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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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 APNIC, largest first.
Unannounced blocks registered through APNIC
22,514 blocks match, ordered by prefix.
| Prefix | Addresses | Registry | Country | Allocated |
|---|---|---|---|---|
| 64.70.224.0/19 | 8.2k | APNIC |  SG | 3rd Apr 2000 |
| 65.99.63.0/24 | 256 | APNIC |  JP | 2nd Aug 2004 |
| 68.65.228.0/22 | 1k | APNIC |  AU | 17th Sept 2008 |
| 68.65.232.0/21 | 2k | APNIC | AU | 17th Sept 2008 |
| 70.34.60.0/23 | 512 | APNIC |  IN | 12th Mar 2015 |
| 70.34.62.0/24 | 256 | APNIC | IN | 12th Mar 2015 |
| 81.203.0.0/16 | 65.5k | APNIC | JP | 12th Nov 2002 |
| 87.199.120.0/22 | 1k | APNIC |  HK | 28th Jun 2006 |
| 9.156.0.0/16 | 65.5k | APNIC |  TH | 16th Dec 1988 |
| 91.109.216.0/24 | 256 | APNIC |  AF | 19th Jun 2012 |
| 91.110.0.0/17 | 32.8k | APNIC | SG | 8th Aug 2006 |
| 91.204.80.0/24 | 256 | APNIC | AU | 4th Jun 2008 |
| 91.208.230.0/24 | 256 | APNIC |  NZ | 7th Nov 2019 |
| 91.85.0.0/19 | 8.2k | APNIC | SG | 31st Jul 2006 |