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cz.internet INTERNET CZ, a.s. CZ

RIPE LIR — 4 IPv4 + 2 IPv6 allocations · BGP overlay from RIPE RIS RRC00
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IPv4 networks
4
IPv4 addresses
22 528
IPv4 /24 total
88
IPv4 announced
22 528 / 100%
IPv6 networks
2
IPv6 /48 total
589 824
IPv6 /48 announced
524 288 / 89%

⚠ Unannounced & partially announced blocks

IPv6: 1 not, 0 partial.
IPv6 — fully not announced

IPv4 allocations

Date Prefix Status Total Announced Coverage
2002-04-04 81.2.192.0/18 RIPE DB ↗RADAR ↗ ALLOCATED PA 16 384 addr 16 384 addr Full 100%
2013-06-12 185.28.100.0/22 RIPE DB ↗RADAR ↗ ALLOCATED PA 1 024 addr 1 024 addr Full 100%
2015-12-02 185.129.136.0/22 RIPE DB ↗RADAR ↗ ALLOCATED PA 1 024 addr 1 024 addr Full 100%
1997-03-20 195.181.208.0/20 RIPE DB ↗RADAR ↗ ALLOCATED PA 4 096 addr 4 096 addr Full 100%

IPv6 allocations

Date Prefix Status Total Announced Coverage
2010-11-26 2001:15e8::/29 RIPE DB ↗RADAR ↗ — 524 288 /48 524 288 /48 Full 100%
2013-05-27 2a00:9160::/32 RIPE DB ↗RADAR ↗ — 65 536 /48 0 /48 Not announced 0%

Coverage = how much of an allocation is reachable via BGP. Full: every /24 (or /48) inside the block has a covering BGP route. Partial: some /24s announced, others unannounced — see the breakdown for the actual announced sub-prefixes. Not announced: no BGP route covers any /24 of the block.