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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

Unannounced blocks in Canada

3,775 blocks match, ordered by prefix.

Allocated but unannounced blocks, 651 to 700 of 3775
PrefixAddressesRegistryCountryAllocated
192.64.164.0/24256ARINCA3rd Oct 1989
192.64.38.0/24256ARINCA7th Jun 1995
192.68.116.0/23512ARINCA23rd Dec 2024
192.68.137.0/24256ARINCA7th Mar 1990
192.68.184.0/24256ARINCA24th Mar 1990
192.68.229.0/24256ARINCA13th Jun 1990
192.68.53.0/24256ARINCA15th Feb 1990
192.68.54.0/23512ARINCA15th Feb 1990
192.68.56.0/212kARINCA15th Feb 1990
192.68.64.0/23512ARINCA15th Feb 1990
192.68.66.0/24256ARINCA15th Feb 1990
192.68.67.0/24256ARINCA30th Apr 1993
192.69.101.0/24256ARINCA22nd Jun 2000
192.70.224.0/24256ARINCA9th Apr 1990
192.73.5.0/24256ARINCA3rd Jul 1990
192.75.1.0/24256ARINCA8th Aug 1990
192.75.100.0/24256ARINCA27th Apr 1993
192.75.102.0/23512ARINCA26th Mar 1990
192.75.104.0/24256ARINCA11th Jul 1991
192.75.107.0/24256ARINCA5th Feb 1992
192.75.108.0/24256ARINCA5th Feb 1992
192.75.109.0/24256ARINCA5th Feb 1992
192.75.110.0/24256ARINCA5th Feb 1992
192.75.111.0/24256ARINCA5th Feb 1992
192.75.112.0/24256ARINCA5th Feb 1992
192.75.113.0/24256ARINCA5th Feb 1992
192.75.115.0/24256ARINCA5th Feb 1992
192.75.119.0/24256ARINCA5th Feb 1992
192.75.124.0/24256ARINCA5th Feb 1992
192.75.125.0/24256ARINCA5th Feb 1992
192.75.126.0/24256ARINCA5th Feb 1992
192.75.127.0/24256ARINCA5th Feb 1992
192.75.128.0/24256ARINCA5th Feb 1992
192.75.129.0/24256ARINCA5th Feb 1992
192.75.13.0/24256ARINCA26th Mar 1990
192.75.130.0/24256ARINCA5th Feb 1992
192.75.132.0/24256ARINCA5th Feb 1992
192.75.133.0/24256ARINCA5th Feb 1992
192.75.141.0/24256ARINCA26th Mar 1990
192.75.142.0/24256ARINCA6th Jul 1993
192.75.143.0/24256ARINCA26th Mar 1990
192.75.148.0/24256ARINCA14th Jun 1991
192.75.149.0/24256ARINCA14th Jun 1991
192.75.15.0/24256ARINCA21st Sept 1990
192.75.150.0/24256ARINCA14th Jun 1991
192.75.151.0/24256ARINCA21st Jun 1991
192.75.152.0/24256ARINCA21st Jun 1991
192.75.153.0/24256ARINCA28th Jun 1991
192.75.154.0/24256ARINCA26th Mar 1990
192.75.155.0/24256ARINCA26th Mar 1990