81.163.0.0/16
22 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 81.163.0.0/24 | Iran (100%) | 1 | 1 | 1 |
| 81.163.8.0/24 | Poland (100%) | 1 | 1 | 1 |
| 81.163.16.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.163.32.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.163.72.0/24 | Latvia (100%) | 1 | 1 | 1 |
| 81.163.80.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.163.96.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.163.112.0/24 | Ukraine (100%) | 1 | 1 | 1 |
| 81.163.128.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.163.160.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.163.192.0/24 | Germany (100%) | 1 | 1 | 1 |
| 81.163.195.0/24 | Germany (100%) | 1 | 1 | 1 |
| 81.163.196.0/24 | Switzerland (100%) | 1 | 1 | 1 |
| 81.163.200.0/24 | Poland (100%) | 1 | 1 | 1 |
| 81.163.208.0/24 | Ukraine (100%) | 1 | 1 | 1 |
| 81.163.210.0/24 | Bulgaria (100%) | 1 | 1 | 1 |
| 81.163.211.0/24 | Ukraine (100%) | 1 | 1 | 1 |
| 81.163.213.0/24 | Ukraine (100%) | 1 | 1 | 1 |
| 81.163.216.0/24 | Ukraine (100%) | 1 | 1 | 1 |
| 81.163.221.0/24 | Ukraine (100%) | 1 | 1 | 1 |
| 81.163.224.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.163.240.0/24 | Russia (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
81.163.0.0 – 81.163.7.255 | AS58303 | Rasana Pishtaz Iranian Service Cooperative Co. | IR |
81.163.8.0 – 81.163.15.255 | AS201725 | Firma Tonetic Krzysztof Adamczyk | PL |
81.163.16.0 – 81.163.31.255 | AS50340 | JSC Selectel | RU |
81.163.32.0 – 81.163.63.255 | AS57227 | Subnet LLC | RU |
81.163.72.0 – 81.163.79.255 | AS57223 | SIA NETVISION | LV |
81.163.80.0 – 81.163.87.255 | AS41616 | Teleservis-plus LLC | RU |
81.163.96.0 – 81.163.111.255 | AS51645 | JSC ER-Telecom Holding | RU |
81.163.112.0 – 81.163.127.255 | AS42530 | TOV Telecommunication company Plazma | UA |
81.163.128.0 – 81.163.159.255 | AS214721 | STATE UNITARY ENTERPRISE OF THE DONETSK PEOPLE'S REPUBLIC REPUBLICAN TELECOMMUNICATIONS OPERATOR | RU |
81.163.160.0 – 81.163.191.255 | AS42589 | UDP Ltd. | RU |
81.163.192.0 – 81.163.194.255 | AS213273 | OSISM GmbH | DE |
81.163.195.0 – 81.163.195.255 | AS200638 | JH-Computers GmbH | DE |
81.163.196.0 – 81.163.199.255 | AS31662 | connecta ag | CH |
81.163.200.0 – 81.163.207.255 | AS59782 | ITB Sp. z o.o. | PL |
81.163.208.0 – 81.163.209.255 | AS57242 | FOP Martyinchuk Aleksandr Vasilevich | UA |
7 more ranges in this block.