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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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 registered through RIPE NCC
25,312 blocks match, ordered by prefix.
| Prefix | Addresses | Registry | Country | Allocated |
|---|---|---|---|---|
| 195.214.236.0/22 | 1k | RIPE NCC |  RU | 30th Jun 2006 |
| 195.216.219.0/24 | 256 | RIPE NCC |  DE | 25th Nov 2019 |
| 195.216.242.0/24 | 256 | RIPE NCC |  FR | 16th May 2008 |
| 195.22.150.0/23 | 512 | RIPE NCC |  GB | 9th Jan 2003 |
| 195.222.100.0/22 | 1k | RIPE NCC |  PL | 10th Jan 2007 |
| 195.222.104.0/24 | 256 | RIPE NCC | FR | 11th Jan 2007 |
| 195.225.104.0/22 | 1k | RIPE NCC | DE | 19th Jan 2005 |
| 195.225.112.0/22 | 1k | RIPE NCC |  CY | 28th Jan 2005 |
| 195.225.135.0/24 | 256 | RIPE NCC | DE | 25th Feb 2004 |
| 195.225.192.0/22 | 1k | RIPE NCC |  NL | 12th Mar 2004 |
| 195.225.248.0/22 | 1k | RIPE NCC | PL | 31st Mar 2004 |
| 195.225.42.0/23 | 512 | RIPE NCC |  RO | 18th May 2005 |
| 195.225.72.0/22 | 1k | RIPE NCC |  CZ | 10th Jan 2005 |
| 195.225.80.0/24 | 256 | RIPE NCC | FR | 23rd Jul 2021 |
| 195.225.82.0/24 | 256 | RIPE NCC |  NO | 23rd Jul 2021 |
| 195.226.193.0/24 | 256 | RIPE NCC |  IT | 3rd Feb 2010 |
| 195.226.206.0/24 | 256 | RIPE NCC | RO | 22nd Jul 2010 |
| 195.226.208.0/24 | 256 | RIPE NCC |  KZ | 23rd Jul 2010 |
| 195.226.211.0/24 | 256 | RIPE NCC |  VG | 27th Sept 2022 |
| 195.230.100.0/24 | 256 | RIPE NCC |  CH | 28th Mar 2008 |
| 195.230.104.0/24 | 256 | RIPE NCC |  BE | 31st Mar 2008 |
| 195.230.118.0/24 | 256 | RIPE NCC |  US | 3rd Apr 2008 |
| 195.230.122.0/24 | 256 | RIPE NCC | GB | 8th Apr 2008 |
| 195.230.98.0/24 | 256 | RIPE NCC |  TR | 7th Jul 2025 |
| 195.232.0.0/17 | 32.8k | RIPE NCC | NL | 10th May 1996 |
| 195.234.10.0/23 | 512 | RIPE NCC | DE | 29th Oct 2009 |
| 195.234.129.0/24 | 256 | RIPE NCC | DE | 22nd Aug 2002 |
| 195.234.131.0/24 | 256 | RIPE NCC |  LV | 26th Aug 2002 |
| 195.234.136.0/24 | 256 | RIPE NCC | CH | 29th Aug 2002 |
| 195.234.137.0/24 | 256 | RIPE NCC |  SI | 2nd Sept 2002 |
| 195.234.146.0/24 | 256 | RIPE NCC |  SE | 5th Sept 2002 |
| 195.234.147.0/24 | 256 | RIPE NCC | NL | 25th Nov 2019 |
| 195.234.154.0/24 | 256 | RIPE NCC | RU | 27th Mar 2023 |
| 195.234.157.0/24 | 256 | RIPE NCC |  AT | 13th Sept 2002 |
| 195.234.158.0/24 | 256 | RIPE NCC |  IL | 13th Sept 2002 |
| 195.234.160.0/24 | 256 | RIPE NCC | SE | 17th Sept 2002 |
| 195.234.162.0/24 | 256 | RIPE NCC | US | 19th Sept 2002 |
| 195.234.166.0/24 | 256 | RIPE NCC |  ES | 20th Sept 2002 |
| 195.234.167.0/24 | 256 | RIPE NCC | ES | 20th Sept 2002 |
| 195.234.173.0/24 | 256 | RIPE NCC | NL | 26th Sept 2002 |
| 195.234.18.0/23 | 512 | RIPE NCC | AT | 2nd Nov 2009 |
| 195.234.192.0/22 | 1k | RIPE NCC | DE | 4th Sept 2002 |
| 195.234.224.0/22 | 1k | RIPE NCC | CH | 12th Sept 2002 |
| 195.234.244.0/22 | 1k | RIPE NCC | GB | 25th Sept 2002 |
| 195.234.36.0/24 | 256 | RIPE NCC | FR | 3rd Oct 2005 |
| 195.234.37.0/24 | 256 | RIPE NCC | CH | 3rd Oct 2005 |
| 195.234.51.0/24 | 256 | RIPE NCC |  MT | 11th Oct 2005 |
| 195.234.53.0/24 | 256 | RIPE NCC | BE | 12th Oct 2005 |
| 195.234.88.0/23 | 512 | RIPE NCC | NL | 10th Sept 2019 |
| 195.234.96.0/24 | 256 | RIPE NCC | RU | 23rd Feb 2009 |