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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

85,285 blocks match, ordered by prefix.

Allocated but unannounced blocks, 56101 to 56150 of 85285
Prefix	Addresses	Registry	Country	Allocated
2404:3840::/32	4.3B × /64	APNIC	CN	6th Jan 2019
2404:3940::/32	4.3B × /64	APNIC	CN	7th Jan 2019
2404:39c0::/32	4.3B × /64	APNIC	SG	8th Jan 2019
2404:3a40::/32	4.3B × /64	APNIC	ID	8th Jan 2019
2404:3c0::/32	4.3B × /64	APNIC	BD	27th Nov 2018
2404:3cc0::/32	4.3B × /64	APNIC	BD	10th Jan 2019
2404:3e40::/32	4.3B × /64	APNIC	HK	11th Jan 2019
2404:3e80::/32	4.3B × /64	APNIC	ID	3rd Feb 2016
2404:3f40::/32	4.3B × /64	APNIC	CN	14th Jan 2019
2404:400::/32	4.3B × /64	APNIC	ID	5th Feb 2010
2404:4040::/32	4.3B × /64	APNIC	BD	14th Jan 2019
2404:40::/32	4.3B × /64	APNIC	ID	26th Nov 2018
2404:4180::/32	4.3B × /64	APNIC	AU	5th Feb 2016
2404:41c0::/32	4.3B × /64	APNIC	CN	15th Jan 2019
2404:4300::/32	4.3B × /64	APNIC	MY	21st Jun 2012
2404:4380::/32	4.3B × /64	APNIC	AU	8th Feb 2016
2404:43c0::/32	4.3B × /64	APNIC	BD	16th Jan 2019
2404:440::/32	4.3B × /64	APNIC	CN	27th Nov 2018
2404:4440::/32	4.3B × /64	APNIC	AU	16th Jan 2019
2404:44c0::/32	4.3B × /64	APNIC	BD	16th Jan 2019
2404:4540::/32	4.3B × /64	APNIC	CN	18th Jan 2019
2404:45c0::/32	4.3B × /64	APNIC	ID	18th Jan 2019
2404:4640::/32	4.3B × /64	APNIC	ID	18th Jan 2019
2404:4680::/32	4.3B × /64	APNIC	BD	8th Feb 2016
2404:46c0::/32	4.3B × /64	APNIC	BD	21st Jan 2019
2404:4740::/32	4.3B × /64	APNIC	CN	21st Jan 2019
2404:480::/32	4.3B × /64	APNIC	CN	17th Dec 2015
2404:4900::/32	4.3B × /64	APNIC	NZ	27th Jun 2012
2404:4a80::/32	4.3B × /64	APNIC	US	10th Feb 2016
2404:4b40::/32	4.3B × /64	APNIC	AU	23rd Jan 2019
2404:4b80::/32	4.3B × /64	APNIC	BD	11th Feb 2016
2404:4c00::/32	4.3B × /64	APNIC	AU	10th Feb 2010
2404:4c80::/32	4.3B × /64	APNIC	IN	11th Feb 2016
2404:4cc0::/32	4.3B × /64	APNIC	HK	25th Jan 2019
2404:4d00::/32	4.3B × /64	APNIC	CN	28th Jun 2012
2404:4ec0::/32	4.3B × /64	APNIC	ID	28th Jan 2019
2404:4f40::/32	4.3B × /64	APNIC	ID	28th Jan 2019
2404:5000::/32	4.3B × /64	APNIC	AU	16th Jan 2009
2404:500::/32	4.3B × /64	APNIC	ID	23rd May 2012
2404:5080::/32	4.3B × /64	APNIC	AU	15th Feb 2016
2404:50c0::/32	4.3B × /64	APNIC	BD	29th Jan 2019
2404:5100::/32	4.3B × /64	APNIC	JP	2nd Jul 2012
2404:5140::/32	4.3B × /64	APNIC	BD	29th Jan 2019
2404:51c0::/32	4.3B × /64	APNIC	CN	30th Jan 2019
2404:5280::/32	4.3B × /64	APNIC	BD	16th Feb 2016
2404:52c0::/32	4.3B × /64	APNIC	BD	30th Jan 2019
2404:5300::/32	4.3B × /64	APNIC	AU	2nd Jul 2012
2404:5340::/32	4.3B × /64	APNIC	BD	30th Jan 2019
2404:5400::/32	4.3B × /64	APNIC	AU	11th Feb 2010
2404:5480::/32	4.3B × /64	APNIC	JP	18th Feb 2016