173.251.0.0/16
20 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 173.251.0.0/24 | United States (100%) | 1 | 1 | 1 |
| 173.251.19.0/24 | United States (100%) | 1 | 1 | 1 |
| 173.251.20.0/24 | United States (100%) | 1 | 1 | 1 |
| 173.251.28.0/24 | United States (100%) | 1 | 1 | 1 |
| 173.251.29.0/24 | United States (100%) | 1 | 1 | 1 |
| 173.251.30.0/24 | United States (100%) | 1 | 1 | 1 |
| 173.251.31.0/24 | United States (100%) | 1 | 1 | 1 |
| 173.251.54.0/24 | United States (100%) | 1 | 1 | 1 |
| 173.251.55.0/24 | United States (100%) | 1 | 1 | 1 |
| 173.251.60.0/24 | United States (100%) | 1 | 1 | 1 |
| 173.251.61.0/24 | United States (100%) | 1 | 1 | 1 |
| 173.251.64.0/24 | United States (100%) | 1 | 1 | 1 |
| 173.251.65.0/24 | United States (100%) | 1 | 1 | 1 |
| 173.251.91.0/24 | United States (100%) | 1 | 1 | 1 |
| 173.251.92.0/24 | United States (100%) | 1 | 1 | 1 |
| 173.251.111.0/24 | United States (100%) | 1 | 1 | 1 |
| 173.251.112.0/24 | United States (100%) | 1 | 1 | 1 |
| 173.251.240.0/24 | United States (100%) | 1 | 1 | 1 |
| 173.251.242.0/24 | United States (100%) | 1 | 1 | 1 |
| 173.251.245.0/24 | United States (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
173.251.0.0 – 173.251.18.255 | AS6128 | Cablevision Systems Corp. | US |
173.251.19.0 – 173.251.19.255 | AS32696 | Tri State Voice & Data LLC | US |
173.251.20.0 – 173.251.27.255 | AS6128 | Cablevision Systems Corp. | US |
173.251.28.0 – 173.251.28.255 | AS54004 | Cablevision Lightpath LLC | US |
173.251.29.0 – 173.251.29.255 | AS6128 | Cablevision Systems Corp. | US |
173.251.30.0 – 173.251.30.255 | AS11737 | Nu-Age Managed Services LLC | US |
173.251.31.0 – 173.251.53.255 | AS6128 | Cablevision Systems Corp. | US |
173.251.54.0 – 173.251.54.255 | AS13599 | Eisai Inc. | US |
173.251.55.0 – 173.251.59.255 | AS6128 | Cablevision Systems Corp. | US |
173.251.60.0 – 173.251.60.255 | AS22225 | Prestige Brands Inc. | US |
173.251.61.0 – 173.251.63.255 | AS6128 | Cablevision Systems Corp. | US |
173.251.64.0 – 173.251.64.255 | AS16884 | Tourmaline Partners LLC | US |
173.251.65.0 – 173.251.90.255 | AS6128 | Cablevision Systems Corp. | US |
173.251.91.0 – 173.251.91.255 | AS53725 | PBF Holding Company LLC | US |
173.251.92.0 – 173.251.110.255 | AS6128 | Cablevision Systems Corp. | US |
5 more ranges in this block.