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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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 the most unannounced blocks, largest first.

Unannounced blocks

85,108 blocks match, ordered by prefix.

Allocated but unannounced blocks, 72701 to 72750 of 85108
PrefixAddressesRegistryCountryAllocated
2a0a:2c80::/2934.4B × /64RIPE NCCAT9th Nov 2016
2a0a:2cc0::/2934.4B × /64RIPE NCCIT1st Mar 2017
2a0a:2d40::/2934.4B × /64RIPE NCCLB1st Mar 2017
2a0a:2d80::/2934.4B × /64RIPE NCCNL9th Nov 2016
2a0a:2dc0::/2934.4B × /64RIPE NCCFR2nd Mar 2017
2a0a:2e00::/2934.4B × /64RIPE NCCRO29th Aug 2016
2a0a:2e40::/2934.4B × /64RIPE NCCGB2nd Mar 2017
2a0a:2fc0::/3017.2B × /64RIPE NCCIR3rd Mar 2017
2a0a:2fc4::/3017.2B × /64RIPE NCCIR3rd Mar 2017
2a0a:3000::/2934.4B × /64RIPE NCCRU15th Jul 2026
2a0a:3040::/2934.4B × /64RIPE NCCRU3rd Mar 2017
2a0a:30c0::/2934.4B × /64RIPE NCCNL3rd Mar 2017
2a0a:3240::/324.3B × /64RIPE NCCIQ6th Mar 2017
2a0a:32c0::/324.3B × /64RIPE NCCIR1st May 2023
2a0a:3300::/2934.4B × /64RIPE NCCIN21st Sept 2016
2a0a:33c0::/2934.4B × /64RIPE NCCBG16th Sept 2020
2a0a:3400::/2934.4B × /64RIPE NCCDK16th Aug 2016
2a0a:3440::/2934.4B × /64RIPE NCCIM6th Mar 2017
2a0a:3480::/2934.4B × /64RIPE NCCIT4th Nov 2019
2a0a:34c0::/3017.2B × /64RIPE NCCSE6th Mar 2017
2a0a:3540::/2934.4B × /64RIPE NCCRU18th May 2021
2a0a:3580::/2934.4B × /64RIPE NCCES10th Nov 2016
2a0a:35c0::/2934.4B × /64RIPE NCCBG6th Mar 2017
2a0a:3600::/2934.4B × /64RIPE NCCNL2nd Jul 2019
2a0a:3800::/2934.4B × /64RIPE NCCGB11th Aug 2016
2a0a:380::/2934.4B × /64RIPE NCCUA1st Nov 2016
2a0a:3880::/2934.4B × /64RIPE NCCAM11th Nov 2016
2a0a:38c0::/2934.4B × /64RIPE NCCCY8th Mar 2017
2a0a:3940::/2934.4B × /64RIPE NCCAE8th Mar 2017
2a0a:3a80::/2934.4B × /64RIPE NCCDK14th Nov 2016
2a0a:3ac0::/2934.4B × /64RIPE NCCES8th Mar 2017
2a0a:3b40::/2934.4B × /64RIPE NCCES8th Mar 2017
2a0a:3c00::/324.3B × /64RIPE NCCRU16th Aug 2016
2a0a:3c0::/324.3B × /64RIPE NCCBE15th Feb 2017
2a0a:3c40::/2934.4B × /64RIPE NCCIR9th Mar 2017
2a0a:3c80::/2934.4B × /64RIPE NCCDE14th Nov 2016
2a0a:3d40::/2934.4B × /64RIPE NCCAT9th Mar 2017
2a0a:3d80::/2934.4B × /64RIPE NCCDE14th Nov 2016
2a0a:3dc0::/324.3B × /64RIPE NCCSE9th Mar 2017
2a0a:3e80::/2934.4B × /64RIPE NCCDK14th Nov 2016
2a0a:3ec0::/2934.4B × /64RIPE NCCCY2nd Jun 2021
2a0a:3f00::/324.3B × /64RIPE NCCLT22nd Sept 2016
2a0a:3f80::/324.3B × /64RIPE NCCNL14th Nov 2016
2a0a:3fc0::/324.3B × /64RIPE NCCHU10th Mar 2017
2a0a:4040::/2934.4B × /64RIPE NCCGB10th Mar 2017
2a0a:40::/2934.4B × /64RIPE NCCUS14th Feb 2017
2a0a:40c0::/2934.4B × /64RIPE NCCIR10th Mar 2017
2a0a:41c0::/2934.4B × /64RIPE NCCIT10th Mar 2017
2a0a:4200::/2934.4B × /64RIPE NCCBG31st Aug 2016
2a0a:4240::/2934.4B × /64RIPE NCCNL10th Mar 2017