subnet.im

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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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 the most unannounced blocks, largest first.

Unannounced blocks

85,392 blocks match, ordered by prefix.

Allocated but unannounced blocks, 41101 to 41150 of 85392
PrefixAddressesRegistryCountryAllocated
2001:df5:3440::/4865.5k × /64APNICBD10th Mar 2025
2001:df5:3480::/4865.5k × /64APNICIN28th Oct 2020
2001:df5:34c0::/4865.5k × /64APNICID10th Mar 2025
2001:df5:3500::/4865.5k × /64APNICAU23rd May 2018
2001:df5:3700::/4865.5k × /64APNICID23rd May 2018
2001:df5:3740::/4865.5k × /64APNICID11th Mar 2025
2001:df5:3800::/4865.5k × /64APNICIN25th Apr 2014
2001:df5:38c0::/4865.5k × /64APNICIN11th Mar 2025
2001:df5:3900::/4865.5k × /64APNICID23rd May 2018
2001:df5:3940::/4865.5k × /64APNICPK12th Mar 2025
2001:df5:3980::/4865.5k × /64APNICNZ30th Oct 2020
2001:df5:39c0::/4865.5k × /64APNICNP13th Mar 2025
2001:df5:3a40::/4865.5k × /64APNICID13th Mar 2025
2001:df5:3a80::/4865.5k × /64APNICBD1st Nov 2020
2001:df5:3ac0::/4865.5k × /64APNICID13th Mar 2025
2001:df5:3b00::/4865.5k × /64APNICIN24th May 2018
2001:df5:3b40::/4865.5k × /64APNICID13th Mar 2025
2001:df5:3c40::/4865.5k × /64APNICPH13th Mar 2025
2001:df5:3c80::/4865.5k × /64APNICAU3rd Nov 2020
2001:df5:3cc0::/4865.5k × /64APNICAU14th Mar 2025
2001:df5:3d00::/4865.5k × /64APNICIN24th May 2018
2001:df5:3d80::/4865.5k × /64APNICID3rd Nov 2020
2001:df5:3dc0::/4865.5k × /64APNICID14th Mar 2025
2001:df5:3e00::/4865.5k × /64APNICID20th Sept 2016
2001:df5:3e80::/4865.5k × /64APNICID3rd Nov 2020
2001:df5:3ec0::/4865.5k × /64APNICID14th Mar 2025
2001:df5:3f00::/4865.5k × /64APNICAU25th May 2018
2001:df5:3f40::/4865.5k × /64APNICNP15th Mar 2025
2001:df5:3fc0::/4865.5k × /64APNICPK16th Mar 2025
2001:df5:4080::/4865.5k × /64APNICIN3rd Nov 2020
2001:df5:40c0::/4865.5k × /64APNICIN17th Mar 2025
2001:df5:4100::/4865.5k × /64APNICUS28th May 2018
2001:df5:4140::/4865.5k × /64APNICIN17th Mar 2025
2001:df5:4180::/4865.5k × /64APNICAU4th Nov 2020
2001:df5:41c0::/4865.5k × /64APNICHK17th Mar 2025
2001:df5:4200::/4865.5k × /64APNICID20th Sept 2016
2001:df5:4280::/4865.5k × /64APNICIN4th Nov 2020
2001:df5:42c0::/4865.5k × /64APNICID18th Mar 2025
2001:df5:43c0::/4865.5k × /64APNICVN19th Mar 2025
2001:df5:4580::/4865.5k × /64APNICIN4th Nov 2020
2001:df5:45c0::/4865.5k × /64APNICIN20th Mar 2025
2001:df5:4600::/4865.5k × /64APNICSG21st Sept 2016
2001:df5:4640::/4865.5k × /64APNICIN20th Mar 2025
2001:df5:4680::/4865.5k × /64APNICBD4th Nov 2020
2001:df5:46c0::/4865.5k × /64APNICID20th Mar 2025
2001:df5:4700::/4865.5k × /64APNICIN29th May 2018
2001:df5:4740::/4865.5k × /64APNICCN21st Mar 2025
2001:df5:4780::/4865.5k × /64APNICAU5th Nov 2020
2001:df5:4800::/4865.5k × /64APNICBN28th Apr 2014
2001:df5:480::/4865.5k × /64APNICMM7th Oct 2020