154.21.0.0/16
51 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 154.21.0.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.13.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.14.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.15.0/24 | Dominican Republic (100%) | 1 | 1 | 1 |
| 154.21.16.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.20.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.22.0/24 | Myanmar (100%) | 1 | 1 | 1 |
| 154.21.24.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.28.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.40.0/24 | India (100%) | 1 | 1 | 1 |
| 154.21.41.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.56.0/24 | Canada (100%) | 1 | 1 | 1 |
| 154.21.58.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.72.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.80.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.96.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.99.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.105.0/24 | Indonesia (100%) | 1 | 1 | 1 |
| 154.21.106.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.107.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.108.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.112.0/24 | India (100%) | 1 | 1 | 1 |
| 154.21.114.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.119.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.128.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.132.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.136.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.140.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.148.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.152.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.156.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.160.0/24 | Hong Kong (100%) | 1 | 1 | 1 |
| 154.21.164.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.170.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.176.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.194.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.204.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.208.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.210.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.212.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.214.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.215.0/24 | Netherlands (100%) | 1 | 1 | 1 |
| 154.21.216.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.217.0/24 | Indonesia (100%) | 1 | 1 | 1 |
| 154.21.218.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.224.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.232.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.234.0/24 | India (100%) | 1 | 1 | 1 |
| 154.21.236.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.239.0/24 | United States (100%) | 1 | 1 | 1 |
| 154.21.240.0/24 | United States (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
154.21.0.0 – 154.21.12.255 | AS174 | Cogent Communications LLC | US |
154.21.13.0 – 154.21.13.255 | AS400211 | Port 80 | US |
154.21.14.0 – 154.21.14.255 | AS174 | Cogent Communications LLC | US |
154.21.15.0 – 154.21.15.255 | AS272935 | GB TELECORP DOMINICANA S.R.L | DO |
154.21.16.0 – 154.21.19.255 | AS5650 | Verizon Business | US |
154.21.20.0 – 154.21.21.255 | AS174 | Cogent Communications LLC | US |
154.21.22.0 – 154.21.23.255 | AS149487 | MOC COMPANY LIMITED | MM |
154.21.24.0 – 154.21.27.255 | AS174 | Cogent Communications LLC | US |
154.21.28.0 – 154.21.39.255 | AS174 | Cogent Communications LLC | US |
154.21.40.0 – 154.21.40.255 | AS150044 | Mieux Technologies Pvt Ltd | IN |
154.21.41.0 – 154.21.55.255 | AS174 | Cogent Communications LLC | US |
154.21.56.0 – 154.21.57.255 | AS55066 | eStruxture Data Centers Inc. | CA |
154.21.58.0 – 154.21.71.255 | AS174 | Cogent Communications LLC | US |
154.21.72.0 – 154.21.79.255 | AS174 | Cogent Communications LLC | US |
154.21.80.0 – 154.21.95.255 | AS906 | DMIT Cloud Services | US |
36 more ranges in this block.