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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

Unannounced blocks

85,346 blocks match, ordered by prefix.

Allocated but unannounced blocks, 35551 to 35600 of 85346
PrefixAddressesRegistryCountryAllocated
2001:678:278::/4865.5k × /64RIPE NCCRU11th Oct 2016
2001:678:288::/4865.5k × /64RIPE NCCPL20th Oct 2016
2001:678:294::/4865.5k × /64RIPE NCCCH27th Oct 2016
2001:678:298::/4865.5k × /64RIPE NCCCH27th Oct 2016
2001:678:2a4::/4865.5k × /64RIPE NCCNO20th Jan 2026
2001:678:2a8::/4865.5k × /64RIPE NCCDE8th Nov 2016
2001:678:2b0::/4865.5k × /64RIPE NCCPL10th Nov 2016
2001:678:2c0::/4865.5k × /64RIPE NCCDE11th Nov 2016
2001:678:2cc::/4865.5k × /64RIPE NCCGB23rd Apr 2021
2001:678:2dc::/4865.5k × /64RIPE NCCGB23rd Nov 2016
2001:678:2e8::/4865.5k × /64RIPE NCCRU2nd Dec 2016
2001:678:2ec::/4865.5k × /64RIPE NCCRU5th Dec 2016
2001:678:2f4::/4865.5k × /64RIPE NCCES7th Dec 2016
2001:678:2f8::/4865.5k × /64RIPE NCCES7th Dec 2016
2001:678:2fc::/4865.5k × /64RIPE NCCES7th Dec 2016
2001:678:314::/4865.5k × /64RIPE NCCRO9th Dec 2016
2001:678:328::/4865.5k × /64RIPE NCCCH15th Dec 2016
2001:678:33c::/4865.5k × /64RIPE NCCDK20th Dec 2016
2001:678:344::/4865.5k × /64RIPE NCCRU21st Dec 2016
2001:678:34::/4865.5k × /64RIPE NCCNL4th Jul 2011
2001:678:34c::/4865.5k × /64RIPE NCCUS22nd Dec 2016
2001:678:354::/4865.5k × /64RIPE NCCDE25th Sept 2019
2001:678:358::/4865.5k × /64RIPE NCCIE3rd Jan 2017
2001:678:370::/4865.5k × /64RIPE NCCDE18th Jan 2017
2001:678:37c::/4865.5k × /64RIPE NCCUA24th Jan 2017
2001:678:380::/4865.5k × /64RIPE NCCPL26th Jan 2017
2001:678:38::/4865.5k × /64RIPE NCCNL4th Jul 2011
2001:678:38c::/4865.5k × /64RIPE NCCPL3rd Feb 2017
2001:678:390::/4865.5k × /64RIPE NCCNL22nd Feb 2017
2001:678:3a0::/4865.5k × /64RIPE NCCDE24th Feb 2017
2001:678:3b0::/4865.5k × /64RIPE NCCPL10th Mar 2017
2001:678:3d0::/4865.5k × /64RIPE NCCRU17th Mar 2017
2001:678:3e4::/4865.5k × /64RIPE NCCDE22nd Mar 2017
2001:678:3f8::/4865.5k × /64RIPE NCCUA31st Mar 2017
2001:678:400::/4865.5k × /64RIPE NCCDE7th Apr 2017
2001:678:404::/4865.5k × /64RIPE NCCRS7th Apr 2017
2001:678:40c::/4865.5k × /64RIPE NCCRU12th Apr 2017
2001:678:410::/4865.5k × /64RIPE NCCDE4th Jan 2024
2001:678:414::/4865.5k × /64RIPE NCCRU15th Jan 2024
2001:678:420::/4865.5k × /64RIPE NCCES10th Sept 2018
2001:678:428::/4865.5k × /64RIPE NCCIR12th Mar 2024
2001:678:440::/4865.5k × /64RIPE NCCNL8th May 2023
2001:678:444::/4865.5k × /64RIPE NCCTR3rd May 2017
2001:678:448::/4865.5k × /64RIPE NCCSK24th Dec 2020
2001:678:44c::/4865.5k × /64RIPE NCCDE5th May 2017
2001:678:450::/4865.5k × /64RIPE NCCSE9th May 2017
2001:678:454::/4865.5k × /64RIPE NCCSE11th May 2017
2001:678:45c::/4865.5k × /64RIPE NCCDE18th May 2020
2001:678:460::/4865.5k × /64RIPE NCCGB15th May 2017
2001:678:470::/4865.5k × /64RIPE NCCPL16th May 2017