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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

Unannounced blocks registered through RIPE NCC

25,283 blocks match, ordered by prefix.

Allocated but unannounced blocks, 20051 to 20100 of 25283
PrefixAddressesRegistryCountryAllocated
2a11:2580::/324.3B × /64RIPE NCCSE16th Aug 2021
2a11:25c0::/2934.4B × /64RIPE NCCHK17th Sept 2021
2a11:2600::/2934.4B × /64RIPE NCCEE16th Jul 2021
2a11:2680::/2934.4B × /64RIPE NCCSC16th Aug 2021
2a11:2700::/2934.4B × /64RIPE NCCRU28th Jul 2021
2a11:2740::/2934.4B × /64RIPE NCCIT17th Sept 2021
2a11:2880::/2934.4B × /64RIPE NCCVG16th Aug 2021
2a11:2980::/2934.4B × /64RIPE NCCSC16th Aug 2021
2a11:2a00::/2934.4B × /64RIPE NCCDE16th Jul 2021
2a11:2a40::/2934.4B × /64RIPE NCCRU20th Sept 2021
2a11:2ac0::/2934.4B × /64RIPE NCCBG20th Sept 2021
2a11:2c40::/2934.4B × /64RIPE NCCRU20th Sept 2021
2a11:2d40::/2934.4B × /64RIPE NCCNL20th Sept 2021
2a11:2f80::/2934.4B × /64RIPE NCCSC17th Aug 2021
2a11:2fc0::/324.3B × /64RIPE NCCUA21st Sept 2021
2a11:300::/2934.4B × /64RIPE NCCRU16th Feb 2026
2a11:30c0::/2934.4B × /64RIPE NCCSC21st Sept 2021
2a11:3100::/2934.4B × /64RIPE NCCFR29th Jul 2021
2a11:3140::/2934.4B × /64RIPE NCCNL21st Sept 2021
2a11:3200::/2934.4B × /64RIPE NCCSC16th Jul 2021
2a11:3280::/2934.4B × /64RIPE NCCNL17th Aug 2021
2a11:32c0::/2934.4B × /64RIPE NCCSC21st Sept 2021
2a11:3300::/2934.4B × /64RIPE NCCNL29th Jul 2021
2a11:33c0::/2934.4B × /64RIPE NCCCY21st Sept 2021
2a11:3400::/2934.4B × /64RIPE NCCFR8th Jul 2021
2a11:3440::/2934.4B × /64RIPE NCCRU21st Sept 2021
2a11:3480::/2934.4B × /64RIPE NCCSC17th Aug 2021
2a11:3540::/2934.4B × /64RIPE NCCNL22nd Sept 2021
2a11:3600::/2934.4B × /64RIPE NCCPL7th Nov 2025
2a11:3640::/2934.4B × /64RIPE NCCTR18th Feb 2026
2a11:3680::/2934.4B × /64RIPE NCCSC17th Aug 2021
2a11:3700::/2934.4B × /64RIPE NCCUA29th Jul 2021
2a11:3880::/2934.4B × /64RIPE NCCCY17th Aug 2021
2a11:3980::/2934.4B × /64RIPE NCCCY17th Aug 2021
2a11:39c0::/2934.4B × /64RIPE NCCTR23rd Sept 2021
2a11:3a00::/2934.4B × /64RIPE NCCGB7th Nov 2025
2a11:3c0::/2934.4B × /64RIPE NCCPL29th Jun 2021
2a11:3c80::/2934.4B × /64RIPE NCCNL18th Aug 2021
2a11:3dc0::/2934.4B × /64RIPE NCCSC23rd Sept 2021
2a11:3e80::/2934.4B × /64RIPE NCCNL18th Aug 2021
2a11:3ec0::/2934.4B × /64RIPE NCCRU23rd Sept 2021
2a11:3fc0::/2934.4B × /64RIPE NCCRU23rd Sept 2021
2a11:4000::/2934.4B × /64RIPE NCCNL5th Jul 2021
2a11:400::/2934.4B × /64RIPE NCCLT10th May 2021
2a11:40::/2934.4B × /64RIPE NCCAE28th Jun 2021
2a11:40c0::/2934.4B × /64RIPE NCCSC24th Sept 2021
2a11:4180::/2934.4B × /64RIPE NCCSC18th Aug 2021
2a11:4200::/2934.4B × /64RIPE NCCLT19th Jul 2021
2a11:4240::/2934.4B × /64RIPE NCCSC24th Sept 2021
2a11:4280::/2934.4B × /64RIPE NCCUS18th Aug 2021