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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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
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Countries with unannounced space registered through RIPE NCC, largest first.
Unannounced blocks registered through RIPE NCC
25,318 blocks match, ordered by prefix.
| Prefix | Addresses | Registry | Country | Allocated |
|---|---|---|---|---|
| 2a00:9260::/29 | 34.4B × /64 | RIPE NCC | 28th May 2013 | |
| 2a00:92a0::/29 | 34.4B × /64 | RIPE NCC | 28th May 2013 | |
| 2a00:92c0::/29 | 34.4B × /64 | RIPE NCC | 7th Feb 2012 | |
| 2a00:92e0::/32 | 4.3B × /64 | RIPE NCC | 28th May 2013 | |
| 2a00:93a0::/32 | 4.3B × /64 | RIPE NCC | 29th May 2013 | |
| 2a00:93e0::/32 | 4.3B × /64 | RIPE NCC | 29th May 2013 | |
| 2a00:9420::/32 | 4.3B × /64 | RIPE NCC | 29th May 2013 | |
| 2a00:9440::/32 | 4.3B × /64 | RIPE NCC | 8th Feb 2012 | |
| 2a00:94c0::/32 | 4.3B × /64 | RIPE NCC | 8th Feb 2012 | |
| 2a00:9580::/32 | 4.3B × /64 | RIPE NCC | 16th May 2011 | |
| 2a00:95c0::/29 | 34.4B × /64 | RIPE NCC | 8th Feb 2012 | |
| 2a00:9600::/32 | 4.3B × /64 | RIPE NCC | 24th Jan 2011 | |
| 2a00:9660::/32 | 4.3B × /64 | RIPE NCC | 8th May 2015 | |
| 2a00:9680::/29 | 34.4B × /64 | RIPE NCC | 14th Jun 2019 | |
| 2a00:9740::/32 | 4.3B × /64 | RIPE NCC | 13th Feb 2012 | |
| 2a00:9760::/32 | 4.3B × /64 | RIPE NCC | 3rd Jun 2013 | |
| 2a00:9802::/31 | 8.6B × /64 | RIPE NCC | 9th Dec 2010 | |
| 2a00:9804::/30 | 17.2B × /64 | RIPE NCC | 9th Dec 2010 | |
| 2a00:9820::/32 | 4.3B × /64 | RIPE NCC | 4th Jun 2013 | |
| 2a00:9840::/32 | 4.3B × /64 | RIPE NCC | 13th Feb 2012 | |
| 2a00:98e0::/32 | 4.3B × /64 | RIPE NCC | 4th Jun 2013 | |
| 2a00:9920::/29 | 34.4B × /64 | RIPE NCC | 5th Jun 2013 | |
| 2a00:9980::/32 | 4.3B × /64 | RIPE NCC | 17th May 2011 | |
| 2a00:99c0::/32 | 4.3B × /64 | RIPE NCC | 14th Feb 2012 | |
| 2a00:99e0::/29 | 34.4B × /64 | RIPE NCC | 6th Jun 2013 | |
| 2a00:9aa0::/32 | 4.3B × /64 | RIPE NCC | 6th Jun 2013 | |
| 2a00:9b20::/32 | 4.3B × /64 | RIPE NCC | 15th May 2015 | |
| 2a00:9b40::/32 | 4.3B × /64 | RIPE NCC | 15th Jul 2016 | |
| 2a00:9ba0::/32 | 4.3B × /64 | RIPE NCC | 10th Jun 2013 | |
| 2a00:9bc0::/32 | 4.3B × /64 | RIPE NCC | 16th Feb 2012 | |
| 2a00:9be0::/32 | 4.3B × /64 | RIPE NCC | 10th Jun 2013 | |
| 2a00:9ca0::/32 | 4.3B × /64 | RIPE NCC | 11th Jun 2013 | |
| 2a00:9cc0::/32 | 4.3B × /64 | RIPE NCC | 17th Feb 2012 | |
| 2a00:9d00::/32 | 4.3B × /64 | RIPE NCC | 16th Feb 2011 | |
| 2a00:9d60::/32 | 4.3B × /64 | RIPE NCC | 11th Jun 2013 | |
| 2a00:9da0::/32 | 4.3B × /64 | RIPE NCC | 19th May 2015 | |
| 2a00:9dc0::/32 | 4.3B × /64 | RIPE NCC | 17th Feb 2012 | |
| 2a00:9e40::/32 | 4.3B × /64 | RIPE NCC | 17th Feb 2012 | |
| 2a00:9ec0::/32 | 4.3B × /64 | RIPE NCC | 17th Feb 2012 | |
| 2a00:9f20::/32 | 4.3B × /64 | RIPE NCC | 13th Jun 2013 | |
| 2a00:9f60::/32 | 4.3B × /64 | RIPE NCC | 14th Jun 2013 | |
| 2a00:9f80::/32 | 4.3B × /64 | RIPE NCC | 17th May 2011 | |
| 2a00:9fa0::/29 | 34.4B × /64 | RIPE NCC | 14th Jun 2013 | |
| 2a00:9fc0::/32 | 4.3B × /64 | RIPE NCC | 20th Feb 2012 | |
| 2a00:a020::/32 | 4.3B × /64 | RIPE NCC | 14th Jun 2013 | |
| 2a00:a060::/32 | 4.3B × /64 | RIPE NCC | 17th Jun 2013 | |
| 2a00:a100::/32 | 4.3B × /64 | RIPE NCC | 16th Feb 2011 | |
| 2a00:a120::/32 | 4.3B × /64 | RIPE NCC | 17th Jun 2013 | |
| 2a00:a180::/32 | 4.3B × /64 | RIPE NCC | 17th May 2011 | |
| 2a00:a1a0::/32 | 4.3B × /64 | RIPE NCC | 18th Jun 2013 |