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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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 the most unannounced blocks, largest first.
Unannounced blocks in Indonesia
2,838 blocks match, ordered by prefix.
| Prefix | Addresses | Registry | Country | Allocated |
|---|---|---|---|---|
| 103.52.7.0/24 | 256 | APNIC |  ID | 5th Mar 2015 |
| 103.53.188.0/22 | 1k | APNIC | ID | 25th Mar 2015 |
| 103.54.2.0/23 | 512 | APNIC | ID | 31st Mar 2015 |
| 103.54.82.0/23 | 512 | APNIC | ID | 14th Dec 2022 |
| 103.55.56.0/23 | 512 | APNIC | ID | 16th Apr 2015 |
| 103.56.136.0/23 | 512 | APNIC | ID | 21st Dec 2022 |
| 103.56.138.0/23 | 512 | APNIC | ID | 21st Dec 2022 |
| 103.57.192.0/22 | 1k | APNIC | ID | 20th May 2015 |
| 103.58.147.0/24 | 256 | APNIC | ID | 27th May 2015 |
| 103.58.198.0/23 | 512 | APNIC | ID | 23rd Dec 2022 |
| 103.6.0.0/23 | 512 | APNIC | ID | 14th Feb 2012 |
| 103.6.118.0/24 | 256 | APNIC | ID | 28th Feb 2012 |
| 103.6.180.0/24 | 256 | APNIC | ID | 2nd Mar 2012 |
| 103.6.34.0/24 | 256 | APNIC | ID | 16th Feb 2012 |
| 103.6.36.0/22 | 1k | APNIC | ID | 16th Feb 2012 |
| 103.61.232.0/23 | 512 | APNIC | ID | 30th Dec 2022 |
| 103.61.41.0/24 | 256 | APNIC | ID | 23rd Jun 2015 |
| 103.62.196.0/23 | 512 | APNIC | ID | 8th Jul 2015 |
| 103.63.191.0/24 | 256 | APNIC | ID | 27th Sept 2022 |
| 103.66.36.0/24 | 256 | APNIC | ID | 28th Sept 2022 |
| 103.67.216.0/24 | 256 | APNIC | ID | 27th Jun 2016 |
| 103.67.86.0/23 | 512 | APNIC | ID | 23rd Oct 2023 |
| 103.69.232.0/24 | 256 | APNIC | ID | 21st Jul 2016 |
| 103.69.60.0/23 | 512 | APNIC | ID | 16th Jan 2023 |
| 103.7.173.0/24 | 256 | APNIC | ID | 28th Mar 2012 |
| 103.7.178.0/23 | 512 | APNIC | ID | 29th Mar 2012 |
| 103.7.228.0/22 | 1k | APNIC | ID | 3rd Apr 2012 |
| 103.71.188.0/24 | 256 | APNIC | ID | 7th Oct 2022 |
| 103.71.240.0/23 | 512 | APNIC | ID | 15th Aug 2016 |
| 103.71.44.0/23 | 512 | APNIC | ID | 8th Aug 2016 |
| 103.74.12.0/23 | 512 | APNIC | ID | 2nd Sept 2016 |
| 103.74.165.0/24 | 256 | APNIC | ID | 8th Sept 2016 |
| 103.74.212.0/23 | 512 | APNIC | ID | 9th Sept 2016 |
| 103.74.6.0/23 | 512 | APNIC | ID | 2nd Sept 2016 |
| 103.75.136.0/23 | 512 | APNIC | ID | 24th Jan 2023 |
| 103.75.168.0/22 | 1k | APNIC | ID | 20th Sept 2016 |
| 103.75.232.0/22 | 1k | APNIC | ID | 23rd Sept 2016 |
| 103.76.104.0/23 | 512 | APNIC | ID | 11th Sept 2023 |
| 103.76.132.0/22 | 1k | APNIC | ID | 3rd Oct 2016 |
| 103.77.156.0/22 | 1k | APNIC | ID | 21st Oct 2016 |
| 103.77.248.0/22 | 1k | APNIC | ID | 27th Oct 2016 |
| 103.78.100.0/23 | 512 | APNIC | ID | 1st Nov 2016 |
| 103.78.104.0/23 | 512 | APNIC | ID | 1st Nov 2016 |
| 103.78.110.0/24 | 256 | APNIC | ID | 2nd Nov 2016 |
| 103.78.144.0/22 | 1k | APNIC | ID | 4th Nov 2016 |
| 103.78.232.0/22 | 1k | APNIC | ID | 9th Nov 2016 |
| 103.78.240.0/24 | 256 | APNIC | ID | 21st Oct 2022 |
| 103.79.130.0/23 | 512 | APNIC | ID | 31st Jan 2023 |
| 103.8.122.0/24 | 256 | APNIC | ID | 26th Apr 2012 |
| 103.8.244.0/22 | 1k | APNIC | ID | 2nd May 2012 |