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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

Unannounced blocks registered through LACNIC

4,655 blocks match, ordered by prefix.

Allocated but unannounced blocks, 4201 to 4250 of 4655
Prefix	Addresses	Registry	Country	Allocated
2804:938c::/32	4.3B × /64	LACNIC	BR	1st Apr 2025
2804:93ac::/32	4.3B × /64	LACNIC	BR	14th Apr 2025
2804:93c8::/32	4.3B × /64	LACNIC	BR	17th Apr 2025
2804:93cc::/32	4.3B × /64	LACNIC	BR	17th Apr 2025
2804:93f0::/32	4.3B × /64	LACNIC	BR	5th May 2025
2804:9408::/32	4.3B × /64	LACNIC	BR	12th May 2025
2804:940::/32	4.3B × /64	LACNIC	BR	21st Mar 2012
2804:9424::/32	4.3B × /64	LACNIC	BR	23rd May 2025
2804:9450::/32	4.3B × /64	LACNIC	BR	9th Jun 2025
2804:9454::/32	4.3B × /64	LACNIC	BR	9th Jun 2025
2804:9460::/32	4.3B × /64	LACNIC	BR	16th Jun 2025
2804:9488::/32	4.3B × /64	LACNIC	BR	3rd Jul 2025
2804:948::/32	4.3B × /64	LACNIC	BR	26th Mar 2012
2804:948c::/32	4.3B × /64	LACNIC	BR	4th Jul 2025
2804:9490::/32	4.3B × /64	LACNIC	BR	4th Jul 2025
2804:94a4::/32	4.3B × /64	LACNIC	BR	8th Jul 2025
2804:94b0::/32	4.3B × /64	LACNIC	BR	10th Jul 2025
2804:94c::/32	4.3B × /64	LACNIC	BR	27th Mar 2012
2804:94d8::/32	4.3B × /64	LACNIC	BR	14th Jul 2025
2804:94dc::/32	4.3B × /64	LACNIC	BR	14th Jul 2025
2804:94e0::/32	4.3B × /64	LACNIC	BR	16th Jul 2025
2804:9504::/32	4.3B × /64	LACNIC	BR	29th Jul 2025
2804:951c::/32	4.3B × /64	LACNIC	BR	31st Jul 2025
2804:9540::/32	4.3B × /64	LACNIC	BR	12th Aug 2025
2804:9550::/32	4.3B × /64	LACNIC	BR	15th Aug 2025
2804:956c::/32	4.3B × /64	LACNIC	BR	26th Aug 2025
2804:9580::/32	4.3B × /64	LACNIC	BR	2nd Sept 2025
2804:9584::/32	4.3B × /64	LACNIC	BR	3rd Sept 2025
2804:95a8::/32	4.3B × /64	LACNIC	BR	15th Sept 2025
2804:95ac::/32	4.3B × /64	LACNIC	BR	15th Sept 2025
2804:95cc::/32	4.3B × /64	LACNIC	BR	26th Sept 2025
2804:95dc::/32	4.3B × /64	LACNIC	BR	29th Sept 2025
2804:95ec::/32	4.3B × /64	LACNIC	BR	6th Oct 2025
2804:95f8::/32	4.3B × /64	LACNIC	BR	14th Oct 2025
2804:95fc::/32	4.3B × /64	LACNIC	BR	14th Oct 2025
2804:9600::/32	4.3B × /64	LACNIC	BR	15th Oct 2025
2804:960::/32	4.3B × /64	LACNIC	BR	4th Apr 2012
2804:9634::/32	4.3B × /64	LACNIC	BR	24th Oct 2025
2804:9658::/32	4.3B × /64	LACNIC	BR	29th Oct 2025
2804:968::/32	4.3B × /64	LACNIC	BR	16th Apr 2012
2804:968c::/32	4.3B × /64	LACNIC	BR	7th Nov 2025
2804:9694::/32	4.3B × /64	LACNIC	BR	10th Nov 2025
2804:9698::/32	4.3B × /64	LACNIC	BR	10th Nov 2025
2804:969c::/32	4.3B × /64	LACNIC	BR	10th Nov 2025
2804:96ac::/32	4.3B × /64	LACNIC	BR	11th Nov 2025
2804:96bc::/32	4.3B × /64	LACNIC	BR	17th Nov 2025
2804:96c4::/32	4.3B × /64	LACNIC	BR	19th Nov 2025
2804:96cc::/32	4.3B × /64	LACNIC	BR	19th Nov 2025
2804:96dc::/32	4.3B × /64	LACNIC	BR	24th Nov 2025
2804:96e8::/32	4.3B × /64	LACNIC	BR	26th Nov 2025