IPv4 Transfers March 2012

In March 2012, the five Regional Internet Registries recorded 15 transfers: 1,174,784 IPv4 addresses in 15 blocks, plus 0 IPv6 blocks and 0 AS numbers. 0 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
1.2M
15 IPv4 blocks
Registry transfers
15
0 IPv6 / 0 ASN
Inter-RIR transfers
0
0 IPv4 addresses (0%)
Mergers and acquisitions
0
15 market transfers

Transfer Volume by RIR

Transfers counted at the receiving registry. Inter-RIR columns show IPv4 that entered or left the region.

Transfers per Regional Internet Registry, March 2012
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN31,116,160--
APNIC1258,624--

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, March 2012
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/121,048,57616.7%1,048,576
/1665,53616.7%65,536
/1732,76816.7%32,768
/1816,38416.7%16,384
/204,09616.7%4,096
/212,04816.7%2,048
/221,024426.7%4,096
/24256533.3%1,280

IPv4 transferred across country borders in March 2012. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.

Largest IPv4 Transfers March 2012