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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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 APNIC, largest first.
Unannounced blocks in Hong Kong SAR China
766 blocks match, ordered by prefix.
| Prefix | Addresses | Registry | Country | Allocated |
|---|---|---|---|---|
| 45.123.112.0/22 | 1k | APNIC |  HK | 15th Jul 2015 |
| 45.124.112.0/22 | 1k | APNIC | HK | 23rd Jul 2015 |
| 45.124.160.0/22 | 1k | APNIC | HK | 27th Jul 2015 |
| 45.125.160.0/22 | 1k | APNIC | HK | 5th Aug 2015 |
| 45.126.240.0/22 | 1k | APNIC | HK | 10th Sept 2015 |
| 45.249.63.0/24 | 256 | APNIC | HK | 12th Aug 2026 |
| 45.254.252.0/22 | 1k | APNIC | HK | 7th Jun 2016 |
| 45.65.32.0/22 | 1k | APNIC | HK | 7th Mar 2016 |
| 58.96.160.0/19 | 8.2k | APNIC | HK | 16th Dec 2010 |
| 59.153.196.0/22 | 1k | APNIC | HK | 21st Oct 2015 |
| 59.153.56.0/22 | 1k | APNIC | HK | 15th Oct 2015 |
| 61.47.88.0/21 | 2k | APNIC | HK | 1st Mar 2005 |
| 79.109.16.0/20 | 4.1k | APNIC | HK | 3rd Dec 2007 |
| 79.109.2.0/23 | 512 | APNIC | HK | 3rd Dec 2007 |
| 86.106.124.0/22 | 1k | APNIC | HK | 18th Apr 2005 |
| 87.199.120.0/22 | 1k | APNIC | HK | 28th Jun 2006 |