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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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.
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Countries with unannounced space registered through LACNIC, largest first.
Unannounced blocks registered through LACNIC
4,655 blocks match, ordered by prefix.
| Prefix | Addresses | Registry | Country | Allocated |
|---|---|---|---|---|
| 200.34.199.0/24 | 256 | LACNIC |  MX | 2nd Dec 1996 |
| 200.34.20.0/23 | 512 | LACNIC | MX | 16th Oct 1996 |
| 200.34.204.0/24 | 256 | LACNIC | MX | 13th Nov 1996 |
| 200.34.207.0/24 | 256 | LACNIC | MX | 17th Nov 1996 |
| 200.34.208.0/23 | 512 | LACNIC | MX | 17th Nov 1996 |
| 200.34.211.0/24 | 256 | LACNIC | MX | 19th Nov 1996 |
| 200.34.212.0/24 | 256 | LACNIC | MX | 20th Nov 1996 |
| 200.34.213.0/24 | 256 | LACNIC | MX | 24th Nov 1996 |
| 200.34.214.0/24 | 256 | LACNIC | MX | 26th Nov 1996 |
| 200.34.223.0/24 | 256 | LACNIC | MX | 26th Nov 1996 |
| 200.34.24.0/22 | 1k | LACNIC | MX | 31st Jul 1996 |
| 200.34.28.0/24 | 256 | LACNIC | MX | 31st Jul 1996 |
| 200.34.29.0/24 | 256 | LACNIC | MX | 26th Nov 1996 |
| 200.34.30.0/23 | 512 | LACNIC | MX | 26th Dec 1997 |
| 200.34.52.0/23 | 512 | LACNIC | MX | 8th Sept 1996 |
| 200.34.54.0/23 | 512 | LACNIC | MX | 23rd Jun 1997 |
| 200.34.56.0/22 | 1k | LACNIC | MX | 29th Oct 1996 |
| 200.34.60.0/24 | 256 | LACNIC | MX | 16th Oct 1996 |
| 200.34.62.0/24 | 256 | LACNIC | MX | 16th Oct 1996 |
| 200.34.63.0/24 | 256 | LACNIC | MX | 17th Oct 1996 |
| 200.35.192.0/19 | 8.2k | LACNIC |  VE | 13th Jul 2004 |
| 200.35.224.0/20 | 4.1k | LACNIC | VE | 4th Nov 2004 |
| 200.35.240.0/20 | 4.1k | LACNIC | VE | 4th Jul 2006 |
| 200.36.64.0/19 | 8.2k | LACNIC | MX | 8th Sept 1997 |
| 200.4.11.0/24 | 256 | LACNIC | MX | 23rd May 1995 |
| 200.4.12.0/23 | 512 | LACNIC | MX | 31st May 1995 |
| 200.4.14.0/23 | 512 | LACNIC | MX | 14th Jun 1995 |
| 200.4.32.0/20 | 4.1k | LACNIC | MX | 9th May 1995 |
| 200.4.52.0/24 | 256 | LACNIC | MX | 20th Jun 1995 |
| 200.4.53.0/24 | 256 | LACNIC | MX | 29th Aug 1995 |
| 200.4.54.0/24 | 256 | LACNIC | MX | 29th Aug 1995 |
| 200.4.55.0/24 | 256 | LACNIC | MX | 11th Sept 1995 |
| 200.4.58.0/24 | 256 | LACNIC | MX | 22nd Nov 1995 |
| 200.4.60.0/22 | 1k | LACNIC | MX | 22nd Nov 1995 |
| 200.4.64.0/22 | 1k | LACNIC | MX | 20th Jun 1995 |
| 200.4.72.0/21 | 2k | LACNIC | MX | 31st Oct 1995 |
| 200.4.9.0/24 | 256 | LACNIC | MX | 9th May 1995 |
| 200.47.208.0/21 | 2k | LACNIC |  AR | 15th Nov 2013 |
| 200.47.220.0/22 | 1k | LACNIC | AR | 15th Nov 2013 |
| 200.49.16.0/21 | 2k | LACNIC |  CL | 30th Jun 2006 |
| 200.5.10.0/24 | 256 | LACNIC | AR | 8th Apr 2010 |
| 200.5.9.0/24 | 256 | LACNIC |  BR | 19th May 2015 |
| 200.50.195.0/24 | 256 | LACNIC | BR | 4th Mar 2020 |
| 200.6.0.0/24 | 256 | LACNIC |  EC | 29th Jan 1993 |
| 200.6.1.0/24 | 256 | LACNIC | EC | 29th Jan 1993 |
| 200.6.11.0/24 | 256 | LACNIC | EC | 29th Jan 1993 |
| 200.6.12.0/24 | 256 | LACNIC | EC | 29th Jan 1993 |
| 200.6.15.0/24 | 256 | LACNIC | EC | 29th Jan 1993 |
| 200.6.16.0/24 | 256 | LACNIC | EC | 29th Jan 1993 |
| 200.6.19.0/24 | 256 | LACNIC | EC | 2nd Feb 1993 |