81.161.0.0/16
40 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 81.161.0.0/24 | United States (100%) | 1 | 1 | 1 |
| 81.161.4.0/24 | United States (100%) | 1 | 1 | 1 |
| 81.161.8.0/24 | Panama (100%) | 1 | 1 | 1 |
| 81.161.12.0/24 | Romania (100%) | 1 | 1 | 1 |
| 81.161.16.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.161.32.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.161.48.0/24 | United States (100%) | 1 | 1 | 1 |
| 81.161.52.0/24 | United Kingdom (100%) | 1 | 1 | 1 |
| 81.161.56.0/24 | Liechtenstein (100%) | 1 | 1 | 1 |
| 81.161.58.0/24 | France (100%) | 1 | 1 | 1 |
| 81.161.59.0/24 | Romania (100%) | 1 | 1 | 1 |
| 81.161.60.0/24 | Slovakia (100%) | 1 | 1 | 1 |
| 81.161.62.0/24 | United States (100%) | 1 | 1 | 1 |
| 81.161.63.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.161.64.0/24 | Czechia (100%) | 1 | 1 | 1 |
| 81.161.80.0/24 | Oman (100%) | 1 | 1 | 1 |
| 81.161.96.0/24 | Denmark (100%) | 1 | 1 | 1 |
| 81.161.98.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.161.100.0/24 | Poland (100%) | 1 | 1 | 1 |
| 81.161.101.0/24 | Poland (100%) | 1 | 1 | 1 |
| 81.161.102.0/24 | Poland (100%) | 1 | 1 | 1 |
| 81.161.104.0/24 | Poland (100%) | 1 | 1 | 1 |
| 81.161.108.0/24 | Poland (100%) | 1 | 1 | 1 |
| 81.161.112.0/24 | Poland (100%) | 1 | 1 | 1 |
| 81.161.114.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.161.115.0/24 | Austria (100%) | 1 | 1 | 1 |
| 81.161.116.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.161.120.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.161.128.0/24 | Denmark (100%) | 1 | 1 | 1 |
| 81.161.192.0/24 | Poland (100%) | 1 | 1 | 1 |
| 81.161.208.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.161.224.0/24 | United Kingdom (100%) | 1 | 1 | 1 |
| 81.161.226.0/24 | United Kingdom (100%) | 1 | 1 | 1 |
| 81.161.228.0/24 | Iraq (100%) | 1 | 1 | 1 |
| 81.161.230.0/24 | New Zealand (100%) | 1 | 1 | 1 |
| 81.161.232.0/24 | Italy (100%) | 1 | 1 | 1 |
| 81.161.236.0/24 | United Kingdom (100%) | 1 | 1 | 1 |
| 81.161.237.0/24 | United States (100%) | 1 | 1 | 1 |
| 81.161.239.0/24 | United States (100%) | 1 | 1 | 1 |
| 81.161.240.0/24 | Bulgaria (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
81.161.0.0 – 81.161.3.255 | AS6282 | Fiber Optical Network LLC | US |
81.161.4.0 – 81.161.7.255 | AS3561 | CenturyLink Communications LLC | US |
81.161.8.0 – 81.161.11.255 | AS136787 | PacketHub S.A. | PA |
81.161.12.0 – 81.161.15.255 | AS9009 | M247 Europe SRL | RO |
81.161.16.0 – 81.161.31.255 | AS59595 | Teneta Telekom Ltd. | RU |
81.161.32.0 – 81.161.47.255 | AS48226 | OOO INFOKOM | RU |
81.161.48.0 – 81.161.51.255 | AS50835 | EANCENTER TELECOM LLC | US |
81.161.52.0 – 81.161.55.255 | AS2856 | British Telecommunications Limited | GB |
81.161.56.0 – 81.161.57.255 | AS198288 | Speedcom AG | LI |
81.161.58.0 – 81.161.58.255 | AS204818 | Hosteur SAS | FR |
81.161.59.0 – 81.161.59.255 | AS44418 | Bitdefender SRL | RO |
81.161.60.0 – 81.161.61.255 | AS59477 | LIFEPC s.r.o. | SK |
81.161.62.0 – 81.161.62.255 | AS16509 | Amazon.com Inc. | US |
81.161.63.0 – 81.161.63.255 | AS205907 | JSC MSU-1 | RU |
81.161.64.0 – 81.161.79.255 | AS59479 | GEMNET s.r.o. | CZ |
25 more ranges in this block.