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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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 in India
2,757 blocks match, ordered by prefix.
| Prefix | Addresses | Registry | Country | Allocated |
|---|---|---|---|---|
| 103.236.204.0/22 | 1k | APNIC |  IN | 28th Aug 2015 |
| 103.236.208.0/22 | 1k | APNIC | IN | 28th Aug 2015 |
| 103.236.236.0/22 | 1k | APNIC | IN | 1st Sept 2015 |
| 103.237.135.0/24 | 256 | APNIC | IN | 16th Jul 2014 |
| 103.239.78.0/24 | 256 | APNIC | IN | 1st Aug 2014 |
| 103.24.36.0/22 | 1k | APNIC | IN | 10th Apr 2013 |
| 103.24.46.0/24 | 256 | APNIC | IN | 10th Apr 2013 |
| 103.240.26.0/23 | 512 | APNIC | IN | 20th Jul 2023 |
| 103.240.58.0/23 | 512 | APNIC | IN | 21st Jul 2023 |
| 103.241.132.0/22 | 1k | APNIC | IN | 2nd Sept 2013 |
| 103.243.236.0/24 | 256 | APNIC | IN | 18th Oct 2013 |
| 103.243.36.0/22 | 1k | APNIC | IN | 4th Oct 2013 |
| 103.244.20.0/23 | 512 | APNIC | IN | 27th Jul 2023 |
| 103.244.22.0/24 | 256 | APNIC | IN | 27th Jul 2023 |
| 103.244.24.0/23 | 512 | APNIC | IN | 27th Jul 2023 |
| 103.244.48.0/24 | 256 | APNIC | IN | 11th Dec 2012 |
| 103.244.94.0/23 | 512 | APNIC | IN | 28th Jul 2023 |
| 103.245.170.0/23 | 512 | APNIC | IN | 1st Aug 2023 |
| 103.246.187.0/24 | 256 | APNIC | IN | 10th Dec 2015 |
| 103.246.196.0/22 | 1k | APNIC | IN | 26th Aug 2011 |
| 103.246.212.0/22 | 1k | APNIC | IN | 29th Aug 2011 |
| 103.247.96.0/22 | 1k | APNIC | IN | 25th Jan 2012 |
| 103.248.52.0/22 | 1k | APNIC | IN | 12th Aug 2016 |
| 103.25.0.0/22 | 1k | APNIC | IN | 24th Apr 2013 |
| 103.25.224.0/22 | 1k | APNIC | IN | 8th May 2013 |
| 103.250.110.0/23 | 512 | APNIC | IN | 8th Aug 2023 |
| 103.250.112.0/22 | 1k | APNIC | IN | 17th Jul 2013 |
| 103.252.140.0/23 | 512 | APNIC | IN | 29th Oct 2013 |
| 103.252.243.0/24 | 256 | APNIC | IN | 14th Aug 2023 |
| 103.252.40.0/22 | 1k | APNIC | IN | 22nd Oct 2013 |
| 103.252.60.0/22 | 1k | APNIC | IN | 23rd Oct 2013 |
| 103.253.128.0/22 | 1k | APNIC | IN | 6th Jan 2016 |
| 103.253.52.0/22 | 1k | APNIC | IN | 11th Nov 2013 |
| 103.253.71.0/24 | 256 | APNIC | IN | 14th Nov 2013 |
| 103.254.200.0/22 | 1k | APNIC | IN | 11th Dec 2013 |
| 103.254.96.0/22 | 1k | APNIC | IN | 3rd Dec 2013 |
| 103.255.168.0/23 | 512 | APNIC | IN | 2nd Jan 2014 |
| 103.255.188.0/22 | 1k | APNIC | IN | 3rd Jan 2014 |
| 103.26.104.0/22 | 1k | APNIC | IN | 19th Jun 2013 |
| 103.26.168.0/24 | 256 | APNIC | IN | 21st Jun 2013 |
| 103.26.234.0/23 | 512 | APNIC | IN | 25th Jun 2013 |
| 103.27.168.0/22 | 1k | APNIC | IN | 4th Jul 2013 |
| 103.29.208.0/22 | 1k | APNIC | IN | 15th Aug 2011 |
| 103.29.232.0/22 | 1k | APNIC | IN | 19th Aug 2011 |
| 103.29.36.0/22 | 1k | APNIC | IN | 12th May 2011 |
| 103.29.80.0/23 | 512 | APNIC | IN | 31st Oct 2022 |
| 103.30.24.0/23 | 512 | APNIC | IN | 1st Nov 2022 |
| 103.35.100.0/22 | 1k | APNIC | IN | 14th Aug 2015 |
| 103.35.192.0/22 | 1k | APNIC | IN | 24th Aug 2015 |
| 103.35.196.0/22 | 1k | APNIC | IN | 24th Aug 2015 |