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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

2,385 blocks match, ordered by prefix.

Allocated but unannounced blocks, 851 to 900 of 2385
PrefixAddressesRegistryCountryAllocated
2001:df3:c580::/4865.5k × /64APNICAU20th May 2020
2001:df3:c600::/4865.5k × /64APNICAU4th Aug 2016
2001:df3:ce40::/4865.5k × /64APNICAU14th May 2024
2001:df3:ce80::/4865.5k × /64APNICAU26th May 2020
2001:df3:cf80::/4865.5k × /64APNICAU26th May 2020
2001:df3:d400::/4865.5k × /64APNICAU28th Apr 2015
2001:df3:dd00::/4865.5k × /64APNICAU16th Jan 2018
2001:df3:de00::/4865.5k × /64APNICAU8th Aug 2016
2001:df3:e140::/4865.5k × /64APNICAU4th Jun 2024
2001:df3:e580::/4865.5k × /64APNICAU5th Jun 2020
2001:df3:e780::/4865.5k × /64APNICAU8th Jun 2020
2001:df3:ef00::/4865.5k × /64APNICAU19th Jan 2018
2001:df3:f1c0::/4865.5k × /64APNICAU17th Jun 2024
2001:df3:fcc0::/4865.5k × /64APNICAU27th Jun 2024
2001:df3:fd00::/4865.5k × /64APNICAU25th Jan 2018
2001:df3:fe80::/4865.5k × /64APNICAU19th Jun 2020
2001:df3:ff40::/4865.5k × /64APNICAU1st Jul 2024
2001:df3:ffc0::/4865.5k × /64APNICAU1st Jul 2024
2001:df4:1400::/4865.5k × /64APNICAU15th May 2015
2001:df4:1a00::/4865.5k × /64APNICAU18th Aug 2016
2001:df4:1c00::/4865.5k × /64APNICAU15th May 2015
2001:df4:1c0::/4865.5k × /64APNICAU2nd Jul 2024
2001:df4:1c80::/4865.5k × /64APNICAU30th Jun 2020
2001:df4:1d40::/4865.5k × /64APNICAU26th Jul 2024
2001:df4:2400::/4865.5k × /64APNICAU22nd May 2015
2001:df4:2580::/4865.5k × /64APNICAU5th Jul 2020
2001:df4:2740::/4865.5k × /64APNICAU12th Aug 2024
2001:df4:300::/4865.5k × /64APNICAU29th Jan 2018
2001:df4:3200::/4865.5k × /64APNICAU25th Aug 2016
2001:df4:3600::/4865.5k × /64APNICAU25th Aug 2016
2001:df4:3780::/4865.5k × /64APNICAU13th Jul 2020
2001:df4:3880::/4865.5k × /64APNICAU14th Jul 2020
2001:df4:39c0::/4865.5k × /64APNICAU28th Aug 2024
2001:df4:3a00::/4865.5k × /64APNICAU29th Aug 2016
2001:df4:3e00::/4865.5k × /64APNICAU29th Aug 2016
2001:df4:43c0::/4865.5k × /64APNICAU17th Sept 2024
2001:df4:4580::/4865.5k × /64APNICAU17th Jul 2020
2001:df4:4ac0::/4865.5k × /64APNICAU23rd Sept 2024
2001:df4:4e00::/4865.5k × /64APNICAU1st Sept 2016
2001:df4:5080::/4865.5k × /64APNICAU23rd Jul 2020
2001:df4:5200::/4865.5k × /64APNICAU1st Sept 2016
2001:df4:5600::/4865.5k × /64APNICAU1st Sept 2016
2001:df4:5780::/4865.5k × /64APNICAU27th Jul 2020
2001:df4:6500::/4865.5k × /64APNICAU2nd Mar 2018
2001:df4:6e00::/4865.5k × /64APNICAU1st Sept 2016
2001:df4:6f00::/4865.5k × /64APNICAU8th Mar 2018
2001:df4:78c0::/4865.5k × /64APNICAU23rd Oct 2024
2001:df4:800::/4865.5k × /64APNICAU19th Mar 2014
2001:df4:8500::/4865.5k × /64APNICAU19th Mar 2018
2001:df4:8600::/4865.5k × /64APNICAU1st Sept 2016