IPv4 AS Names Directory: AS Name Optimum Online
Optimum Online - IPv4 Network Ranges (CIDRs)
                Optimum Online has 11 IPv4 network ranges (CIDR).
                                    Including: 143.55.154.0/24, 173.246.192.0/20, 173.246.208.0/21, 173.246.216.0/23, 173.246.222.0/23, 198.185.218.0/23, 205.236.71.0/24, 216.116.224.0/19, 24.246.128.0/18, 63.143.128.0/17, 64.127.208.0/20
                                                
                            
                    This information corresponds to IPv4 addresses for AS Name Optimum Online, 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 Optimum Online 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.
Optimum Online - Autonomous System Numbers (AS)
                Optimum Online is associated with 1 AS number.
                                    The AS number is: AS53488
                            
            
            | IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 24.246.128.0 to 24.246.191.255 | 24.246.128.0/18 | AS53488 | Optimum Online | See Range | 
| 63.143.128.0 to 63.143.255.255 | 63.143.128.0/17 | AS53488 | Optimum Online | See Range | 
| 64.127.208.0 to 64.127.223.255 | 64.127.208.0/20 | AS53488 | Optimum Online | See Range | 
| 143.55.154.0 to 143.55.154.255 | 143.55.154.0/24 | AS53488 | Optimum Online | See Range | 
| 173.246.192.0 to 173.246.207.255 | 173.246.192.0/20 | AS53488 | Optimum Online | See Range | 
| 173.246.208.0 to 173.246.215.255 | 173.246.208.0/21 | AS53488 | Optimum Online | See Range | 
| 173.246.216.0 to 173.246.217.255 | 173.246.216.0/23 | AS53488 | Optimum Online | See Range | 
| 173.246.222.0 to 173.246.223.255 | 173.246.222.0/23 | AS53488 | Optimum Online | See Range | 
| 198.185.218.0 to 198.185.219.255 | 198.185.218.0/23 | AS53488 | Optimum Online | See Range | 
| 205.236.71.0 to 205.236.71.255 | 205.236.71.0/24 | AS53488 | Optimum Online | See Range | 
| 216.116.224.0 to 216.116.255.255 | 216.116.224.0/19 | AS53488 | Optimum Online | See Range | 
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