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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

Unannounced blocks registered through ARIN

30,434 blocks match, ordered by prefix.

Allocated but unannounced blocks, 28401 to 28450 of 30434
PrefixAddressesRegistryCountryAllocated
2620:61:8000::/4865.5k × /64ARINUS23rd Jun 2011
2620:61:a000::/4865.5k × /64ARINUS12th Dec 2018
2620:61:e000::/4865.5k × /64ARINGD12th Dec 2018
2620:62:2000::/4865.5k × /64ARINUS13th Dec 2018
2620:62:8000::/4865.5k × /64ARINUS27th Jun 2011
2620:62:a000::/4865.5k × /64ARINUS17th Dec 2018
2620:62:c000::/4865.5k × /64ARINUS13th Dec 2013
2620:62:e000::/4865.5k × /64ARINUS21st Dec 2018
2620:63:2000::/4865.5k × /64ARINUS4th Jan 2019
2620:63:4000::/4865.5k × /64ARINUS16th Dec 2013
2620:63:8000::/4865.5k × /64ARINUS30th Aug 2024
2620:63:a000::/4865.5k × /64ARINUS4th Jan 2019
2620:63:c000::/4865.5k × /64ARINUS18th Dec 2013
2620:64:2000::/4865.5k × /64ARINUS17th Jan 2019
2620:64:4000::/4865.5k × /64ARINUS18th Dec 2013
2620:64:6000::/4865.5k × /64ARINUS22nd Jan 2019
2620:64:c000::/441M × /64ARINUS19th Dec 2013
2620:65:4080::/4865.5k × /64ARINUS5th May 2016
2620:65:c000::/4865.5k × /64ARINUS23rd Dec 2013
2620:66:2000::/4865.5k × /64ARINUS1st Feb 2019
2620:66:8000::/4865.5k × /64ARINUS5th Jul 2011
2620:66::/4865.5k × /64ARINCA12th Aug 2010
2620:66:c000::/4865.5k × /64ARINNL26th Dec 2013
2620:66:e000::/4865.5k × /64ARINUS8th Feb 2019
2620:67:8000::/4865.5k × /64ARINUS3rd Jan 2013
2620:67:e000::/4865.5k × /64ARINUS22nd Feb 2019
2620:68:4000::/441M × /64ARINUS2nd Jan 2014
2620:68:6000::/4865.5k × /64ARINCA25th Feb 2019
2620:68:8000::/4865.5k × /64ARINCA6th Jul 2011
2620:68:c000::/441M × /64ARINUS2nd Jan 2014
2620:69:4000::/4865.5k × /64ARINUS2nd Jan 2014
2620:69:8000::/4865.5k × /64ARINUS6th Jul 2011
2620:69:a000::/4865.5k × /64ARINUS4th Mar 2019
2620:69:e000::/4865.5k × /64ARINUS5th Mar 2019
2620:6:4000::/4865.5k × /64ARINUS17th Aug 2012
2620:6:6000::/4865.5k × /64ARINUS18th Aug 2016
2620:6:8000::/4865.5k × /64ARINUS5th Apr 2011
2620:6::/4865.5k × /64ARINCA7th Jun 2010
2620:6:c000::/4865.5k × /64ARINUS23rd Aug 2012
2620:6:e000::/4865.5k × /64ARINUS30th Aug 2016
2620:6a:4000::/4865.5k × /64ARINCA21st Jan 2014
2620:6a:8000::/4865.5k × /64ARINUS18th Jul 2011
2620:6a:a000::/4865.5k × /64ARINUS8th Mar 2019
2620:6a:e000::/4865.5k × /64ARINUS15th Mar 2019
2620:6b:2000::/4865.5k × /64ARINKN18th Mar 2019
2620:6b:6000::/4865.5k × /64ARINUS20th Mar 2019
2620:6b:8000::/4865.5k × /64ARINUS20th Jul 2011
2620:6b::/4865.5k × /64ARINUS8th Feb 2011
2620:6b:a000::/4865.5k × /64ARINUS21st Mar 2019
2620:6b:c000::/4865.5k × /64ARINUS5th Feb 2014