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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

84,960 blocks match, ordered by prefix.

Allocated but unannounced blocks, 79401 to 79450 of 84960
PrefixAddressesRegistryCountryAllocated
43.250.100.0/221kAPNICCN23rd Oct 2014
43.250.108.0/221kAPNICCN23rd Oct 2014
43.250.12.0/221kAPNICCN21st Oct 2014
43.250.128.0/221kAPNICCN27th Oct 2014
43.250.148.0/221kAPNICCN28th Oct 2014
43.250.16.0/221kAPNICCN21st Oct 2014
43.250.160.0/221kAPNICCN28th Oct 2014
43.250.176.0/221kAPNICCN29th Oct 2014
43.250.180.0/23512APNICCN31st Oct 2023
43.250.20.0/221kAPNICCN21st Oct 2014
43.250.212.0/221kAPNICCN31st Oct 2014
43.250.216.0/221kAPNICCN31st Oct 2014
43.250.220.0/221kAPNICCN31st Oct 2014
43.250.228.0/221kAPNICKH31st Oct 2014
43.250.28.0/221kAPNICCN21st Oct 2014
43.250.36.0/221kAPNICCN21st Oct 2014
43.250.64.0/221kAPNICHK22nd Oct 2014
43.250.68.0/221kAPNICAU22nd Oct 2014
43.251.192.0/221kAPNICCN13th Nov 2014
43.251.248.0/221kAPNICHK17th Nov 2014
43.251.44.0/221kAPNICHK6th Nov 2014
43.251.76.0/221kAPNICHK7th Nov 2014
43.252.0.0/221kAPNICAU4th Jun 2014
43.252.146.0/23512APNICID7th Jun 2014
43.252.188.0/221kAPNICIN10th Jun 2014
43.252.200.0/221kAPNICHK10th Jun 2014
43.252.4.0/221kAPNICIN4th Jun 2014
43.252.56.0/221kAPNICCN5th Jun 2014
43.252.76.0/221kAPNICAU5th Jun 2014
43.254.112.0/221kAPNICCN24th Jul 2014
43.254.128.0/221kAPNICCN24th Jul 2014
43.254.180.0/221kAPNICCN25th Jul 2014
43.254.184.0/221kAPNICCN25th Jul 2014
43.254.188.0/221kAPNICCN25th Jul 2014
43.254.196.0/221kAPNICCN25th Jul 2014
43.254.208.0/221kAPNICCN25th Jul 2014
43.254.36.0/221kAPNICCN22nd Jul 2014
43.254.4.0/221kAPNICCN20th Jul 2014
43.254.68.0/221kAPNICID23rd Jul 2014
43.254.72.0/221kAPNICCN23rd Jul 2014
43.254.84.0/221kAPNICCN23rd Jul 2014
43.254.92.0/221kAPNICCN23rd Jul 2014
43.254.96.0/221kAPNICBD23rd Jul 2014
43.255.124.0/221kAPNICSG5th Aug 2014
43.255.128.0/221kAPNICAU5th Aug 2014
43.255.144.0/221kAPNICCN6th Aug 2014
43.255.176.0/221kAPNICCN7th Aug 2014
43.255.180.0/221kAPNICTW7th Aug 2014
43.255.192.0/221kAPNICCN7th Aug 2014
43.255.204.0/221kAPNICCN7th Aug 2014