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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

26,993 blocks match, ordered by prefix.

Allocated but unannounced blocks, 24951 to 25000 of 26993
PrefixAddressesRegistryCountryAllocated
2620:8a:a000::/4865.5k × /64ARINUS10th Jul 2020
2620:8a:c000::/4865.5k × /64ARINUS11th Aug 2014
2620:8a:e000::/4865.5k × /64ARINUS13th Jul 2020
2620:8b:2000::/4865.5k × /64ARINUS16th Jul 2020
2620:8b:6000::/4865.5k × /64ARINUS23rd Jul 2020
2620:8b::/4865.5k × /64ARINUS16th Feb 2011
2620:8b:e000::/4865.5k × /64ARINUS27th Jul 2020
2620:8c:2000::/4865.5k × /64ARINUS28th Jul 2020
2620:8c:6000::/4865.5k × /64ARINUS4th Aug 2020
2620:8c:8000::/4865.5k × /64ARINUS23rd Aug 2011
2620:8c:a000::/4865.5k × /64ARINUS13th Aug 2020
2620:8d:2000::/4865.5k × /64ARINUS13th Aug 2020
2620:8d:6000::/4865.5k × /64ARINUS3rd Sept 2020
2620:8d:e000::/4865.5k × /64ARINUS10th Sept 2020
2620:8e:6000::/4865.5k × /64ARINUS18th Sept 2020
2620:8e:8000::/4865.5k × /64ARINUS25th Aug 2011
2620:8e:a000::/4865.5k × /64ARINUS23rd Sept 2020
2620:8e:c000::/4865.5k × /64ARINUS26th Aug 2014
2620:8f:2000::/4865.5k × /64ARINUS25th Sept 2020
2620:8f:8000::/4865.5k × /64ARINUS26th Aug 2011
2620:8f::/4865.5k × /64ARINUS17th Feb 2011
2620:8f:e000::/4865.5k × /64ARINUS2nd Oct 2020
2620:90:6000::/4865.5k × /64ARINUS20th Oct 2020
2620:90:8000::/4865.5k × /64ARINUS26th Aug 2011
2620:90:e000::/4865.5k × /64ARINUS19th Nov 2020
2620:91:2000::/4865.5k × /64ARINUS11th Dec 2020
2620:91:6000::/4865.5k × /64ARINUS14th Dec 2020
2620:91:8000::/4865.5k × /64ARINUS29th Aug 2011
2620:92:2000::/4865.5k × /64ARINUS17th Dec 2020
2620:92:4000::/4865.5k × /64ARINUS10th Sept 2014
2620:92:6000::/4865.5k × /64ARINUS31st Dec 2020
2620:92:8000::/4865.5k × /64ARINUS31st Aug 2011
2620:92:a000::/4865.5k × /64ARINUS8th Jan 2021
2620:92:e000::/4865.5k × /64ARINUS8th Jan 2021
2620:93:2000::/4865.5k × /64ARINUS10th Feb 2021
2620:93:6000::/4865.5k × /64ARINUS10th Feb 2021
2620:93::/4865.5k × /64ARINUS18th Feb 2011
2620:93:c000::/4865.5k × /64ARINUS23rd Sept 2014
2620:94:2000::/4865.5k × /64ARINUS25th Feb 2021
2620:94:6000::/4865.5k × /64ARINUS1st Mar 2021
2620:94::/4865.5k × /64ARINUS11th May 2010
2620:94:a000::/4865.5k × /64ARINUS2nd Mar 2021
2620:94:c000::/4865.5k × /64ARINUS24th Sept 2014
2620:95:2000::/4865.5k × /64ARINUS19th Mar 2021
2620:95:8000::/4865.5k × /64ARINUS2nd Sept 2011
2620:95::/4865.5k × /64ARINUS23rd Feb 2011
2620:95:c000::/441M × /64ARINUS9th Oct 2014
2620:96:2000::/4865.5k × /64ARINUS6th Apr 2021
2620:96::/4865.5k × /64ARINUS23rd Sept 2010
2620:96:e000::/4865.5k × /64ARINUS21st Apr 2021