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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

2,085 blocks match, ordered by prefix.

Allocated but unannounced blocks, 1651 to 1700 of 2085
PrefixAddressesRegistryCountryAllocated
2a12:7980::/2934.4B × /64RIPE NCCRU25th Nov 2021
2a12:7f40::/2934.4B × /64RIPE NCCRU17th Feb 2022
2a12:8800::/2934.4B × /64RIPE NCCRU29th Oct 2021
2a12:8c40::/2934.4B × /64RIPE NCCRU24th Feb 2022
2a12:8cc0::/2934.4B × /64RIPE NCCRU24th Feb 2022
2a12:92c0::/2934.4B × /64RIPE NCCRU1st Mar 2022
2a12:9400::/2934.4B × /64RIPE NCCRU2nd Nov 2021
2a12:9700::/2934.4B × /64RIPE NCCRU15th Nov 2021
2a12:9c0::/2934.4B × /64RIPE NCCRU14th Dec 2021
2a12:9e00::/2934.4B × /64RIPE NCCRU8th Nov 2021
2a12:a340::/2934.4B × /64RIPE NCCRU14th Mar 2022
2a12:afc0::/2934.4B × /64RIPE NCCRU18th Mar 2022
2a12:ba40::/2934.4B × /64RIPE NCCRU30th Mar 2022
2a12:bbc0::/2934.4B × /64RIPE NCCRU31st Mar 2022
2a12:c180::/2934.4B × /64RIPE NCCRU1st Dec 2021
2a12:c2c0::/2934.4B × /64RIPE NCCRU6th Apr 2022
2a12:c300::/2934.4B × /64RIPE NCCRU16th Nov 2021
2a12:c5c0::/2934.4B × /64RIPE NCCRU7th Apr 2022
2a12:d2c0::/2934.4B × /64RIPE NCCRU22nd Apr 2022
2a12:d740::/2934.4B × /64RIPE NCCRU25th Apr 2022
2a12:d780::/2934.4B × /64RIPE NCCRU5th Mar 2026
2a12:dcc0::/2934.4B × /64RIPE NCCRU28th Apr 2022
2a12:e840::/2934.4B × /64RIPE NCCRU6th Nov 2026
2a12:ebc0::/2934.4B × /64RIPE NCCRU6th May 2022
2a12:f580::/2934.4B × /64RIPE NCCRU6th Dec 2021
2a13:1340::/2934.4B × /64RIPE NCCRU25th Oct 2022
2a13:1ac0::/2934.4B × /64RIPE NCCRU1st Nov 2022
2a13:2300::/2934.4B × /64RIPE NCCRU4th Jul 2022
2a13:2500::/2934.4B × /64RIPE NCCRU4th Jul 2022
2a13:2780::/2934.4B × /64RIPE NCCRU17th Aug 2022
2a13:3b80::/2934.4B × /64RIPE NCCRU24th Aug 2022
2a13:3c80::/2934.4B × /64RIPE NCCRU24th Aug 2022
2a13:4040::/2934.4B × /64RIPE NCCRU24th Nov 2022
2a13:42c0::/2934.4B × /64RIPE NCCRU17th Mar 2026
2a13:43c0::/2934.4B × /64RIPE NCCRU25th Nov 2022
2a13:4fc0::/2934.4B × /64RIPE NCCRU5th Dec 2022
2a13:51c0::/2934.4B × /64RIPE NCCRU5th Dec 2022
2a13:5500::/2934.4B × /64RIPE NCCRU12th Jul 2022
2a13:5540::/2934.4B × /64RIPE NCCRU8th Dec 2022
2a13:5980::/2934.4B × /64RIPE NCCRU6th Sept 2022
2a13:6d40::/2934.4B × /64RIPE NCCRU23rd Dec 2022
2a13:6e40::/2934.4B × /64RIPE NCCRU27th Dec 2022
2a13:7340::/324.3B × /64RIPE NCCRU27th Dec 2022
2a13:840::/2934.4B × /64RIPE NCCRU17th Oct 2022
2a13:8580::/2934.4B × /64RIPE NCCRU22nd Feb 2023
2a13:8c40::/2934.4B × /64RIPE NCCRU7th Jul 2023
2a13:9340::/2934.4B × /64RIPE NCCRU17th Jul 2023
2a13:95c0::/2934.4B × /64RIPE NCCRU2nd Apr 2026
2a13:ad80::/2934.4B × /64RIPE NCCRU6th Mar 2023
2a13:b0c0::/2934.4B × /64RIPE NCCRU18th Aug 2023