81.20.0.0/16
25 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 81.20.16.0/24 | Kyrgyzstan (100%) | 1 | 1 | 1 |
| 81.20.18.0/24 | Kyrgyzstan (100%) | 1 | 1 | 1 |
| 81.20.32.0/24 | United Kingdom (100%) | 1 | 1 | 1 |
| 81.20.40.0/24 | United States (100%) | 1 | 1 | 1 |
| 81.20.42.0/24 | United Kingdom (100%) | 1 | 1 | 1 |
| 81.20.48.0/24 | United Kingdom (100%) | 1 | 1 | 1 |
| 81.20.64.0/24 | United States (100%) | 1 | 1 | 1 |
| 81.20.67.0/24 | United States (100%) | 1 | 2 | 2 |
| 81.20.80.0/24 | Germany (100%) | 1 | 1 | 1 |
| 81.20.96.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.20.112.0/24 | Germany (100%) | 1 | 1 | 1 |
| 81.20.128.0/24 | Germany (100%) | 1 | 1 | 1 |
| 81.20.144.0/24 | Estonia (100%) | 1 | 1 | 1 |
| 81.20.160.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.20.176.0/24 | Jersey (100%) | 1 | 1 | 1 |
| 81.20.192.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.20.194.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.20.195.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.20.205.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.20.206.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.20.208.0/24 | United States (100%) | 1 | 1 | 1 |
| 81.20.224.0/24 | Finland (100%) | 1 | 1 | 1 |
| 81.20.240.0/24 | Portugal (100%) | 1 | 1 | 1 |
| 81.20.248.0/24 | Portugal (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
81.20.16.0 – 81.20.17.255 | AS39214 | Kyrgys Russian Slavic University named after First President of Russia B.N. Yeltsin | KG |
81.20.18.0 – 81.20.31.255 | AS39214 | Kyrgys Russian Slavic University named after First President of Russia B.N. Yeltsin | KG |
81.20.32.0 – 81.20.39.255 | AS29033 | Eckoh UK Limited | GB |
81.20.40.0 – 81.20.41.255 | AS16509 | Amazon.com Inc. | US |
81.20.42.0 – 81.20.47.255 | AS29033 | Eckoh UK Limited | GB |
81.20.48.0 – 81.20.63.255 | AS39202 | Global Radio Limited | GB |
81.20.64.0 – 81.20.67.47 | AS2914 | NTT America Inc. | US |
81.20.67.48 – 81.20.67.55 | AS23013 | Fortanix | US |
81.20.67.56 – 81.20.79.255 | AS2914 | NTT America Inc. | US |
81.20.80.0 – 81.20.95.255 | AS25260 | QualityHosting GmbH | DE |
81.20.96.0 – 81.20.111.255 | AS24699 | PJSC Rostelecom | RU |
81.20.112.0 – 81.20.127.255 | AS39835 | goetel GmbH | DE |
81.20.128.0 – 81.20.143.255 | AS33984 | Surfplanet GmbH | DE |
81.20.144.0 – 81.20.159.255 | AS3249 | Telia Eesti AS | EE |
81.20.160.0 – 81.20.175.255 | AS12389 | PJSC Rostelecom | RU |
10 more ranges in this block.