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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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
4,567 blocks match, ordered by prefix.
| Prefix | Addresses | Registry | Country | Allocated |
|---|---|---|---|---|
| 2801:12:6000::/48 | 65.5k × /64 | LACNIC | 20th Oct 2014 | |
| 2801:12:6800::/48 | 65.5k × /64 | LACNIC | 4th Dec 2020 | |
| 2801:12:8000::/48 | 65.5k × /64 | LACNIC | 15th Apr 2013 | |
| 2801:12:800::/48 | 65.5k × /64 | LACNIC | 18th Jan 2019 | |
| 2801:12:8400::/48 | 65.5k × /64 | LACNIC | 30th Mar 2026 | |
| 2801:12:8800::/48 | 65.5k × /64 | LACNIC | 20th Jun 2019 | |
| 2801:12:9000::/48 | 65.5k × /64 | LACNIC | 18th Mar 2016 | |
| 2801:12::/48 | 65.5k × /64 | LACNIC | 8th Nov 2012 | |
| 2801:12:a800::/48 | 65.5k × /64 | LACNIC | 9th Sept 2020 | |
| 2801:12:b800::/48 | 65.5k × /64 | LACNIC | 16th Aug 2023 | |
| 2801:12:c000::/48 | 65.5k × /64 | LACNIC | 23rd Dec 2013 | |
| 2801:12:d800::/48 | 65.5k × /64 | LACNIC | 7th Nov 2025 | |
| 2801:12:f000::/48 | 65.5k × /64 | LACNIC | 12th Jul 2018 | |
| 2801:12:f800::/48 | 65.5k × /64 | LACNIC | 17th Dec 2024 | |
| 2801:131::/44 | 1M × /64 | LACNIC | 7th Mar 2022 | |
| 2801:132::/44 | 1M × /64 | LACNIC | 6th Jan 2020 | |
| 2801:134:10::/44 | 1M × /64 | LACNIC | 11th Apr 2018 | |
| 2801:134::/44 | 1M × /64 | LACNIC | 11th Apr 2018 | |
| 2801:138::/40 | 16.8M × /64 | LACNIC | 1st Aug 2016 | |
| 2801:139::/44 | 1M × /64 | LACNIC | 7th Feb 2023 | |
| 2801:13:1000::/48 | 65.5k × /64 | LACNIC | 22nd Dec 2015 | |
| 2801:13:1800::/48 | 65.5k × /64 | LACNIC | 13th Dec 2021 | |
| 2801:13:2000::/48 | 65.5k × /64 | LACNIC | 27th Jun 2014 | |
| 2801:13:3000::/48 | 65.5k × /64 | LACNIC | 31st Jul 2017 | |
| 2801:13:3800::/48 | 65.5k × /64 | LACNIC | 19th Apr 2023 | |
| 2801:13:4000::/48 | 65.5k × /64 | LACNIC | 1st Oct 2013 | |
| 2801:13:400::/48 | 65.5k × /64 | LACNIC | 29th Dec 2025 | |
| 2801:13:5000::/48 | 65.5k × /64 | LACNIC | 21st Nov 2016 | |
| 2801:13:5800::/48 | 65.5k × /64 | LACNIC | 23rd Sept 2022 | |
| 2801:13:800::/48 | 65.5k × /64 | LACNIC | 16th May 2019 | |
| 2801:13:8800::/48 | 65.5k × /64 | LACNIC | 21st Aug 2019 | |
| 2801:13:9000::/48 | 65.5k × /64 | LACNIC | 5th Jul 2016 | |
| 2801:13::/48 | 65.5k × /64 | LACNIC | 28th Feb 2013 | |
| 2801:13:a000::/48 | 65.5k × /64 | LACNIC | 9th Sept 2014 | |
| 2801:13:d000::/48 | 65.5k × /64 | LACNIC | 29th Mar 2017 | |
| 2801:13:d800::/44 | 1M × /64 | LACNIC | 18th May 2023 | |
| 2801:13:e000::/48 | 65.5k × /64 | LACNIC | 24th Jul 2015 | |
| 2801:13:f000::/48 | 65.5k × /64 | LACNIC | 28th Sept 2018 | |
| 2801:13d::/40 | 16.8M × /64 | LACNIC | 18th Aug 2026 | |
| 2801:141::/44 | 1M × /64 | LACNIC | 13th Aug 2021 | |
| 2801:14:1000::/48 | 65.5k × /64 | LACNIC | 4th Sept 2015 | |
| 2801:14:1800::/48 | 65.5k × /64 | LACNIC | 24th Aug 2021 | |
| 2801:14:2800::/48 | 65.5k × /64 | LACNIC | 9th Mar 2020 | |
| 2801:14:3000::/48 | 65.5k × /64 | LACNIC | 7th Apr 2017 | |
| 2801:14:400::/48 | 65.5k × /64 | LACNIC | 23rd Apr 2025 | |
| 2801:14:4400::/48 | 65.5k × /64 | LACNIC | 28th Oct 2026 | |
| 2801:14:5000::/48 | 65.5k × /64 | LACNIC | 5th Sept 2016 | |
| 2801:14:6000::/48 | 65.5k × /64 | LACNIC | 10th Oct 2014 | |
| 2801:14:7000::/48 | 65.5k × /64 | LACNIC | 5th Feb 2018 | |
| 2801:14:7800::/48 | 65.5k × /64 | LACNIC | 5th Jan 2024 |