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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

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Countries with the most unannounced blocks, largest first.

Unannounced blocks in Australia

2,394 blocks match, ordered by prefix.

Allocated but unannounced blocks, 2051 to 2100 of 2394
Prefix	Addresses	Registry	Country	Allocated
2402:6560::/32	4.3B × /64	APNIC	AU	1st Jul 2026
2402:6580::/32	4.3B × /64	APNIC	AU	25th May 2015
2402:65a0::/32	4.3B × /64	APNIC	AU	1st Jul 2026
2402:6600::/32	4.3B × /64	APNIC	AU	17th May 2010
2402:6720::/32	4.3B × /64	APNIC	AU	16th Jul 2026
2402:6900::/32	4.3B × /64	APNIC	AU	28th Oct 2011
2402:69a0::/32	4.3B × /64	APNIC	AU	26th Jul 2026
2402:6b80::/32	4.3B × /64	APNIC	AU	29th May 2015
2402:6d60::/32	4.3B × /64	APNIC	AU	11th Aug 2026
2402:6de0::/32	4.3B × /64	APNIC	AU	11th Aug 2026
2402:6f20::/32	4.3B × /64	APNIC	AU	17th Aug 2026
2402:7600::/32	4.3B × /64	APNIC	AU	18th May 2010
2402:7680::/32	4.3B × /64	APNIC	AU	12th Jun 2015
2402:76a0::/32	4.3B × /64	APNIC	AU	17th Sept 2026
2402:7900::/32	4.3B × /64	APNIC	AU	9th Nov 2011
2402:7b80::/32	4.3B × /64	APNIC	AU	19th Jun 2015
2402:7bc0::/32	4.3B × /64	APNIC	AU	15th Feb 2018
2402:7c40::/32	4.3B × /64	APNIC	AU	15th Feb 2018
2402:7c60::/32	4.3B × /64	APNIC	AU	7th Oct 2026
2402:7e80::/32	4.3B × /64	APNIC	AU	25th Jun 2015
2402:7f20::/32	4.3B × /64	APNIC	AU	21st Oct 2026
2402:8020::/32	4.3B × /64	APNIC	AU	26th Oct 2026
2402:8480::/32	4.3B × /64	APNIC	AU	1st Jul 2015
2402:8700::/32	4.3B × /64	APNIC	AU	15th Nov 2011
2402:9180::/32	4.3B × /64	APNIC	AU	15th Jul 2015
2402:9340::/32	4.3B × /64	APNIC	AU	12th Mar 2018
2402:9540::/32	4.3B × /64	APNIC	AU	13th Mar 2018
2402:9c80::/32	4.3B × /64	APNIC	AU	21st Jul 2015
2402:9cc0::/32	4.3B × /64	APNIC	AU	16th Mar 2018
2402:a040::/32	4.3B × /64	APNIC	AU	19th Mar 2018
2402:a400::/32	4.3B × /64	APNIC	AU	30th Oct 2009
2402:a80::/32	4.3B × /64	APNIC	AU	10th Feb 2015
2402:a8c0::/32	4.3B × /64	APNIC	AU	29th Mar 2018
2402:a980::/32	4.3B × /64	APNIC	AU	28th Jul 2015
2402:aac0::/32	4.3B × /64	APNIC	AU	3rd Apr 2018
2402:ac80::/32	4.3B × /64	APNIC	AU	29th Jul 2015
2402:ad00::/32	4.3B × /64	APNIC	AU	12th Dec 2011
2402:b100::/32	4.3B × /64	APNIC	AU	13th Dec 2011
2402:b480::/32	4.3B × /64	APNIC	AU	4th Aug 2015
2402:b800::/32	4.3B × /64	APNIC	AU	24th Jul 2008
2402:bb80::/32	4.3B × /64	APNIC	AU	5th Aug 2015
2402:bd00::/32	4.3B × /64	APNIC	AU	21st Dec 2011
2402:c500::/32	4.3B × /64	APNIC	AU	28th Dec 2011
2402:c640::/32	4.3B × /64	APNIC	AU	19th Apr 2018
2402:ca00::/32	4.3B × /64	APNIC	AU	8th Jun 2010
2402:d100::/32	4.3B × /64	APNIC	AU	5th Jan 2012
2402:d180::/32	4.3B × /64	APNIC	AU	26th Aug 2015
2402:d40::/32	4.3B × /64	APNIC	AU	24th Nov 2017
2402:d800::/32	4.3B × /64	APNIC	AU	31st Jul 2008
2402:d900::/32	4.3B × /64	APNIC	AU	9th Jan 2012