IPv4 prefixes
107
IPv6 prefixes
10
ASN summary
How to read the scale of AS16417
IRONPORT-SYSTEMS-INC - Cisco Systems Ironport Division currently reports 117 prefixes and 18 upstream, downstream, or peer relationships. These counts describe the current dataset; they do not by themselves prove network quality, reach, or service use.
What can an ASN page answer?
An ASN page shows the public organization label, country or region, BGP prefixes, and available peer and upstream relationships. It adds network context but cannot confirm a website host, physical facility, security status, or service quality.
How should you read the organization and region fields?
IRONPORT-SYSTEMS-INC - Cisco Systems Ironport Division is currently associated with an unknown region. These values come from public network sources and are useful lookup clues; an organization label, registration region, and actual service location may differ.
How should you verify the AS16417 result?
The page shows ASN data returned by the current upstream query; interpret it with the update time. Open representative IP pages from the same network and compare prefixes, source labels, and query times. Verify operator or service claims with the relevant registry or network operator.
How to verify this ASN result
AS16417 ASN lookupAS16417 BGPAS16417 peersAS16417 prefixesAS16417 upstreamsIRONPORT-SYSTEMS-INC - Cisco Systems Ironport Division ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Peers
Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 139.138.24.0/24 | AS16417 | — |
| 139.138.25.0/24 | AS16417 | — |
| 139.138.26.0/24 | AS16417 | — |
| 139.138.27.0/24 | AS16417 | — |
| 139.138.32.0/24 | AS16417 | — |
| 139.138.33.0/24 | AS16417 | — |
| 139.138.34.0/24 | AS16417 | — |
| 139.138.35.0/24 | AS16417 | — |
| 139.138.38.0/24 | AS16417 | — |
| 139.138.39.0/24 | AS16417 | — |
| 139.138.40.0/24 | AS16417 | — |
| 139.138.41.0/24 | AS16417 | — |
| 139.138.46.0/24 | AS16417 | — |
| 139.138.47.0/24 | AS16417 | — |
| 139.138.56.0/24 | AS16417 | — |
| 139.138.57.0/24 | AS16417 | — |
| 139.138.58.0/24 | AS16417 | — |
| 139.138.59.0/24 | AS16417 | — |
| 184.94.240.0/24 | AS16417 | — |
| 184.94.241.0/24 | AS16417 | — |
| 184.94.248.0/22 | AS16417 | — |
| 184.94.248.0/24 | AS16417 | — |
| 184.94.254.0/24 | AS16417 | — |
| 194.165.195.0/24 | AS16417 | — |
| 194.165.196.0/24 | AS16417 | — |
| 194.165.211.0/24 | AS16417 | — |
| 194.165.212.0/24 | AS16417 | — |
| 204.15.80.0/24 | AS16417 | — |
| 207.54.73.0/24 | AS16417 | — |
| 207.54.74.0/24 | AS16417 | — |
| 207.54.80.0/24 | AS16417 | — |
| 207.54.81.0/24 | AS16417 | — |
| 207.54.82.0/24 | AS16417 | — |
| 207.54.84.0/24 | AS16417 | — |
| 207.54.85.0/24 | AS16417 | — |
| 207.54.86.0/24 | AS16417 | — |
| 207.54.87.0/24 | AS16417 | — |
| 207.54.92.0/24 | AS16417 | — |
| 207.54.93.0/24 | AS16417 | — |
| 207.54.94.0/24 | AS16417 | — |
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Related lookups and next steps
Frequently asked questions about this ASN page
What does AS16417 represent?
AS16417 is an autonomous system number. The current source associates it with IRONPORT-SYSTEMS-INC - Cisco Systems Ironport Division and the region field an unknown region; those values add network context but do not prove a specific service, physical location, or quality level.
What are peers, upstreams, and prefixes useful for on the AS16417 page?
They help explain the scale, interconnection depth, and route structure of AS16417. Richer peering and upstream data often indicate broader network reach, but they should still be interpreted together with prefixes and related IP landing pages.
What should you do after reviewing AS16417?
Open a concrete IP page to check how the address maps into AS16417, then compare the prefix, source labels, and query time. Verify operator or service claims with the relevant registry or network operator.
Related topics
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