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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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 unannounced space registered through RIPE NCC, largest first.

Unannounced blocks registered through RIPE NCC

25,273 blocks match, ordered by prefix.

Allocated but unannounced blocks, 20701 to 20750 of 25273
PrefixAddressesRegistryCountryAllocated
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
2a12:9900::/2934.4B × /64RIPE NCCSC15th Nov 2021
2a12:9980::/2934.4B × /64RIPE NCCNL25th Nov 2021
2a12:9a00::/2934.4B × /64RIPE NCCSC8th Nov 2021
2a12:9b40::/324.3B × /64RIPE NCCFR10th Mar 2022
2a12:9c0::/2934.4B × /64RIPE NCCRU14th Dec 2021
2a12:9c40::/2934.4B × /64RIPE NCCGB10th Mar 2022
2a12:9d40::/2934.4B × /64RIPE NCCEE11th Mar 2022