81.19.0.0/16
30 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 81.19.0.0/24 | Czechia (100%) | 1 | 1 | 1 |
| 81.19.12.0/24 | Czechia (100%) | 1 | 1 | 1 |
| 81.19.15.0/24 | Czechia (100%) | 1 | 1 | 1 |
| 81.19.16.0/24 | France (100%) | 1 | 1 | 1 |
| 81.19.32.0/24 | Czechia (100%) | 1 | 1 | 1 |
| 81.19.48.0/24 | United Kingdom (100%) | 1 | 1 | 1 |
| 81.19.64.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.19.96.0/24 | United States (100%) | 1 | 1 | 1 |
| 81.19.111.0/24 | United Kingdom (100%) | 1 | 1 | 1 |
| 81.19.112.0/24 | Finland (100%) | 1 | 1 | 1 |
| 81.19.128.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.19.132.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.19.133.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.19.134.0/24 | United Kingdom (100%) | 1 | 1 | 1 |
| 81.19.135.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.19.137.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.19.138.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.19.139.0/24 | United Kingdom (100%) | 1 | 1 | 1 |
| 81.19.142.0/24 | Russia (100%) | 1 | 1 | 1 |
| 81.19.144.0/24 | Germany (100%) | 1 | 1 | 1 |
| 81.19.160.0/24 | Spain (100%) | 1 | 1 | 1 |
| 81.19.165.0/24 | Spain (100%) | 1 | 1 | 1 |
| 81.19.174.0/24 | Spain (100%) | 1 | 1 | 1 |
| 81.19.176.0/24 | United Kingdom (100%) | 1 | 1 | 1 |
| 81.19.192.0/24 | United States (100%) | 1 | 1 | 1 |
| 81.19.195.0/24 | United States (100%) | 1 | 1 | 1 |
| 81.19.196.0/24 | United States (100%) | 1 | 1 | 1 |
| 81.19.208.0/24 | United Kingdom (100%) | 1 | 1 | 1 |
| 81.19.217.0/24 | United Kingdom (100%) | 1 | 1 | 1 |
| 81.19.224.0/24 | Denmark (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
81.19.0.0 – 81.19.11.255 | AS24641 | FASTER CZ spol. s r.o. | CZ |
81.19.12.0 – 81.19.14.255 | AS34049 | H-data spol. s r.o. | CZ |
81.19.15.0 – 81.19.15.255 | AS24641 | FASTER CZ spol. s r.o. | CZ |
81.19.16.0 – 81.19.31.255 | AS35283 | Networth Telecom SAS | FR |
81.19.32.0 – 81.19.47.255 | AS25512 | CD-Telematika a.s. | CZ |
81.19.48.0 – 81.19.63.255 | AS29668 | vXtream Ltd | GB |
81.19.64.0 – 81.19.95.255 | AS24638 | Rambler Internet Holding LLC | RU |
81.19.96.0 – 81.19.110.255 | AS2914 | NTT America Inc. | US |
81.19.111.0 – 81.19.111.255 | AS49607 | ZEMPLER BANK LIMITED | GB |
81.19.112.0 – 81.19.127.255 | AS39242 | Seclan Oy | FI |
81.19.128.0 – 81.19.130.255 | AS24658 | Information & Computing Center Ltd. | RU |
81.19.132.0 – 81.19.132.255 | AS198369 | Consumer Internet Cooperative Melenki.Net | RU |
81.19.133.0 – 81.19.133.255 | AS34665 | Petersburg Internet Network ltd. | RU |
81.19.134.0 – 81.19.134.255 | AS9002 | RETN Limited | GB |
81.19.135.0 – 81.19.136.255 | AS9123 | JSC TIMEWEB | RU |
15 more ranges in this block.