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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

2,832 blocks match, ordered by prefix.

Allocated but unannounced blocks, 2401 to 2450 of 2832
Prefix	Addresses	Registry	Country	Allocated
2403:74c0::/32	4.3B × /64	APNIC	IN	30th Aug 2018
2403:8740::/32	4.3B × /64	APNIC	IN	10th Sept 2018
2403:8dc0::/32	4.3B × /64	APNIC	IN	13th Sept 2018
2403:8fc0::/32	4.3B × /64	APNIC	IN	17th Sept 2018
2403:ad00::/32	4.3B × /64	APNIC	IN	24th Apr 2012
2403:bd00::/32	4.3B × /64	APNIC	IN	2nd May 2012
2403:be80::/32	4.3B × /64	APNIC	IN	27th Nov 2015
2403:c680::/32	4.3B × /64	APNIC	IN	1st Dec 2015
2403:e540::/32	4.3B × /64	APNIC	IN	5th Nov 2018
2404:1340::/32	4.3B × /64	APNIC	IN	7th Dec 2018
2404:1500::/32	4.3B × /64	APNIC	IN	31st May 2012
2404:17c0::/32	4.3B × /64	APNIC	IN	11th Dec 2018
2404:4c80::/32	4.3B × /64	APNIC	IN	11th Feb 2016
2404:5780::/32	4.3B × /64	APNIC	IN	19th Feb 2016
2404:5dc0::/32	4.3B × /64	APNIC	IN	5th Feb 2019
2404:6780::/32	4.3B × /64	APNIC	IN	29th Feb 2016
2404:6e80::/32	4.3B × /64	APNIC	IN	2nd Mar 2016
2404:7300::/32	4.3B × /64	APNIC	IN	13th Jul 2012
2404:7700::/32	4.3B × /64	APNIC	IN	18th Jul 2012
2404:7b00::/32	4.3B × /64	APNIC	IN	18th Jul 2012
2404:8b40::/32	4.3B × /64	APNIC	IN	5th Mar 2019
2404:8b80::/32	4.3B × /64	APNIC	IN	17th Mar 2016
2404:8c40::/32	4.3B × /64	APNIC	IN	5th Mar 2019
2404:8e40::/32	4.3B × /64	APNIC	IN	6th Mar 2019
2404:8fc0::/32	4.3B × /64	APNIC	IN	6th Mar 2019
2404:9100::/32	4.3B × /64	APNIC	IN	25th Jul 2012
2404:a280::/32	4.3B × /64	APNIC	IN	30th Mar 2016
2404:aa40::/32	4.3B × /64	APNIC	IN	22nd Mar 2019
2404:ac00::/32	4.3B × /64	APNIC	IN	11th Feb 2010
2404:ad40::/32	4.3B × /64	APNIC	IN	25th Mar 2019
2404:c00::/32	4.3B × /64	APNIC	IN	8th Feb 2010
2404:c580::/32	4.3B × /64	APNIC	IN	11th Apr 2016
2404:c980::/32	4.3B × /64	APNIC	IN	14th Apr 2016
2404:e580::/32	4.3B × /64	APNIC	IN	27th Apr 2016
2404:eec0::/32	4.3B × /64	APNIC	IN	7th Jun 2019
2404:f680::/32	4.3B × /64	APNIC	IN	3rd May 2016
2404:f840::/32	4.3B × /64	APNIC	IN	20th Jun 2019
2405:11c0::/32	4.3B × /64	APNIC	IN	17th Jul 2019
2405:1240::/32	4.3B × /64	APNIC	IN	18th Jul 2019
2405:1ec0::/32	4.3B × /64	APNIC	IN	30th Jul 2019
2405:23c0::/32	4.3B × /64	APNIC	IN	7th Aug 2019
2405:2400::/32	4.3B × /64	APNIC	IN	11th Feb 2010
2405:26c0::/32	4.3B × /64	APNIC	IN	9th Aug 2019
2405:27c0::/32	4.3B × /64	APNIC	IN	14th Aug 2019
2405:32c0::/32	4.3B × /64	APNIC	IN	23rd Aug 2019
2405:34c0::/32	4.3B × /64	APNIC	IN	23rd Aug 2019
2405:4040::/32	4.3B × /64	APNIC	IN	2nd Sept 2019
2405:56c0::/32	4.3B × /64	APNIC	IN	26th Sept 2019
2405:5bc0::/32	4.3B × /64	APNIC	IN	4th Oct 2019
2405:5c0::/32	4.3B × /64	APNIC	IN	8th Jul 2019