SUBNET.IM

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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

2,822 blocks match, ordered by prefix.

Allocated but unannounced blocks, 2801 to 2822 of 2822
PrefixAddressesRegistryCountryAllocated
2407:f00::/324.3B × /64APNICID31st May 2013
2407:f200::/324.3B × /64APNICID29th Mar 2011
27.111.48.0/204.1kAPNICID29th Jun 2010
27.112.76.0/24256APNICID6th Jul 2010
36.50.109.0/24256APNICID14th Dec 2023
36.50.120.0/23512APNICID14th Dec 2023
36.50.126.0/23512APNICID15th Dec 2023
36.50.136.0/23512APNICID15th Dec 2023
36.50.215.0/24256APNICID22nd Dec 2023
36.50.216.0/23512APNICID22nd Dec 2023
36.50.242.0/23512APNICID27th Dec 2023
36.50.244.0/23512APNICID27th Dec 2023
36.50.246.0/23512APNICID28th Dec 2023
43.227.148.0/221kAPNICID22nd Dec 2014
43.229.252.0/24256APNICID30th Jan 2015
43.241.148.0/221kAPNICID19th May 2017
43.243.152.0/221kAPNICID12th Sept 2014
43.252.146.0/23512APNICID7th Jun 2014
43.254.68.0/221kAPNICID23rd Jul 2014
45.249.180.0/23512APNICID10th Aug 2026
45.249.182.0/23512APNICID10th Aug 2026
45.64.44.0/221kAPNICID12th Jun 2014