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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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, 57651 to 57700 of 85285
Prefix	Addresses	Registry	Country	Allocated
2407:20c0::/32	4.3B × /64	APNIC	AU	16th Feb 2021
2407:21c0::/32	4.3B × /64	APNIC	HK	17th Feb 2021
2407:2240::/32	4.3B × /64	APNIC	VN	18th Feb 2021
2407:2280::/32	4.3B × /64	APNIC	CN	5th Sept 2016
2407:22c0::/32	4.3B × /64	APNIC	VN	18th Feb 2021
2407:2340::/32	4.3B × /64	APNIC	HK	21st Feb 2021
2407:2380::/32	4.3B × /64	APNIC	CN	5th Sept 2016
2407:2480::/32	4.3B × /64	APNIC	NZ	6th Sept 2016
2407:25c0::/32	4.3B × /64	APNIC	IN	25th Feb 2021
2407:2680::/32	4.3B × /64	APNIC	BD	6th Sept 2016
2407:2780::/32	4.3B × /64	APNIC	CN	6th Sept 2016
2407:27c0::/32	4.3B × /64	APNIC	VN	26th Feb 2021
2407:2800::/32	4.3B × /64	APNIC	WS	29th Apr 2009
2407:28c0::/32	4.3B × /64	APNIC	PH	26th Feb 2021
2407:2900::/32	4.3B × /64	APNIC	IN	17th Jun 2013
2407:2940::/32	4.3B × /64	APNIC	HK	1st Mar 2021
2407:2980::/32	4.3B × /64	APNIC	AU	6th Sept 2016
2407:2::/31	8.6B × /64	APNIC	ID	3rd Sept 2021
2407:2ac0::/32	4.3B × /64	APNIC	CN	3rd Mar 2021
2407:2b40::/32	4.3B × /64	APNIC	AU	3rd Mar 2021
2407:2b80::/32	4.3B × /64	APNIC	BD	6th Sept 2016
2407:2c40::/32	4.3B × /64	APNIC	IN	3rd Mar 2021
2407:2c80::/32	4.3B × /64	APNIC	AU	6th Sept 2016
2407:2d40::/32	4.3B × /64	APNIC	IN	3rd Mar 2021
2407:2d80::/32	4.3B × /64	APNIC	TH	7th Sept 2016
2407:2e01::/32	4.3B × /64	APNIC	AU	19th Jun 2014
2407:2fc0::/32	4.3B × /64	APNIC	MY	4th Mar 2021
2407:300::/32	4.3B × /64	APNIC	AU	23rd May 2013
2407:3040::/32	4.3B × /64	APNIC	BD	5th Mar 2021
2407:3180::/32	4.3B × /64	APNIC	IN	9th Sept 2016
2407:31c0::/32	4.3B × /64	APNIC	CN	10th Mar 2021
2407:3240::/32	4.3B × /64	APNIC	HK	10th Mar 2021
2407:32c1::/32	4.3B × /64	APNIC	AU	10th Mar 2021
2407:3340::/32	4.3B × /64	APNIC	CN	11th Mar 2021
2407:3400::/32	4.3B × /64	APNIC	IN	27th Feb 2010
2407:3440::/32	4.3B × /64	APNIC	VN	11th Mar 2021
2407:3480::/32	4.3B × /64	APNIC	BD	12th Sept 2016
2407:34c0::/32	4.3B × /64	APNIC	VN	11th Mar 2021
2407:3500::/32	4.3B × /64	APNIC	KR	17th Jun 2013
2407:3540::/32	4.3B × /64	APNIC	CN	11th Mar 2021
2407:3580::/32	4.3B × /64	APNIC	AU	12th Sept 2016
2407:3600::/32	4.3B × /64	APNIC	AU	21st Feb 2011
2407:3680::/32	4.3B × /64	APNIC	MN	12th Sept 2016
2407:3700::/32	4.3B × /64	APNIC	CN	18th Jun 2013
2407:3740::/32	4.3B × /64	APNIC	CN	16th Mar 2021
2407:3800::/32	4.3B × /64	APNIC	SB	30th Apr 2009
2407:380::/32	4.3B × /64	APNIC	AU	1st Sept 2016
2407:3900::/32	4.3B × /64	APNIC	CN	18th Jun 2013
2407:3940::/32	4.3B × /64	APNIC	IN	17th Mar 2021
2407:3980::/32	4.3B × /64	APNIC	HK	13th Sept 2016