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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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 unannounced space registered through APNIC, largest first.

Unannounced blocks registered through APNIC

22,575 blocks match, ordered by prefix.

Allocated but unannounced blocks, 18051 to 18100 of 22575
Prefix	Addresses	Registry	Country	Allocated
2402:ac80::/32	4.3B × /64	APNIC	AU	29th Jul 2015
2402:ad00::/32	4.3B × /64	APNIC	AU	12th Dec 2011
2402:adc0::/32	4.3B × /64	APNIC	IN	3rd Apr 2018
2402:ae00::/32	4.3B × /64	APNIC	CN	28th May 2010
2402:ae40::/32	4.3B × /64	APNIC	CN	4th Apr 2018
2402:aec0::/32	4.3B × /64	APNIC	CN	4th Apr 2018
2402:af40::/32	4.3B × /64	APNIC	JP	4th Apr 2018
2402:af80::/32	4.3B × /64	APNIC	CN	29th Jul 2015
2402:afc0::/32	4.3B × /64	APNIC	CN	4th Apr 2018
2402:b080::/32	4.3B × /64	APNIC	CN	31st Jul 2015
2402:b100::/32	4.3B × /64	APNIC	AU	13th Dec 2011
2402:b1c0::/32	4.3B × /64	APNIC	BD	5th Apr 2018
2402:b200::/32	4.3B × /64	APNIC	CN	28th May 2010
2402:b20::/32	4.3B × /64	APNIC	TW	15th May 2025
2402:b2c0::/32	4.3B × /64	APNIC	BD	6th Apr 2018
2402:b340::/32	4.3B × /64	APNIC	KH	6th Apr 2018
2402:b40::/32	4.3B × /64	APNIC	VN	23rd Nov 2017
2402:b440::/32	4.3B × /64	APNIC	CN	8th Apr 2018
2402:b480::/32	4.3B × /64	APNIC	AU	4th Aug 2015
2402:b580::/32	4.3B × /64	APNIC	IN	4th Aug 2015
2402:b6c0::/32	4.3B × /64	APNIC	CN	9th Apr 2018
2402:b700::/32	4.3B × /64	APNIC	JP	16th Dec 2011
2402:b840::/32	4.3B × /64	APNIC	HK	10th Apr 2018
2402:b880::/32	4.3B × /64	APNIC	CN	5th Aug 2015
2402:b980::/32	4.3B × /64	APNIC	CN	5th Aug 2015
2402:ba00::/32	4.3B × /64	APNIC	PH	7th Jun 2010
2402:ba80::/32	4.3B × /64	APNIC	CN	5th Aug 2015
2402:bac0::/32	4.3B × /64	APNIC	CN	11th Apr 2018
2402:bb80::/32	4.3B × /64	APNIC	AU	5th Aug 2015
2402:bbc0::/32	4.3B × /64	APNIC	CN	12th Apr 2018
2402:bc0::/32	4.3B × /64	APNIC	BD	24th Nov 2017
2402:bc40::/32	4.3B × /64	APNIC	BD	12th Apr 2018
2402:bd00::/32	4.3B × /64	APNIC	AU	21st Dec 2011
2402:bd40::/32	4.3B × /64	APNIC	BD	12th Apr 2018
2402:bdc0::/32	4.3B × /64	APNIC	HK	12th Apr 2018
2402:be00::/32	4.3B × /64	APNIC	KR	8th Jun 2010
2402:be40::/32	4.3B × /64	APNIC	IN	12th Apr 2018
2402:bf40::/32	4.3B × /64	APNIC	BD	13th Apr 2018
2402:bf80::/32	4.3B × /64	APNIC	CN	12th Aug 2015
2402:bfc0::/32	4.3B × /64	APNIC	IN	13th Apr 2018
2402:c080::/31	8.6B × /64	APNIC	JP	13th Aug 2015
2402:c140::/32	4.3B × /64	APNIC	BD	16th Apr 2018
2402:c1c0::/32	4.3B × /64	APNIC	BD	16th Apr 2018
2402:c20::/32	4.3B × /64	APNIC	CN	21st May 2025
2402:c240::/32	4.3B × /64	APNIC	NZ	16th Apr 2018
2402:c280::/32	4.3B × /64	APNIC	CN	14th Aug 2015
2402:c380::/32	4.3B × /64	APNIC	TH	14th Aug 2015
2402:c3c0::/32	4.3B × /64	APNIC	CN	17th Apr 2018
2402:c40::/32	4.3B × /64	APNIC	IN	24th Nov 2017
2402:c500::/32	4.3B × /64	APNIC	AU	28th Dec 2011