ISP Alliance a.s.
CZ. Active in the transfer logs from 12 Mar 2014 to 6 Aug 2026 in this period.
31Kaddresses bought in 34 transfers
17.9Kaddresses sold in 11 transfers
+13.1Knet change in address space
45 transfers
Every range this organisation was on either side of, newest first, including mergers and acquisitions. Addresses are the size of the range; a block is shown when the range is one CIDR prefix.
| Date | Range | Block | Addresses | Side | Counterparty | Registries | Kind |
|---|---|---|---|---|---|---|---|
| 6 Aug 2026 | 185.125.128.0 – 185.125.131.255 | /22 | 1K | Sold | "N_SYS s.r.o." (CZ) | RIPE | Market transfer |
| 18 Jul 2024 | 185.40.80.0 – 185.40.83.255 | /22 | 1K | Bought | AIRWEB, spol. s r.o. | RIPE | Market transfer |
| 15 Nov 2023 | 185.207.168.0 – 185.207.171.255 | /22 | 1K | Bought | ATL Obchodni s.r.o. | RIPE | Market transfer |
| 15 Nov 2023 | 46.255.8.0 – 46.255.15.255 | /21 | 2K | Bought | ATL Obchodni s.r.o. | RIPE | Market transfer |
| 7 Nov 2023 | 193.138.152.0 – 193.138.155.255 | /22 | 1K | Bought | Ladislav Rudolf | RIPE | Market transfer |
| 7 Nov 2023 | 185.138.68.0 – 185.138.71.255 | /22 | 1K | Bought | Ladislav Rudolf | RIPE | Market transfer |
| 17 Oct 2023 | 185.151.172.0 – 185.151.175.255 | /22 | 1K | Sold | Ceznet sro | RIPE | Market transfer |
| 17 Oct 2023 | 185.115.180.0 – 185.115.183.255 | /22 | 1K | Sold | Ceznet sro | RIPE | Market transfer |
| 17 Oct 2023 | 185.116.48.0 – 185.116.51.255 | /22 | 1K | Sold | Ceznet sro | RIPE | Market transfer |
| 6 Oct 2023 | 185.155.32.0 – 185.155.35.255 | /22 | 1K | Bought | COMTEX s.r.o. | RIPE | Market transfer |
| 5 Oct 2023 | 5.183.12.0 – 5.183.15.255 | /22 | 1K | Bought | Bohemia Net Provider sro | RIPE | Market transfer |
| 28 Jun 2023 | 91.192.32.0 – 91.192.35.255 | /22 | 1K | Bought | GRAPE SC, a.s. | RIPE | Market transfer |
| 14 Nov 2022 | 213.109.172.0 – 213.109.175.255 | /22 | 1K | Bought | Luminet s.r.o. | RIPE | Market transfer |
| 12 Sep 2022 | 185.94.4.0 – 185.94.7.255 | /22 | 1K | Bought | Miroslav Holienka | RIPE | Market transfer |
| 6 Sep 2022 | 147.161.28.0 – 147.161.31.255 | /22 | 1K | Sold | WIA spol. s.r.o. | RIPE | Market transfer |
| 14 Jul 2022 | 185.99.176.0 – 185.99.179.255 | /22 | 1K | Sold | Komplet NET s.r.o. | RIPE | Market transfer |
| 10 May 2022 | 185.97.24.0 – 185.97.27.255 | /22 | 1K | Bought | STEN.cz s.r.o. | RIPE | Market transfer |
| 9 May 2022 | 45.153.192.0 – 45.153.195.255 | /22 | 1K | Bought | Chceme.net s.r.o. | RIPE | Market transfer |
| 9 May 2022 | 195.12.39.0 – 195.12.39.255 | /24 | 256 | Bought | NETTLE.CZ-ISP s.r.o. | RIPE | Market transfer |
| 16 Dec 2021 | 193.104.67.0 – 193.104.67.255 | /24 | 256 | Bought | ECOMP spol. s r.o. | RIPE | Market transfer |
