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cz.nic CZ.NIC, z.s.p.o. CZ

RIPE LIR — 4 IPv4 + 1 IPv6 allocations · BGP overlay from RIPE RIS RRC00
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IPv4 networks
4
IPv4 addresses
5 632
IPv4 /24 total
22
IPv4 announced
5 376 / 95%
IPv6 networks
1
IPv6 /48 total
524 288
IPv6 /48 announced
524 288 / 100%

⚠ Unannounced & partially announced blocks

1 IPv4 block not announced — total 256 addr (1 /24).
IPv4 — fully not announced

IPv4 allocations

Date Prefix Status Total Announced Coverage
2012-08-09 5.187.34.0/24 RIPE DB ↗RADAR ↗ ALLOCATED PA 256 addr 0 addr Not announced 0%
2013-12-20 185.43.132.0/22 RIPE DB ↗RADAR ↗ ALLOCATED PA 1 024 addr 1 024 addr Full 100%
1998-09-25 212.237.229.0/24 RIPE DB ↗RADAR ↗ ALLOCATED PA 256 addr 256 addr Full 100%
2002-08-27 217.31.192.0/20 RIPE DB ↗RADAR ↗ ALLOCATED PA 4 096 addr 4 096 addr Full 100%

IPv6 allocations

Date Prefix Status Total Announced Coverage
2003-06-20 2001:1488::/29 RIPE DB ↗RADAR ↗ — 524 288 /48 524 288 /48 Full 100%

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.