Registered organisation
Academic Computer Centre CYFRONET AGH
Address space registered to Academic Computer Centre CYFRONET AGH, and where it is announced from.
Registered holders come from the bulk whois that RIPE, APNIC and AFRINIC publish. ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.
IPv4 addresses
140,288
IPv6 /64s
34,359,738,369
Registered blocks
6
Countries
1
What this tells you
- Holds 140,288 IPv4 addresses and 34,359,738,369 IPv6 /64 networks across 6 registered blocks.
- Announced by 3 networks, the largest being AS8323 Academic Computer Centre CYFRONET AGH at 93% of the IPv4 space.
- All of the space we can place resolves to Poland.
Networks announcing this space
| Network | IPv4 share | IPv6 share | |
|---|---|---|---|
| AS8323 Academic Computer Centre CYFRONET AGH | 93% | 100% | |
| AS203890 Krakowski Park Technologiczny Sp ZOO | 0.7% | - | |
| AS206687 RESINVEST ENERGY POLSKA Sp. z o.o. | 0.2% | - | |
| Not announced to the internet | 6% | - |
Countries this space resolves to
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Poland | 100% | 100% |
Holding a block is a registry fact, not a physical one. The organisation named here is who the block is assigned to, which is often a customer of the network operator announcing it.