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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

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Countries with the most unannounced blocks, largest first.

Unannounced blocks

85,001 blocks match, ordered by prefix.

Allocated but unannounced blocks, 76601 to 76650 of 85001
PrefixAddressesRegistryCountryAllocated
2a12:3180::/2934.4B × /64RIPE NCCSC22nd Nov 2021
2a12:31c0::/2934.4B × /64RIPE NCCSC28th Dec 2021
2a12:3280::/324.3B × /64RIPE NCCAM22nd Nov 2021
2a12:3340::/2934.4B × /64RIPE NCCSC28th Dec 2021
2a12:3380::/2934.4B × /64RIPE NCCLT22nd Nov 2021
2a12:3480::/2934.4B × /64RIPE NCCDE22nd Nov 2021
2a12:3500::/2934.4B × /64RIPE NCCSC11th Nov 2021
2a12:3680::/324.3B × /64RIPE NCCGB22nd Nov 2021
2a12:36c0::/2934.4B × /64RIPE NCCNL3rd Jan 2022
2a12:3740::/2934.4B × /64RIPE NCCRU3rd Jan 2022
2a12:3780::/2934.4B × /64RIPE NCCRU22nd Nov 2021
2a12:37c0::/2934.4B × /64RIPE NCCIT23rd Feb 2026
2a12:3800::/2934.4B × /64RIPE NCCRU29th Oct 2021
2a12:3840::/2934.4B × /64RIPE NCCIR4th Jan 2022
2a12:3880::/324.3B × /64RIPE NCCKZ22nd Nov 2021
2a12:3900::/2934.4B × /64RIPE NCCLT11th Nov 2021
2a12:3980::/2934.4B × /64RIPE NCCAT16th Dec 2025
2a12:3a00::/2934.4B × /64RIPE NCCNL4th Nov 2021
2a12:3a40::/324.3B × /64RIPE NCCSE23rd Feb 2026
2a12:3c40::/2934.4B × /64RIPE NCCCY5th Jan 2022
2a12:3e00::/2934.4B × /64RIPE NCCGB4th Nov 2021
2a12:3e40::/2934.4B × /64RIPE NCCNL5th Jan 2022
2a12:3ec0::/2934.4B × /64RIPE NCCIR5th Jan 2022
2a12:3f80::/2934.4B × /64RIPE NCCLT22nd Nov 2021
2a12:400::/2934.4B × /64RIPE NCCSC2nd Nov 2021
2a12:4080::/2934.4B × /64RIPE NCCTR22nd Nov 2021
2a12:40::/2934.4B × /64RIPE NCCSC10th Dec 2021
2a12:4100::/2934.4B × /64RIPE NCCSC11th Nov 2021
2a12:4280::/2934.4B × /64RIPE NCCSC22nd Nov 2021
2a12:4300::/2934.4B × /64RIPE NCCRU11th Nov 2021
2a12:4380::/2934.4B × /64RIPE NCCSC22nd Nov 2021
2a12:43c0::/2934.4B × /64RIPE NCCGB6th Jan 2022
2a12:4400::/2934.4B × /64RIPE NCCSC2nd Nov 2021
2a12:4580::/2934.4B × /64RIPE NCCSC22nd Nov 2021
2a12:45c0::/2934.4B × /64RIPE NCCUS7th Jan 2022
2a12:46c0::/2934.4B × /64RIPE NCCRU7th Jan 2022
2a12:4780::/324.3B × /64RIPE NCCAT22nd Nov 2021
2a12:47c0::/2934.4B × /64RIPE NCCTR7th Jan 2022
2a12:4800::/2934.4B × /64RIPE NCCRU29th Oct 2021
2a12:480::/2934.4B × /64RIPE NCCRU18th Nov 2021
2a12:4880::/2934.4B × /64RIPE NCCDE22nd Nov 2021
2a12:4900::/2934.4B × /64RIPE NCCZA11th Nov 2021
2a12:4a00::/2934.4B × /64RIPE NCCSC5th Nov 2021
2a12:4a40::/2934.4B × /64RIPE NCCUA10th Jan 2022
2a12:4a80::/2934.4B × /64RIPE NCCRO22nd Nov 2021
2a12:4b40::/2934.4B × /64RIPE NCCCY10th Jan 2022
2a12:4b80::/2934.4B × /64RIPE NCCLB22nd Nov 2021
2a12:4e40::/2934.4B × /64RIPE NCCSC11th Jan 2022
2a12:4ec0::/2934.4B × /64RIPE NCCSC11th Jan 2022
2a12:4f40::/2934.4B × /64RIPE NCCSC11th Jan 2022