Registered organisation
Institute for Research in Fundamental Sciences
Address space registered to Institute for Research in Fundamental Sciences, 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 ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.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
132,864
IPv6 /64s
4,295,229,442
Registered blocks
7
Countries
1
What this tells you
- Holds 132,864 IPv4 addresses and 4,295,229,442 IPv6 /64 networks across 7 registered blocks.
- Announced by 29 networks, the largest being AS6736 Institute for Research in Fundamental Sciences at 56% of the IPv4 space.
- All of the space we can place resolves to Iran.
Networks announcing this space
| Network | IPv4 share | |
|---|---|---|
| AS6736 Institute for Research in Fundamental Sciences | 56% | |
| AS43965 Tehran University of Medical Science | 16% | |
| AS41620 Iran University Of Science and Technology | 3% | |
| AS56765 Shahid Beheshti university | 3% | |
| AS57745 Tarbiat Modares University | 2% | |
| AS47981 Iran University of Medical Sciences | 2% | |
| AS47558 Kajeh Nasir Toosi University of Technology | 2% | |
| AS216061 Rasa Samaneh Ofogh LLC | 1.0% | |
| Everything else, including space not announced (21 more) | 16% |
Countries this space resolves to
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Iran | 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.