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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

Unannounced blocks in Canada

3,819 blocks match, ordered by prefix.

Allocated but unannounced blocks, 401 to 450 of 3819
PrefixAddressesRegistryCountryAllocated
192.16.213.0/24256ARINCA21st Nov 1988
192.16.214.0/24256ARINCA21st Nov 1988
192.16.215.0/24256ARINCA21st Nov 1988
192.16.216.0/24256ARINCA21st Nov 1988
192.16.217.0/24256ARINCA21st Nov 1988
192.16.218.0/24256ARINCA21st Nov 1988
192.16.219.0/24256ARINCA14th Mar 1991
192.16.220.0/24256ARINCA14th Mar 1991
192.16.221.0/24256ARINCA14th Mar 1991
192.16.222.0/24256ARINCA14th Mar 1991
192.16.223.0/24256ARINCA14th Mar 1991
192.16.224.0/24256ARINCA14th Mar 1991
192.16.225.0/24256ARINCA14th Mar 1991
192.16.226.0/24256ARINCA14th Mar 1991
192.16.227.0/24256ARINCA14th Mar 1991
192.16.228.0/24256ARINCA14th Mar 1991
192.16.229.0/24256ARINCA14th Mar 1991
192.16.230.0/24256ARINCA14th Mar 1991
192.16.231.0/24256ARINCA14th Mar 1991
192.16.232.0/24256ARINCA30th Dec 1991
192.16.233.0/24256ARINCA30th Dec 1991
192.16.234.0/24256ARINCA30th Dec 1991
192.16.235.0/24256ARINCA30th Dec 1991
192.16.236.0/24256ARINCA29th Oct 1992
192.16.237.0/24256ARINCA29th Oct 1992
192.16.238.0/24256ARINCA29th Oct 1992
192.16.239.0/24256ARINCA30th Dec 1991
192.16.240.0/24256ARINCA30th Dec 1991
192.16.241.0/24256ARINCA30th Dec 1991
192.16.242.0/24256ARINCA30th Dec 1991
192.16.243.0/24256ARINCA30th Dec 1991
192.16.244.0/24256ARINCA30th Dec 1991
192.16.245.0/24256ARINCA30th Dec 1991
192.16.246.0/24256ARINCA30th Dec 1991
192.16.247.0/24256ARINCA30th Dec 1991
192.16.248.0/24256ARINCA30th Dec 1991
192.16.249.0/24256ARINCA30th Dec 1991
192.16.252.0/24256ARINCA30th Dec 1991
192.16.253.0/24256ARINCA30th Dec 1991
192.16.254.0/24256ARINCA30th Dec 1991
192.16.255.0/24256ARINCA30th Dec 1991
192.169.4.0/24256ARINCA3rd Oct 2022
192.171.114.0/23512ARINCA17th Mar 2015
192.172.254.0/24256ARINCA11th Jun 1992
192.188.168.0/24256ARINCA20th Jul 1992
192.188.169.0/24256ARINCA20th Jul 1992
192.189.0.0/24256ARINCA3rd Oct 2025
192.189.22.0/24256ARINCA18th Jun 1992
192.189.67.0/24256ARINCA10th Jul 1992
192.189.68.0/24256ARINCA10th Jul 1992