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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

Browse by registry

Browse by country

Countries with unannounced space registered through APNIC, largest first.

Unannounced blocks registered through APNIC

22,592 blocks match, ordered by prefix.

Allocated but unannounced blocks, 17851 to 17900 of 22592
Prefix	Addresses	Registry	Country	Allocated
2402:6840::/32	4.3B × /64	APNIC	LA	29th Jan 2018
2402:68e0::/32	4.3B × /64	APNIC	BD	21st Jul 2026
2402:6900::/32	4.3B × /64	APNIC	AU	28th Oct 2011
2402:6920::/32	4.3B × /64	APNIC	BD	23rd Jul 2026
2402:6960::/32	4.3B × /64	APNIC	CN	23rd Jul 2026
2402:6980::/32	4.3B × /64	APNIC	ID	27th May 2015
2402:69a0::/32	4.3B × /64	APNIC	AU	26th Jul 2026
2402:69c0::/32	4.3B × /64	APNIC	ID	30th Jan 2018
2402:69e0::/32	4.3B × /64	APNIC	BD	28th Jul 2026
2402:6a00::/32	4.3B × /64	APNIC	CN	17th May 2010
2402:6a0::/32	4.3B × /64	APNIC	IN	1st May 2025
2402:6a60::/32	4.3B × /64	APNIC	PK	30th Jul 2026
2402:6a80::/32	4.3B × /64	APNIC	HK	28th May 2015
2402:6aa0::/32	4.3B × /64	APNIC	VN	30th Jul 2026
2402:6ac0::/32	4.3B × /64	APNIC	ID	31st Jan 2018
2402:6b20::/32	4.3B × /64	APNIC	TL	31st Jul 2026
2402:6b40::/32	4.3B × /64	APNIC	CN	1st Feb 2018
2402:6b60::/32	4.3B × /64	APNIC	HK	3rd Aug 2026
2402:6b80::/32	4.3B × /64	APNIC	AU	29th May 2015
2402:6ba0::/32	4.3B × /64	APNIC	JP	3rd Aug 2026
2402:6bc0::/32	4.3B × /64	APNIC	CN	1st Feb 2018
2402:6c60::/32	4.3B × /64	APNIC	VN	5th Aug 2026
2402:6ce0::/32	4.3B × /64	APNIC	TW	10th Aug 2026
2402:6d60::/32	4.3B × /64	APNIC	AU	11th Aug 2026
2402:6d80::/32	4.3B × /64	APNIC	PH	1st Jun 2015
2402:6de0::/32	4.3B × /64	APNIC	AU	11th Aug 2026
2402:6e00::/32	4.3B × /64	APNIC	CN	17th May 2010
2402:6e0::/32	4.3B × /64	APNIC	SG	2nd May 2025
2402:6e20::/32	4.3B × /64	APNIC	MM	11th Aug 2026
2402:6e40::/32	4.3B × /64	APNIC	HK	2nd Feb 2018
2402:6ee0::/32	4.3B × /64	APNIC	BD	14th Aug 2026
2402:6f00::/32	4.3B × /64	APNIC	HK	2nd Nov 2011
2402:6f20::/32	4.3B × /64	APNIC	AU	17th Aug 2026
2402:6f60::/32	4.3B × /64	APNIC	IN	17th Aug 2026
2402:6fa0::/32	4.3B × /64	APNIC	IN	17th Aug 2026
2402:6fe0::/32	4.3B × /64	APNIC	HK	18th Aug 2026
2402:7000::/32	4.3B × /64	APNIC	KR	2nd Apr 2008
2402:7080::/32	4.3B × /64	APNIC	CN	4th Jun 2015
2402:70a0::/29	34.4B × /64	APNIC	CN	19th Aug 2026
2402:70c0::/32	4.3B × /64	APNIC	CN	5th Feb 2018
2402:70e0::/32	4.3B × /64	APNIC	BT	19th Aug 2026
2402:7140::/32	4.3B × /64	APNIC	CN	6th Feb 2018
2402:71a0::/32	4.3B × /64	APNIC	MM	24th Aug 2026
2402:71c0::/32	4.3B × /64	APNIC	CN	6th Feb 2018
2402:7200::/32	4.3B × /64	APNIC	TK	18th May 2010
2402:7220::/32	4.3B × /64	APNIC	PK	25th Aug 2026
2402:7240::/32	4.3B × /64	APNIC	CN	7th Feb 2018
2402:7260::/32	4.3B × /64	APNIC	PK	28th Aug 2026
2402:72a0::/32	4.3B × /64	APNIC	CN	28th Aug 2026
2402:72c0::/32	4.3B × /64	APNIC	CN	7th Feb 2018