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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

Unannounced blocks in Australia

2,368 blocks match, ordered by prefix.

Allocated but unannounced blocks, 901 to 950 of 2368
PrefixAddressesRegistryCountryAllocated
2001:df4:a500::/4865.5k × /64APNICAU28th Mar 2018
2001:df4:a600::/4865.5k × /64APNICAU2nd Sept 2016
2001:df4:ac00::/4865.5k × /64APNICAU26th Jun 2015
2001:df4:ae00::/4865.5k × /64APNICAU2nd Sept 2016
2001:df4:ae80::/4865.5k × /64APNICAU27th Aug 2020
2001:df4:b5c0::/4865.5k × /64APNICAU2nd Dec 2024
2001:df4:b600::/4865.5k × /64APNICAU2nd Sept 2016
2001:df4:b680::/4865.5k × /64APNICAU1st Sept 2020
2001:df4:bf80::/4865.5k × /64APNICAU3rd Sept 2020
2001:df4:c1c0::/4865.5k × /64APNICAU12th Dec 2024
2001:df4:c240::/4865.5k × /64APNICAU12th Dec 2024
2001:df4:c7c0::/4865.5k × /64APNICAU17th Dec 2024
2001:df4:cc80::/4865.5k × /64APNICAU9th Sept 2020
2001:df4:ce00::/4865.5k × /64APNICAU5th Sept 2016
2001:df4:d40::/4865.5k × /64APNICAU11th Jul 2024
2001:df4:de00::/4865.5k × /64APNICAU6th Sept 2016
2001:df4:e100::/4865.5k × /64APNICAU16th Apr 2018
2001:df4:e400::/4865.5k × /64APNICAU16th Jul 2015
2001:df4:e600::/4865.5k × /64APNICAU6th Sept 2016
2001:df4:e680::/4865.5k × /64APNICAU22nd Sept 2020
2001:df4:ea00::/4865.5k × /64APNICAU7th Sept 2016
2001:df4:ec00::/4865.5k × /64APNICAU17th Jul 2015
2001:df4:ee80::/4865.5k × /64APNICAU25th Sept 2020
2001:df4:f200::/4865.5k × /64APNICAU8th Sept 2016
2001:df4:f500::/4865.5k × /64APNICAU24th Apr 2018
2001:df4:f580::/4865.5k × /64APNICAU30th Sept 2020
2001:df4:f600::/4865.5k × /64APNICAU8th Sept 2016
2001:df4:fa00::/4865.5k × /64APNICAU9th Sept 2016
2001:df4:fe00::/4865.5k × /64APNICAU9th Sept 2016
2001:df4:ff00::/4865.5k × /64APNICAU1st May 2018
2001:df5:1200::/4865.5k × /64APNICAU13th Sept 2016
2001:df5:1300::/4865.5k × /64APNICAU10th May 2018
2001:df5:1a40::/4865.5k × /64APNICAU18th Feb 2025
2001:df5:1d80::/4865.5k × /64APNICAU19th Oct 2020
2001:df5:2200::/4865.5k × /64APNICAU16th Sept 2016
2001:df5:2340::/4865.5k × /64APNICAU24th Feb 2025
2001:df5:27c0::/4865.5k × /64APNICAU28th Feb 2025
2001:df5:27c1::/4865.5k × /64APNICAU30th Jan 2026
2001:df5:28c0::/4865.5k × /64APNICAU2nd Mar 2025
2001:df5:2b00::/4865.5k × /64APNICAU18th May 2018
2001:df5:2d00::/4865.5k × /64APNICAU18th May 2018
2001:df5:3000::/4865.5k × /64APNICAU10th Oct 2013
2001:df5:3500::/4865.5k × /64APNICAU23rd May 2018
2001:df5:3c80::/4865.5k × /64APNICAU3rd Nov 2020
2001:df5:3cc0::/4865.5k × /64APNICAU14th Mar 2025
2001:df5:3f00::/4865.5k × /64APNICAU25th May 2018
2001:df5:4180::/4865.5k × /64APNICAU4th Nov 2020
2001:df5:4780::/4865.5k × /64APNICAU5th Nov 2020
2001:df5:48c0::/4865.5k × /64APNICAU24th Mar 2025
2001:df5:4a80::/4865.5k × /64APNICAU6th Nov 2020