| 16 Dec 2021 | 193.104.12.0 – 193.104.12.255 | /24 | 256 | Bought | ECOMP spol. s r.o. | RIPE | Market transfer |
| 16 Dec 2021 | 193.104.41.0 – 193.104.41.255 | /24 | 256 | Bought | ECOMP spol. s r.o. | RIPE | Market transfer |
| 16 Dec 2021 | 193.104.7.0 – 193.104.7.255 | /24 | 256 | Bought | ECOMP spol. s r.o. | RIPE | Market transfer |
| 8 Nov 2021 | 85.255.88.0 – 85.255.91.255 | /22 | 1K | Bought | Air Networks s.r.o. | RIPE | Market transfer |
| 15 Apr 2021 | 185.74.62.0 – 185.74.63.255 | /23 | 512 | Sold | United Networks SE | RIPE | Market transfer |
| 18 Dec 2020 | 185.188.100.0 – 185.188.103.255 | /22 | 1K | Bought | TrojanoviceNET s.r.o. | RIPE | Market transfer |
| 9 Dec 2020 | 5.39.200.0 – 5.39.203.255 | /22 | 1K | Bought | OHRE MEDIA spol. s r.o. | RIPE | Market transfer |
| 14 Jul 2020 | 95.143.128.0 – 95.143.143.255 | /20 | 4.1K | Sold | Nej.cz s.r.o. | RIPE | Market transfer |
| 7 Jul 2020 | 147.161.28.0 – 147.161.31.255 | /22 | 1K | Bought | CC INTERNET s.r.o. | RIPE | Market transfer |
| 10 Dec 2018 | 185.151.172.0 – 185.151.175.255 | /22 | 1K | Bought | KETNET s.r.o. | RIPE | Market transfer |
| 23 Nov 2018 | 185.115.180.0 – 185.115.183.255 | /22 | 1K | Bought | TaNET West s.r.o. | RIPE | Market transfer |
| 23 Nov 2018 | 185.116.48.0 – 185.116.51.255 | /22 | 1K | Bought | FLEA s.r.o. | RIPE | Market transfer |
| 9 Nov 2018 | 185.167.184.0 – 185.167.187.255 | /22 | 1K | Bought | SPANET s.r.o. | RIPE | Market transfer |
| 8 Mar 2018 | 46.23.48.0 – 46.23.63.255 | /20 | 4.1K | Sold | United Networks SE | RIPE | Market transfer |
| 8 Mar 2018 | 185.17.100.0 – 185.17.103.255 | /22 | 1K | Sold | United Networks SE | RIPE | Market transfer |
| 28 Nov 2017 | 185.125.128.0 – 185.125.131.255 | /22 | 1K | Bought | Libor Bohadlo | RIPE | Market transfer |
| 22 Sep 2017 | 185.99.176.0 – 185.99.179.255 | /22 | 1K | Bought | ITexpres s.r.o. | RIPE | Market transfer |
| 24 Aug 2017 | 185.74.60.0 – 185.74.63.255 | /22 | 1K | Bought | OK-NET s.r.o. | RIPE | Market transfer |
| 29 May 2017 | 185.64.220.0 – 185.64.223.255 | /22 | 1K | Bought | GS-NET computers, s.r.o. | RIPE | Market transfer |
| 17 Feb 2017 | 185.52.172.0 – 185.52.173.255 | /23 | 512 | Bought | PRO - ISP s.r.o. | RIPE | Market transfer |
| 28 Nov 2016 | 185.73.104.0 – 185.73.107.255 | /22 | 1K | Bought | SOKONET s.r.o. | RIPE | Market transfer |
| 25 Nov 2016 | 185.73.100.0 – 185.73.103.255 | /22 | 1K | Bought | System NET Line s.r.o. | RIPE | Market transfer |
| 9 Nov 2016 | 185.73.108.0 – 185.73.111.255 | /22 | 1K | Bought | WOLFSTEIN s.r.o. | RIPE | Market transfer |
| 1 Jul 2015 | 213.108.162.0 – 213.108.163.255 | /23 | 512 | Bought | PRO-COMUNICATION s.r.o | RIPE | Market transfer |
| 12 Mar 2014 | 109.235.0.0 – 109.235.7.255 | /21 | 2K | Sold | AIRWEB, spol. s r.o. | RIPE | Market transfer |