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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

6,720 blocks match, ordered by prefix.

Allocated but unannounced blocks, 4601 to 4650 of 6720
Prefix	Addresses	Registry	Country	Allocated
2402:a240::/32	4.3B × /64	APNIC	CN	22nd Mar 2018
2402:a280::/32	4.3B × /64	APNIC	CN	22nd Jul 2015
2402:a380::/32	4.3B × /64	APNIC	CN	22nd Jul 2015
2402:a60::/32	4.3B × /64	APNIC	CN	14th May 2025
2402:a640::/32	4.3B × /64	APNIC	CN	27th Mar 2018
2402:a680::/32	4.3B × /64	APNIC	CN	28th Jul 2015
2402:a6c0::/32	4.3B × /64	APNIC	CN	27th Mar 2018
2402:a840::/32	4.3B × /64	APNIC	CN	29th Mar 2018
2402:a880::/32	4.3B × /64	APNIC	CN	28th Jul 2015
2402:aa80::/32	4.3B × /64	APNIC	CN	28th Jul 2015
2402:ab80::/32	4.3B × /64	APNIC	CN	28th Jul 2015
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: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:b200::/32	4.3B × /64	APNIC	CN	28th May 2010
2402:b440::/32	4.3B × /64	APNIC	CN	8th Apr 2018
2402:b6c0::/32	4.3B × /64	APNIC	CN	9th 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:ba80::/32	4.3B × /64	APNIC	CN	5th Aug 2015
2402:bac0::/32	4.3B × /64	APNIC	CN	11th Apr 2018
2402:bbc0::/32	4.3B × /64	APNIC	CN	12th Apr 2018
2402:bf80::/32	4.3B × /64	APNIC	CN	12th Aug 2015
2402:c20::/32	4.3B × /64	APNIC	CN	21st May 2025
2402:c280::/32	4.3B × /64	APNIC	CN	14th Aug 2015
2402:c3c0::/32	4.3B × /64	APNIC	CN	17th Apr 2018
2402:c5c0::/32	4.3B × /64	APNIC	CN	18th Apr 2018
2402:c9c0::/32	4.3B × /64	APNIC	CN	23rd Apr 2018
2402:cc40::/32	4.3B × /64	APNIC	CN	25th Apr 2018
2402:cf00::/32	4.3B × /64	APNIC	CN	4th Jan 2012
2402:cf40::/32	4.3B × /64	APNIC	CN	27th Apr 2018
2402:d040::/32	4.3B × /64	APNIC	CN	28th Apr 2018
2402:d140::/32	4.3B × /64	APNIC	CN	1st May 2018
2402:d300::/32	4.3B × /64	APNIC	CN	5th Jan 2012
2402:d380::/32	4.3B × /64	APNIC	CN	27th Aug 2015
2402:d5c0::/32	4.3B × /64	APNIC	CN	4th May 2018
2402:d6c0::/32	4.3B × /64	APNIC	CN	7th May 2018
2402:d740::/32	4.3B × /64	APNIC	CN	7th May 2018
2402:d780::/32	4.3B × /64	APNIC	CN	1st Sept 2015
2402:d880::/32	4.3B × /64	APNIC	CN	2nd Sept 2015
2402:d980::/32	4.3B × /64	APNIC	CN	2nd Sept 2015
2402:da40::/32	4.3B × /64	APNIC	CN	9th May 2018
2402:dcc0::/32	4.3B × /64	APNIC	CN	10th May 2018
2402:de40::/32	4.3B × /64	APNIC	CN	14th May 2018
2402:dec0::/32	4.3B × /64	APNIC	CN	14th May 2018
2402:df40::/32	4.3B × /64	APNIC	CN	14th May 2018
2402:e00::/32	4.3B × /64	APNIC	CN	5th May 2010