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cz.core4net Core4Net, s.r.o. CZ

RIPE LIR — 5 IPv4 + 2 IPv6 allocations · BGP overlay from RIPE RIS RRC00
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IPv4 networks
5
IPv4 addresses
11 264
IPv4 /24 total
44
IPv4 announced
9 984 / 89%
IPv6 networks
2
IPv6 /48 total
589 824
IPv6 /48 announced
589 824 / 100%

⚠ Unannounced & partially announced blocks

1 IPv4 block not announced — total 1 024 addr (4 /24). 1 partially announced with 256 addr unannounced.
IPv4 — fully not announced
IPv4 — partially announced

IPv4 allocations

Date Prefix Status Total Announced Coverage
2010-10-08 79.142.144.0/20 RIPE DB ↗RADAR ↗ ALLOCATED PA 4 096 addr 4 096 addr Full 100%
2008-05-21 93.91.240.0/20 RIPE DB ↗RADAR ↗ ALLOCATED PA 4 096 addr 4 096 addr Full 100%
2014-03-20 185.51.28.0/22 RIPE DB ↗RADAR ↗ ALLOCATED PA 1 024 addr 1 024 addr Full 100%
2016-10-03 185.170.240.0/22 RIPE DB ↗RADAR ↗ ALLOCATED PA 1 024 addr 0 addr Not announced 0%
2016-11-30 185.180.0.0/22 RIPE DB ↗RADAR ↗ ALLOCATED PA 1 024 addr 768 addr Partial 75%
Announced sub-prefixes
Not announced sub-prefixes (1)

IPv6 allocations

Date Prefix Status Total Announced Coverage
2010-09-27 2a02:24c0::/32 RIPE DB ↗RADAR ↗ — 65 536 /48 65 536 /48 Full 100%
2016-06-09 2a05:d540::/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.