Czechia
RIPE 709 Networks 9,564,096 IPv4 addresses
709 Networks
9,564,096 IPv4 addresses
683 IPv6 prefixes
RIPE Registry (RIR)
Top networks · by prefix count
| # | Networks | Type | IPv4 prefixes | IPv6 prefixes |
|---|---|---|---|---|
| 1 | AS209854 Cyberzone S.A. | Unknown | 341 | 117 |
| 2 | AS200590 NLS Kazakhstan LLC | ISP | 109 | 3 |
| 3 | AS2571 DHL Information Services (Europe) s.r.o | Unknown | 55 | 45 |
| 4 | AS5610 O2 Czech Republic, a.s. | ISP | 67 | 5 |
| 5 | AS21430 WIA spol. s.r.o. | ISP | 65 | 3 |
| 6 | AS200546 Alexandre SAGE trading as VELYS SOFTWARE | Unknown | 0 | 66 |
| 7 | AS35487 Misaka Network, Inc. | Unknown | 37 | 28 |
| 8 | AS15685 CASABLANCA INT a.s. | Content | 59 | 1 |
| 9 | AS16019 Vodafone Czech Republic a.s. | Unknown | 46 | 13 |
| 10 | AS24971 MasterDC s.r.o. | Content | 33 | 13 |
| 11 | AS204666 Jiri Tlapak | Unknown | 37 | 9 |
| 12 | AS42908 ORIGINAL AS CZ-NORDICTELECOMREGIONAL | Unknown | 35 | 9 |
| 13 | AS44002 Sys-DataCom s.r.o. | ISP | 11 | 31 |
| 14 | AS29208 Quantcom, a.s. | ISP | 36 | 5 |
| 15 | AS62160 WEB3 Leaders INC | ISP | 40 | 1 |
| 16 | AS8518 RFE/RL, INC. | Content | 38 | 1 |
| 17 | AS13036 T-Mobile Czech Republic a.s. | ISP | 34 | 3 |
| 18 | AS35592 Coolhousing s.r.o. | Content | 31 | 4 |
| 19 | AS44489 STARNET, s.r.o. | ISP | 26 | 7 |
| 20 | AS198605 Gen Digital dba as Avast | Enterprise | 21 | 8 |
Registry state, monthly snapshots
Data table
| Month | IPv4 addresses | Networks |
|---|---|---|
| 2022-05 | 9612672 | 744 |
| 2022-06 | 9612928 | 751 |
| 2022-07 | 9615744 | 751 |
| 2022-08 | 9615232 | 753 |
| 2022-09 | 9611136 | 751 |
| 2022-10 | 9610112 | 753 |
| 2022-11 | 9603200 | 752 |
| 2022-12 | 9568128 | 681 |
| 2023-01 | 9564544 | 682 |
| 2023-02 | 9565312 | 683 |
| 2023-03 | 9565568 | 684 |
| 2023-04 | 9566080 | 683 |
| 2023-05 | 9564544 | 682 |
| 2023-06 | 9565312 | 684 |
| 2023-07 | 9565056 | 685 |
| 2023-08 | 9548672 | 685 |
| 2023-09 | 9549696 | 685 |
| 2023-10 | 9551232 | 680 |
| 2023-11 | 9552768 | 681 |
| 2023-12 | 9553280 | 682 |
| 2024-01 | 9554304 | 683 |
| 2024-02 | 9555840 | 690 |
| 2024-03 | 9557888 | 694 |
| 2024-04 | 9557888 | 697 |
| 2024-05 | 9558400 | 696 |
| 2024-06 | 9557632 | 698 |
| 2024-07 | 9552256 | 700 |
| 2024-08 | 9551744 | 698 |
| 2024-09 | 9535872 | 698 |
| 2024-10 | 9536640 | 698 |
| 2024-11 | 9536896 | 700 |
| 2024-12 | 9537216 | 697 |
| 2025-01 | 9528768 | 694 |
| 2025-02 | 9519808 | 696 |
| 2025-03 | 9518272 | 690 |
| 2025-04 | 9518016 | 695 |
| 2025-05 | 9518272 | 694 |
| 2025-06 | 9518016 | 695 |
| 2025-07 | 9524672 | 695 |
| 2025-08 | 9525952 | 697 |
