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How Czechia ranks worldwide on dormant space, the transfer market, routing security and address density.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to Czechia over time.
The largest autonomous systems registered to Czechia by IPv4 footprint.
Czechia against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
714 autonomous systems registered to Czechia. Click an AS for detail.
| 11 |
| AS2571CZ | DHLNET - DHL Information Services (Europe) s.r.o | 438.5K | 100 |
| AS29208CZ | QUANTCOM-AS Quantcom, a.s. | 274.4K | 41 |
| AS28725CZ | CETIN-AS CETIN a.s. | 265.2K | 10 |
| AS30764CZ | PODA-AS PODA a.s. | 220.4K | 21 |
| AS42908CZ | CZ-NORDICTELECOMREGIONAL O2 Czech Republic, a.s. | 183.3K | 44 |
| 133.1K |
| 589.8K |
| 15 |
| AS42908CZ | CZ-NORDICTELECOMREGIONAL O2 Czech Republic, a.s. | 183.3K | 2.4M | 44 |
| AS30764CZ | PODA-AS PODA a.s. | 220.4K | 131.1K | 21 |
| AS28725CZ | CETIN-AS CETIN a.s. | 265.2K | 589.8K | 10 |
| AS29208CZ | QUANTCOM-AS Quantcom, a.s. | 274.4K | 262.1K | 41 |
| AS2571CZ | DHLNET - DHL Information Services (Europe) s.r.o | 438.5K | 90 | 100 |
| AS44546CZ | ALFATELECOM-AS ALFA TELECOM s.r.o. | 526.8K | — | 11 |
| AS2852CZ | CESNET2 CESNET z.s.p.o. | 858.4K | 524.3K | 28 |
| AS13036CZ | TMOBILE-CZ T-Mobile Czech Republic a.s. | 992.3K | 1.1M | 37 |
| AS16019CZ | VODAFONE-CZ-AS Vodafone Czech Republic a.s. | 2.3M | 6.1M | 107 |
| AS5610CZ | O2-CZECH-REPUBLIC O2 Czech Republic, a.s. | 2.3M | 786.4K | 72 |