IPv4 AS Names Directory: AS Name DFN Systems
DFN Systems - IPv4 Network Ranges (CIDRs)
DFN Systems has 3 IPv4 network ranges (CIDR).
Including: 199.83.116.0/22, 208.99.24.0/22, 74.116.128.0/21
This information corresponds to IPv4 addresses for AS Name DFN Systems, but this AS Name also has associated IPv6 address ranges.
Check the IPv6 data for this AS Name
Download the complete list of CIDRs and AS numbers associated with DFN Systems for IPv4 in multiple formats: Text File (one per line), Comma Separated Text File, JSON or CSV File. The preview shows only a portion of the data, but these download options allow access to the full dataset.
DFN Systems - Autonomous System Numbers (AS)
DFN Systems is associated with 1 AS number.
The AS number is: AS53266
| IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 74.116.128.0 to 74.116.135.255 | 74.116.128.0/21 | AS53266 | DFN Systems | See Range |
| 199.83.116.0 to 199.83.119.255 | 199.83.116.0/22 | AS53266 | DFN Systems | See Range |
| 208.99.24.0 to 208.99.27.255 | 208.99.24.0/22 | AS53266 | DFN Systems | See Range |
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