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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

Browse by registry

Browse by country

Countries with unannounced space registered through APNIC, largest first.

Unannounced blocks in China

6,720 blocks match, ordered by prefix.

Allocated but unannounced blocks, 1051 to 1100 of 6720
PrefixAddressesRegistryCountryAllocated
103.231.180.0/221kAPNICCN15th May 2014
103.231.20.0/221kAPNICCN8th May 2014
103.231.244.0/221kAPNICCN21st May 2014
103.232.188.0/221kAPNICCN11th Aug 2016
103.232.4.0/221kAPNICCN21st May 2014
103.233.104.0/221kAPNICCN9th Jun 2014
103.233.228.0/221kAPNICCN13th Jun 2014
103.233.44.0/221kAPNICCN5th Jun 2014
103.234.0.0/221kAPNICCN16th Jun 2014
103.234.172.0/221kAPNICCN24th Jun 2014
103.234.180.0/221kAPNICCN24th Jun 2014
103.234.244.0/221kAPNICCN27th Jun 2014
103.235.132.0/221kAPNICCN4th Jul 2014
103.235.140.0/221kAPNICCN4th Jul 2014
103.235.148.0/221kAPNICCN4th Jul 2014
103.235.184.0/221kAPNICCN8th Jul 2014
103.235.192.0/221kAPNICCN8th Jul 2014
103.235.200.0/221kAPNICCN9th Jul 2014
103.235.48.0/221kAPNICCN2nd Jul 2014
103.235.56.0/221kAPNICCN2nd Jul 2014
103.235.60.0/221kAPNICCN2nd Jul 2014
103.235.80.0/221kAPNICCN3rd Jul 2014
103.236.0.0/221kAPNICCN10th Jul 2014
103.236.12.0/221kAPNICCN10th Jul 2014
103.236.16.0/221kAPNICCN10th Jul 2014
103.236.184.0/221kAPNICCN27th Aug 2015
103.236.20.0/221kAPNICCN10th Jul 2014
103.236.220.0/221kAPNICCN1st Sept 2015
103.236.232.0/221kAPNICCN1st Sept 2015
103.236.24.0/221kAPNICCN10th Jul 2014
103.236.240.0/221kAPNICCN2nd Sept 2015
103.236.28.0/221kAPNICCN10th Jul 2014
103.236.32.0/221kAPNICCN10th Jul 2014
103.236.36.0/221kAPNICCN11th Jul 2014
103.236.4.0/221kAPNICCN10th Jul 2014
103.236.40.0/221kAPNICCN11th Jul 2014
103.236.44.0/221kAPNICCN11th Jul 2014
103.236.48.0/221kAPNICCN11th Jul 2014
103.236.8.0/221kAPNICCN10th Jul 2014
103.237.0.0/221kAPNICCN9th Jul 2014
103.237.12.0/221kAPNICCN9th Jul 2014
103.237.152.0/221kAPNICCN16th Jul 2014
103.237.24.0/221kAPNICCN10th Jul 2014
103.237.252.0/221kAPNICCN18th Jul 2014
103.237.4.0/221kAPNICCN9th Jul 2014
103.237.68.0/221kAPNICCN16th Jul 2014
103.237.88.0/221kAPNICCN14th Jul 2014
103.238.152.0/23512APNICCN14th Jul 2023
103.238.164.0/221kAPNICCN25th Jul 2014
103.238.168.0/221kAPNICCN25th Jul 2014