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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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
22,580 blocks match, ordered by prefix.
| Prefix | Addresses | Registry | Country | Allocated |
|---|---|---|---|---|
| 124.242.0.0/16 | 65.5k | APNIC |  CN | 2nd May 2006 |
| 124.249.0.0/16 | 65.5k | APNIC | CN | 23rd May 2006 |
| 124.26.0.0/15 | 131k | APNIC |  JP | 14th Mar 2006 |
| 124.40.112.0/20 | 4.1k | APNIC | CN | 24th Sept 2007 |
| 124.40.192.0/19 | 8.2k | APNIC | CN | 12th Apr 2011 |
| 124.40.240.0/22 | 1k | APNIC | CN | 29th Oct 2015 |
| 124.42.128.0/17 | 32.8k | APNIC | CN | 18th Oct 2007 |
| 124.6.64.0/18 | 16.4k | APNIC | CN | 12th Dec 2005 |
| 124.66.160.0/21 | 2k | APNIC |  ID | 1st Nov 2006 |
| 124.68.64.0/18 | 16.4k | APNIC | CN | 16th Aug 2006 |
| 124.69.0.0/16 | 65.5k | APNIC | CN | 16th Aug 2006 |
| 125.169.0.0/16 | 65.5k | APNIC | CN | 20th Mar 2007 |
| 125.171.0.0/16 | 65.5k | APNIC | CN | 26th Sept 2005 |
| 125.236.0.0/19 | 8.2k | APNIC |  NZ | 20th Oct 2005 |
| 125.236.34.0/24 | 256 | APNIC | NZ | 20th Oct 2005 |
| 125.236.35.0/24 | 256 | APNIC | NZ | 20th Oct 2005 |
| 125.236.36.0/22 | 1k | APNIC | NZ | 20th Oct 2005 |
| 125.236.46.0/23 | 512 | APNIC | NZ | 20th Oct 2005 |
| 125.236.96.0/19 | 8.2k | APNIC | NZ | 20th Oct 2005 |
| 125.253.144.0/20 | 4.1k | APNIC |  US | 5th Dec 2005 |
| 125.254.192.0/18 | 16.4k | APNIC | CN | 10th Jan 2007 |
| 125.3.192.0/21 | 2k | APNIC |  SG | 25th Nov 2005 |
| 125.31.192.0/18 | 16.4k | APNIC | CN | 27th Aug 2005 |
| 125.58.0.0/18 | 16.4k | APNIC |  VN | 11th Apr 2011 |
| 125.6.64.0/19 | 8.2k | APNIC | JP | 4th Aug 2005 |
| 125.6.96.0/20 | 4.1k | APNIC | JP | 4th Aug 2005 |
| 125.60.96.0/19 | 8.2k | APNIC |  KR | 2nd Sept 2005 |
| 125.61.128.0/17 | 32.8k | APNIC | CN | 12th Nov 2007 |
| 125.62.240.0/20 | 4.1k | APNIC | JP | 10th Oct 2007 |
| 125.62.92.0/22 | 1k | APNIC | ID | 14th Dec 2017 |
| 125.63.48.0/20 | 4.1k | APNIC |  AU | 17th Jan 2011 |
| 125.96.0.0/15 | 131k | APNIC | CN | 22nd Aug 2005 |
| 126.188.0.0/15 | 131k | APNIC | JP | 8th Feb 2005 |
| 126.209.192.0/19 | 8.2k | APNIC | JP | 8th Feb 2005 |
| 126.231.0.0/16 | 65.5k | APNIC | US | 8th Feb 2005 |
| 126.242.0.0/15 | 131k | APNIC | US | 8th Feb 2005 |
| 126.52.100.0/22 | 1k | APNIC | JP | 8th Feb 2005 |
| 126.52.104.0/21 | 2k | APNIC | JP | 8th Feb 2005 |
| 126.52.112.0/20 | 4.1k | APNIC | JP | 8th Feb 2005 |
| 126.52.160.0/19 | 8.2k | APNIC | JP | 8th Feb 2005 |
| 126.52.192.0/18 | 16.4k | APNIC | JP | 8th Feb 2005 |
| 126.52.24.0/22 | 1k | APNIC | JP | 8th Feb 2005 |
| 126.52.28.0/22 | 1k | APNIC | JP | 8th Feb 2005 |
| 126.52.64.0/19 | 8.2k | APNIC | JP | 8th Feb 2005 |
| 126.52.96.0/22 | 1k | APNIC | JP | 8th Feb 2005 |
| 129.136.0.0/16 | 65.5k | APNIC | JP | 11th Dec 1987 |
| 130.195.224.0/20 | 4.1k | APNIC | AU | 26th Sept 1988 |
| 130.195.248.0/24 | 256 | APNIC | NZ | 26th Sept 1988 |
| 130.195.53.0/24 | 256 | APNIC | NZ | 26th Sept 1988 |
| 130.26.0.0/16 | 65.5k | APNIC |  IN | 28th Apr 1988 |