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cz.sferia SferiaNET.cz s.r.o. CZ

RIPE LIR — 4 IPv4 + 2 IPv6 allocations · BGP overlay from RIPE RIS RRC00
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IPv4 networks
4
IPv4 addresses
4 096
IPv4 /24 total
16
IPv4 announced
4 096 / 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
2012-09-20 185.3.156.0/22 RIPE DB ↗RADAR ↗ ALLOCATED PA 1 024 addr 1 024 addr Full 100%
2016-04-13 185.147.44.0/22 RIPE DB ↗RADAR ↗ ALLOCATED PA 1 024 addr 1 024 addr Full 100%
2018-01-26 185.243.124.0/22 RIPE DB ↗RADAR ↗ ALLOCATED PA 1 024 addr 1 024 addr Full 100%
2018-09-11 193.35.92.0/22 RIPE DB ↗RADAR ↗ ALLOCATED PA 1 024 addr 1 024 addr Full 100%

IPv6 allocations

Date Prefix Status Total Announced Coverage
2012-09-19 2a02:53c0::/32 RIPE DB ↗RADAR ↗ — 65 536 /48 0 /48 Not announced 0%
2018-01-29 2a0d:1380::/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.