| 2025-09 | 9526720 | 699 |
| 2025-10 | 9526720 | 699 |
| 2025-11 | 9523904 | 701 |
| 2025-12 | 9524160 | 703 |
| 2026-01 | 9128384 | 703 |
| 2026-02 | 9137088 | 704 |
| 2026-03 | 9141184 | 707 |
| 2026-04 | 9139136 | 709 |
| 2026-05 | 9163712 | 711 |
| 2026-06 | 9168832 | 712 |
Allocation history · Allocation events
- First allocation
- January 1984 1984-01
- Largest allocation month
- September 2006 +518,400
- Registry (RIR)
- RIPE
Data table
| Month | IPv4 addresses (cumulative) | ASNs (cumulative) |
|---|---|---|
| 2022-01 | 9552000 | 609 |
| 2022-02 | 9552256 | 610 |
| 2022-03 | 9552768 | 613 |
| 2022-04 | 9552768 | 615 |
| 2022-05 | 9553024 | 619 |
| 2022-06 | 9553024 | 620 |
| 2022-07 | 9553024 | 623 |
| 2022-08 | 9553024 | 624 |
| 2022-09 | 9553280 | 626 |
| 2022-11 | 9553280 | 630 |
| 2022-12 | 9553280 | 631 |
| 2023-01 | 9554048 | 632 |
| 2023-02 | 9554048 | 632 |
| 2023-03 | 9554816 | 632 |
| 2023-04 | 9554816 | 632 |
| 2023-05 | 9555072 | 634 |
| 2023-06 | 9555328 | 635 |
| 2023-07 | 9555584 | 635 |
| 2023-08 | 9555584 | 637 |
| 2023-09 | 9555840 | 639 |
| 2023-10 | 9556096 | 639 |
| 2023-11 | 9556096 | 641 |
| 2023-12 | 9556352 | 643 |
| 2024-01 | 9558656 | 650 |
| 2024-02 | 9558656 | 653 |
| 2024-03 | 9558656 | 656 |
| 2024-05 | 9558912 | 659 |
| 2024-06 | 9559168 | 661 |
| 2024-09 | 9559424 | 663 |
| 2024-10 | 9559680 | 664 |
| 2024-11 | 9560256 | 667 |
| 2024-12 | 9560256 | 669 |
| 2025-01 | 9560512 | 672 |
| 2025-02 | 9560512 | 672 |
| 2025-03 | 9560512 | 678 |
| 2025-04 | 9560768 | 680 |
| 2025-05 | 9561024 | 683 |
| 2025-06 | 9561280 | 683 |
| 2025-07 | 9562304 | 688 |
| 2025-08 | 9562816 | 691 |
| 2025-09 | 9562816 | 692 |
| 2025-10 | 9563072 | 695 |
| 2025-11 | 9563328 | 696 |
| 2025-12 | 9563328 | 701 |
| 2026-01 | 9563584 | 702 |
| 2026-02 | 9563584 | 705 |
| 2026-03 | 9563840 | 709 |
| 2026-04 | 9563840 | 711 |
| 2026-05 | 9563840 | 714 |
| 2026-06 | 9564096 | 714 |
Daily snapshot · accumulating since June 2026
Data table
| Day | IPv4 addresses | Networks |
|---|---|---|
| 2026-06-12 | 9564096 | 706 |
| 2026-06-13 | 9564096 | 706 |
| 2026-06-14 | 9564096 | 706 |
| 2026-06-15 | 9564096 | 706 |
| 2026-06-16 | 9564096 | 708 |
| 2026-06-17 | 9564096 | 709 |
Embed this on your site
Badge 
[](https://ipdex.io/country/CZ/)
<a href="https://ipdex.io/country/CZ/"><img src="https://ipdex.io/badge/country/CZ.svg" alt="CZ on ipdex"></a>
Live chart (iframe)
<iframe src="https://ipdex.io/embed/country/CZ" width="680" height="260" frameborder="0" scrolling="no" title="ipdex chart" style="border:0;max-width:100%"></iframe>