Allocated but unannounced space
Every block here was allocated or assigned by a regional internet registry, and none of them appeared in any routing table we collected at our last snapshot — neither as a route of their own, nor covered by a larger announcement, nor carved up into more specifics.
“Unannounced” does not mean “unused”
Plenty of allocated space is deliberately kept off the public internet: private interconnects, lab and lawful-intercept ranges, networks reachable only inside one operator, and space held in reserve. Some of it is announced somewhere our collectors cannot see, which is a limit of our vantage points rather than a fact about the block.
It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today. Nothing on this page means a block is unallocated, available, or free to announce.
Browse by registry
Browse by country
Countries with unannounced space registered through RIPE NCC, largest first.
Unannounced blocks in Iran
586 blocks match, ordered by prefix.
| Prefix | Addresses | Registry | Country | Allocated |
|---|---|---|---|---|
| 89.35.180.0/22 | 1k | RIPE NCC |  IR | 29th Nov 2005 |
| 89.35.64.0/21 | 2k | RIPE NCC | IR | 29th Nov 2005 |
| 89.36.252.0/23 | 512 | RIPE NCC | IR | 29th Nov 2005 |
| 89.40.110.0/23 | 512 | RIPE NCC | IR | 29th Nov 2005 |
| 89.40.38.0/23 | 512 | RIPE NCC | IR | 29th Nov 2005 |
| 89.40.65.0/24 | 256 | RIPE NCC | IR | 29th Nov 2005 |
| 89.41.58.0/23 | 512 | RIPE NCC | IR | 29th Nov 2005 |
| 89.42.56.0/23 | 512 | RIPE NCC | IR | 29th Nov 2005 |
| 89.45.126.0/23 | 512 | RIPE NCC | IR | 29th Nov 2005 |
| 91.194.6.0/24 | 256 | RIPE NCC | IR | 28th Jan 2026 |
| 91.209.96.0/24 | 256 | RIPE NCC | IR | 1st Jun 2021 |
| 91.216.63.0/24 | 256 | RIPE NCC | IR | 22nd Sept 2026 |
| 91.220.0.0/24 | 256 | RIPE NCC | IR | 11th Aug 2025 |
| 91.220.79.0/24 | 256 | RIPE NCC | IR | 27th Oct 2010 |
| 91.226.224.0/23 | 512 | RIPE NCC | IR | 28th Apr 2011 |
| 91.228.192.0/24 | 256 | RIPE NCC | IR | 22nd May 2025 |
| 91.228.22.0/23 | 512 | RIPE NCC | IR | 3rd Oct 2019 |
| 91.231.222.0/24 | 256 | RIPE NCC | IR | 3rd Sept 2024 |
| 91.233.244.0/24 | 256 | RIPE NCC | IR | 29th Sept 2026 |
| 91.233.245.0/24 | 256 | RIPE NCC | IR | 29th Sept 2026 |
| 91.239.108.0/22 | 1k | RIPE NCC | IR | 18th May 2012 |
| 91.239.210.0/24 | 256 | RIPE NCC | IR | 31st Aug 2022 |
| 91.240.116.0/24 | 256 | RIPE NCC | IR | 2nd Nov 2022 |
| 91.92.172.0/22 | 1k | RIPE NCC | IR | 15th Aug 2006 |
| 91.92.220.0/22 | 1k | RIPE NCC | IR | 15th Aug 2006 |
| 92.114.64.0/20 | 4.1k | RIPE NCC | IR | 15th Oct 2007 |
| 93.117.176.0/20 | 4.1k | RIPE NCC | IR | 21st Dec 2007 |
| 93.119.208.0/20 | 4.1k | RIPE NCC | IR | 21st Dec 2007 |
| 93.119.64.0/19 | 8.2k | RIPE NCC | IR | 21st Dec 2007 |
| 93.88.72.0/23 | 512 | RIPE NCC | IR | 14th Mar 2008 |
| 93.93.204.0/24 | 256 | RIPE NCC | IR | 23rd Aug 2021 |
| 94.24.0.0/20 | 4.1k | RIPE NCC | IR | 2nd Jun 2008 |
| 95.156.222.0/23 | 512 | RIPE NCC | IR | 27th Mar 2009 |
| 95.156.233.0/24 | 256 | RIPE NCC | IR | 27th Mar 2009 |
| 95.156.234.0/23 | 512 | RIPE NCC | IR | 27th Mar 2009 |
| 95.156.248.0/23 | 512 | RIPE NCC | IR | 27th Mar 2009 |