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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

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Countries with the most unannounced blocks, largest first.

Unannounced blocks

85,356 blocks match, ordered by prefix.

Allocated but unannounced blocks, 38801 to 38850 of 85356
PrefixAddressesRegistryCountryAllocated
2001:df1:af00::/4865.5k × /64APNICAU22nd Jun 2017
2001:df1:afc0::/4865.5k × /64APNICIN14th Dec 2022
2001:df1:b000::/4865.5k × /64APNICTH26th Aug 2013
2001:df1:b00::/4865.5k × /64APNICPG26th Apr 2017
2001:df1:b0c0::/4865.5k × /64APNICHK14th Dec 2022
2001:df1:b100::/4865.5k × /64APNICID22nd Jun 2017
2001:df1:b140::/4865.5k × /64APNICIN14th Dec 2022
2001:df1:b200::/4865.5k × /64APNICIE14th Apr 2016
2001:df1:b280::/4865.5k × /64APNICIN16th Oct 2019
2001:df1:b300::/4865.5k × /64APNICID22nd Jun 2017
2001:df1:b340::/4865.5k × /64APNICPK18th Dec 2022
2001:df1:b380::/4865.5k × /64APNICLK16th Oct 2019
2001:df1:b40::/4865.5k × /64APNICMY26th Jul 2022
2001:df1:b440::/4865.5k × /64APNICIN19th Dec 2022
2001:df1:b480::/4865.5k × /64APNICID17th Oct 2019
2001:df1:b4c0::/4865.5k × /64APNICBD19th Dec 2022
2001:df1:b540::/4865.5k × /64APNICBD20th Dec 2022
2001:df1:b580::/4865.5k × /64APNICID17th Oct 2019
2001:df1:b5c0::/4865.5k × /64APNICID20th Dec 2022
2001:df1:b600::/4865.5k × /64APNICNZ14th Apr 2016
2001:df1:b640::/4865.5k × /64APNICPK20th Dec 2022
2001:df1:b680::/4865.5k × /64APNICID17th Oct 2019
2001:df1:b700::/4865.5k × /64APNICIN23rd Jun 2017
2001:df1:b740::/4865.5k × /64APNICID22nd Dec 2022
2001:df1:b780::/4865.5k × /64APNICID17th Oct 2019
2001:df1:b7c0::/4865.5k × /64APNICNP22nd Dec 2022
2001:df1:b800::/4865.5k × /64APNICAU9th Jan 2014
2001:df1:b840::/4865.5k × /64APNICIN22nd Dec 2022
2001:df1:b880::/4865.5k × /64APNICID17th Oct 2019
2001:df1:b8c0::/4865.5k × /64APNICIN23rd Dec 2022
2001:df1:b940::/4865.5k × /64APNICIN23rd Dec 2022
2001:df1:bb00::/4865.5k × /64APNICIN23rd Jun 2017
2001:df1:bb40::/4865.5k × /64APNICMY27th Dec 2022
2001:df1:bbc0::/4865.5k × /64APNICBD28th Dec 2022
2001:df1:bc40::/4865.5k × /64APNICBD28th Dec 2022
2001:df1:bdc0::/4865.5k × /64APNICPG28th Dec 2022
2001:df1:be01::/4865.5k × /64APNICAU19th Nov 2025
2001:df1:be40::/4865.5k × /64APNICID28th Dec 2022
2001:df1:be80::/4865.5k × /64APNICBD22nd Oct 2019
2001:df1:c0::/4865.5k × /64APNICPK17th Jul 2022
2001:df1:c0c0::/4865.5k × /64APNICBD29th Dec 2022
2001:df1:c100::/4865.5k × /64APNICAU27th Jun 2017
2001:df1:c140::/4865.5k × /64APNICIN29th Dec 2022
2001:df1:c180::/4865.5k × /64APNICAU24th Oct 2019
2001:df1:c1c0::/4865.5k × /64APNICID29th Dec 2022
2001:df1:c200::/4865.5k × /64APNICFR18th Apr 2016
2001:df1:c280::/4865.5k × /64APNICNZ24th Oct 2019
2001:df1:c300::/4865.5k × /64APNICAU27th Jun 2017
2001:df1:c340::/4865.5k × /64APNICBD3rd Jan 2023
2001:df1:c380::/4865.5k × /64APNICID24th Oct 2019