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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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, 76751 to 76800 of 85001
PrefixAddressesRegistryCountryAllocated
2a12:8000::/2934.4B × /64RIPE NCCTR28th Oct 2021
2a12:800::/2934.4B × /64RIPE NCCZA29th Oct 2021
2a12:8080::/2934.4B × /64RIPE NCCNL25th Nov 2021
2a12:8180::/2934.4B × /64RIPE NCCSC25th Nov 2021
2a12:8240::/2934.4B × /64RIPE NCCJE18th Feb 2022
2a12:8280::/2934.4B × /64RIPE NCCNL25th Nov 2021
2a12:8300::/2934.4B × /64RIPE NCCSC12th Nov 2021
2a12:8500::/2934.4B × /64RIPE NCCNL15th Nov 2021
2a12:8580::/2934.4B × /64RIPE NCCHK25th Nov 2021
2a12:85c0::/2934.4B × /64RIPE NCCKZ18th Feb 2022
2a12:8600::/2934.4B × /64RIPE NCCSC8th Nov 2021
2a12:8680::/2934.4B × /64RIPE NCCSC25th Nov 2021
2a12:8700::/2934.4B × /64RIPE NCCSC15th Nov 2021
2a12:8740::/2934.4B × /64RIPE NCCTR2nd Mar 2026
2a12:87c0::/2934.4B × /64RIPE NCCCH21st Feb 2022
2a12:8840::/2934.4B × /64RIPE NCCIR21st Feb 2022
2a12:8880::/2934.4B × /64RIPE NCCSC25th Nov 2021
2a12:88c0::/2934.4B × /64RIPE NCCGB22nd Feb 2022
2a12:8900::/2934.4B × /64RIPE NCCDK15th Nov 2021
2a12:8940::/2934.4B × /64RIPE NCCTR31st Mar 2026
2a12:8980::/2934.4B × /64RIPE NCCDE25th Nov 2021
2a12:8a80::/2934.4B × /64RIPE NCCES3rd Mar 2026
2a12:8b00::/2934.4B × /64RIPE NCCSC15th Nov 2021
2a12:8b80::/324.3B × /64RIPE NCCAT3rd Mar 2026
2a12:8bc0::/2934.4B × /64RIPE NCCAZ23rd Feb 2022
2a12:8c0::/2934.4B × /64RIPE NCCGR13th Dec 2021
2a12:8c40::/2934.4B × /64RIPE NCCRU24th Feb 2022
2a12:8cc0::/2934.4B × /64RIPE NCCRU24th Feb 2022
2a12:8d80::/2934.4B × /64RIPE NCCSC25th Nov 2021
2a12:8e00::/2934.4B × /64RIPE NCCSC8th Nov 2021
2a12:8f80::/2934.4B × /64RIPE NCCSC25th Nov 2021
2a12:9000::/2934.4B × /64RIPE NCCLV29th Oct 2021
2a12:9040::/2934.4B × /64RIPE NCCTR28th Feb 2022
2a12:9100::/2934.4B × /64RIPE NCCSC15th Nov 2021
2a12:9280::/2934.4B × /64RIPE NCCNL25th Nov 2021
2a12:92c0::/2934.4B × /64RIPE NCCRU1st Mar 2022
2a12:9340::/2934.4B × /64RIPE NCCIR1st Mar 2022
2a12:9380::/2934.4B × /64RIPE NCCNL25th Nov 2021
2a12:93c0::/2934.4B × /64RIPE NCCIR2nd Mar 2022
2a12:9400::/2934.4B × /64RIPE NCCRU2nd Nov 2021
2a12:9480::/2934.4B × /64RIPE NCCSC25th Nov 2021
2a12:9540::/2934.4B × /64RIPE NCCGB7th Mar 2022
2a12:95c0::/2934.4B × /64RIPE NCCIT7th Mar 2022
2a12:9600::/2934.4B × /64RIPE NCCSC8th Nov 2021
2a12:9640::/2934.4B × /64RIPE NCCAT8th Mar 2022
2a12:9680::/2934.4B × /64RIPE NCCFR25th Nov 2021
2a12:980::/2934.4B × /64RIPE NCCNL18th Nov 2021
2a12:9840::/2934.4B × /64RIPE NCCIL9th Mar 2022
2a12:9880::/2934.4B × /64RIPE NCCNL25th Nov 2021
2a12:98c0::/324.3B × /64RIPE NCCPL9th Mar 2022