81.91.0.0/16
33 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 81.91.0.0/24 | Sweden (100%) | 1 | 1 | 1 |
| 81.91.16.0/24 | Germany (100%) | 1 | 1 | 1 |
| 81.91.24.0/24 | Yemen (100%) | 1 | 1 | 1 |
| 81.91.32.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.91.42.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.91.64.0/24 | France (100%) | 1 | 1 | 1 |
| 81.91.80.0/24 | Czechia (100%) | 1 | 1 | 1 |
| 81.91.96.0/24 | United Kingdom (100%) | 1 | 1 | 1 |
| 81.91.104.0/24 | Germany (100%) | 1 | 1 | 1 |
| 81.91.112.0/24 | United States (100%) | 1 | 1 | 1 |
| 81.91.128.0/24 | Iran (100%) | 1 | 1 | 1 |
| 81.91.131.0/24 | Iran (100%) | 1 | 1 | 1 |
| 81.91.144.0/24 | Iran (100%) | 1 | 1 | 1 |
| 81.91.160.0/24 | Germany (100%) | 1 | 1 | 1 |
| 81.91.164.0/24 | Germany (100%) | 1 | 1 | 1 |
| 81.91.165.0/24 | Germany (100%) | 1 | 1 | 1 |
| 81.91.171.0/24 | Germany (100%) | 1 | 1 | 1 |
| 81.91.176.0/24 | Latvia (100%) | 1 | 1 | 1 |
| 81.91.177.0/24 | Latvia (100%) | 1 | 1 | 1 |
| 81.91.178.0/24 | Netherlands (100%) | 1 | 1 | 1 |
| 81.91.179.0/24 | Latvia (100%) | 1 | 1 | 1 |
| 81.91.180.0/24 | Kazakhstan (100%) | 1 | 1 | 1 |
| 81.91.188.0/24 | Kazakhstan (100%) | 1 | 1 | 1 |
| 81.91.189.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.91.190.0/24 | Belarus (100%) | 1 | 1 | 1 |
| 81.91.208.0/24 | Czechia (100%) | 1 | 1 | 1 |
| 81.91.224.0/24 | Benin (100%) | 1 | 1 | 1 |
| 81.91.226.0/24 | Benin (100%) | 1 | 1 | 1 |
| 81.91.229.0/24 | Benin (100%) | 1 | 1 | 1 |
| 81.91.230.0/24 | Benin (100%) | 1 | 1 | 1 |
| 81.91.234.0/24 | Benin (100%) | 1 | 1 | 1 |
| 81.91.240.0/24 | United Kingdom (100%) | 1 | 1 | 1 |
| 81.91.255.0/24 | United Kingdom (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
81.91.0.0 – 81.91.15.255 | AS197308 | Telia Cygate AB | SE |
81.91.16.0 – 81.91.23.255 | AS199163 | DATAGROUP Operations GmbH | DE |
81.91.24.0 – 81.91.31.255 | AS30873 | Public Telecommunication Corporation | YE |
81.91.32.0 – 81.91.41.255 | AS8359 | MTS PJSC | RU |
81.91.42.0 – 81.91.63.255 | AS8359 | MTS PJSC | RU |
81.91.64.0 – 81.91.79.255 | AS8304 | Ecritel SASU | FR |
81.91.80.0 – 81.91.95.255 | AS39790 | Web4U s.r.o. | CZ |
81.91.96.0 – 81.91.103.255 | AS60981 | Triangle Networks Ltd | GB |
81.91.104.0 – 81.91.111.255 | AS13101 | TNG Stadtnetz GmbH | DE |
81.91.112.0 – 81.91.127.255 | AS12180 | Unitas Global | US |
81.91.128.0 – 81.91.130.255 | AS25124 | Datak Company LLC | IR |
81.91.131.0 – 81.91.143.255 | AS25124 | Datak Company LLC | IR |
81.91.144.0 – 81.91.159.255 | AS206065 | Tose'h Fanavari Ertebabat Pasargad Arian Co. PJS | IR |
81.91.160.0 – 81.91.163.255 | AS8763 | DENIC eG | DE |
81.91.164.0 – 81.91.164.255 | AS31529 | DENIC eG | DE |
18 more ranges in this block.