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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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, 2151 to 2200 of 2832
Prefix	Addresses	Registry	Country	Allocated
2400:8de0::/32	4.3B × /64	APNIC	IN	28th Jun 2022
2400:8f20::/32	4.3B × /64	APNIC	IN	1st Jul 2022
2400:9080::/32	4.3B × /64	APNIC	IN	16th Jan 2014
2400:9160::/32	4.3B × /64	APNIC	IN	5th Jul 2022
2400:92e0::/32	4.3B × /64	APNIC	IN	8th Jul 2022
2400:9980::/32	4.3B × /64	APNIC	IN	5th Feb 2014
2400:9ba0::/32	4.3B × /64	APNIC	IN	1st Aug 2022
2400:9d20::/32	4.3B × /64	APNIC	IN	4th Aug 2022
2400:9d80::/32	4.3B × /64	APNIC	IN	10th Feb 2014
2400:9f60::/32	4.3B × /64	APNIC	IN	11th Aug 2022
2400:a1e0::/32	4.3B × /64	APNIC	IN	23rd Aug 2022
2400:a660::/32	4.3B × /64	APNIC	IN	1st Sept 2022
2400:ab20::/32	4.3B × /64	APNIC	IN	15th Sept 2022
2400:abe0::/32	4.3B × /64	APNIC	IN	16th Sept 2022
2400:aee0::/32	4.3B × /64	APNIC	IN	27th Sept 2022
2400:b060::/32	4.3B × /64	APNIC	IN	28th Sept 2022
2400:b1e0::/32	4.3B × /64	APNIC	IN	30th Sept 2022
2400:b220::/32	4.3B × /64	APNIC	IN	30th Sept 2022
2400:b2e0::/32	4.3B × /64	APNIC	IN	3rd Oct 2022
2400:b320::/32	4.3B × /64	APNIC	IN	3rd Oct 2022
2400:b580::/32	4.3B × /64	APNIC	IN	5th Mar 2014
2400:b640::/32	4.3B × /64	APNIC	IN	17th Feb 2017
2400:b720::/32	4.3B × /64	APNIC	IN	14th Oct 2022
2400:b7e0::/32	4.3B × /64	APNIC	IN	19th Oct 2022
2400:be60::/32	4.3B × /64	APNIC	IN	7th Nov 2022
2400:c2a0::/32	4.3B × /64	APNIC	IN	17th Nov 2022
2400:c2e0::/32	4.3B × /64	APNIC	IN	17th Nov 2022
2400:c6c0::/32	4.3B × /64	APNIC	IN	2nd Mar 2017
2400:c820::/32	4.3B × /64	APNIC	IN	5th Dec 2022
2400:c8e0::/32	4.3B × /64	APNIC	IN	7th Dec 2022
2400:c920::/32	4.3B × /64	APNIC	IN	7th Dec 2022
2400:ce60::/32	4.3B × /64	APNIC	IN	23rd Dec 2022
2400:d3c0::/32	4.3B × /64	APNIC	IN	8th Mar 2017
2400:d6e0::/32	4.3B × /64	APNIC	IN	17th Jan 2023
2400:d8a0::/32	4.3B × /64	APNIC	IN	20th Jan 2023
2400:d920::/32	4.3B × /64	APNIC	IN	24th Jan 2023
2400:d9e0::/32	4.3B × /64	APNIC	IN	30th Jan 2023
2400:daa0::/32	4.3B × /64	APNIC	IN	31st Jan 2023
2400:dde0::/32	4.3B × /64	APNIC	IN	13th Feb 2023
2400:df60::/32	4.3B × /64	APNIC	IN	15th Feb 2023
2400:dfe0::/32	4.3B × /64	APNIC	IN	16th Feb 2023
2400:e020::/32	4.3B × /64	APNIC	IN	16th Feb 2023
2400:e1a0::/32	4.3B × /64	APNIC	IN	21st Feb 2023
2400:e3a0::/32	4.3B × /64	APNIC	IN	27th Feb 2023
2400:e620::/32	4.3B × /64	APNIC	IN	6th Mar 2023
2400:e720::/32	4.3B × /64	APNIC	IN	8th Mar 2023
2400:e960::/32	4.3B × /64	APNIC	IN	13th Mar 2023
2400:e980::/32	4.3B × /64	APNIC	IN	24th Apr 2014
2400:e9a0::/32	4.3B × /64	APNIC	IN	13th Mar 2023
2400:eae0::/32	4.3B × /64	APNIC	IN	14th Mar 2023