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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

85,075 blocks match, ordered by prefix.

Allocated but unannounced blocks, 73301 to 73350 of 85075
PrefixAddressesRegistryCountryAllocated
2a0b:57c0::/2934.4B × /64RIPE NCCNL27th Jun 2017
2a0b:580::/324.3B × /64RIPE NCCRU20th Dec 2016
2a0b:5840::/2934.4B × /64RIPE NCCDK28th Jun 2017
2a0b:5880::/2934.4B × /64RIPE NCCGB13th Jan 2017
2a0b:5940::/2934.4B × /64RIPE NCCDE28th Jun 2017
2a0b:5980::/2934.4B × /64RIPE NCCGR13th Jan 2017
2a0b:59c0::/2934.4B × /64RIPE NCCGB28th Jun 2017
2a0b:5a00::/2934.4B × /64RIPE NCCIR12th Sept 2016
2a0b:5b00::/2934.4B × /64RIPE NCCIL27th Jan 2026
2a0b:5b40::/2934.4B × /64RIPE NCCDE28th Jun 2017
2a0b:5b80::/2934.4B × /64RIPE NCCGB13th Jan 2017
2a0b:5bc0::/2934.4B × /64RIPE NCCIE28th Jun 2017
2a0b:5c00::/2934.4B × /64RIPE NCCRU10th Jun 2020
2a0b:5c0::/2934.4B × /64RIPE NCCGB26th May 2017
2a0b:5c40::/2934.4B × /64RIPE NCCSE29th Jun 2017
2a0b:5cc0::/2934.4B × /64RIPE NCCHR28th Jul 2026
2a0b:5d80::/2934.4B × /64RIPE NCCIQ13th Jan 2017
2a0b:5e80::/2934.4B × /64RIPE NCCLB16th Jan 2017
2a0b:5f80::/2934.4B × /64RIPE NCCCW16th Jan 2017
2a0b:5fc0::/2934.4B × /64RIPE NCCRU30th Jun 2017
2a0b:600::/324.3B × /64RIPE NCCNO6th Sept 2016
2a0b:6040::/324.3B × /64RIPE NCCDE30th Jun 2017
2a0b:6080::/2934.4B × /64RIPE NCCDE16th Jan 2017
2a0b:6100::/2934.4B × /64RIPE NCCFR7th Aug 2025
2a0b:6180::/2934.4B × /64RIPE NCCDE16th Jan 2017
2a0b:61c0::/324.3B × /64RIPE NCCGB30th Jun 2017
2a0b:6280::/2934.4B × /64RIPE NCCCH16th Jan 2017
2a0b:62c0::/2934.4B × /64RIPE NCCSK30th Jun 2017
2a0b:63c0::/2934.4B × /64RIPE NCCES4th Jun 2021
2a0b:6400::/2934.4B × /64RIPE NCCFR22nd Aug 2016
2a0b:6480::/2934.4B × /64RIPE NCCGB16th Jan 2017
2a0b:6500::/2934.4B × /64RIPE NCCDE19th Oct 2016
2a0b:6540::/2934.4B × /64RIPE NCCUS4th Jul 2017
2a0b:6680::/324.3B × /64RIPE NCCGB16th Jan 2017
2a0b:66c0::/324.3B × /64RIPE NCCRU5th Jul 2017
2a0b:6740::/2934.4B × /64RIPE NCCGB21st Mar 2024
2a0b:6780::/2934.4B × /64RIPE NCCTR16th Jan 2017
2a0b:67c0::/2934.4B × /64RIPE NCCIT27th Jan 2026
2a0b:6840::/2934.4B × /64RIPE NCCES5th Jul 2017
2a0b:68c0::/2934.4B × /64RIPE NCCNL5th Jul 2017
2a0b:6a40::/2934.4B × /64RIPE NCCNL6th Jul 2017
2a0b:6a80::/2934.4B × /64RIPE NCCUA16th Jan 2017
2a0b:6ac0::/2934.4B × /64RIPE NCCNO13th Aug 2026
2a0b:6b00::/2934.4B × /64RIPE NCCIR19th Oct 2016
2a0b:6b40::/2934.4B × /64RIPE NCCES6th Jul 2017
2a0b:6c80::/2934.4B × /64RIPE NCCDE17th Jan 2017
2a0b:6d40::/2934.4B × /64RIPE NCCNL10th Jul 2017
2a0b:6dc0::/2934.4B × /64RIPE NCCGB3rd May 2021
2a0b:6ec0::/2934.4B × /64RIPE NCCRU10th Jul 2017
2a0b:6f00::/2934.4B × /64RIPE NCCDE19th Oct 2016