IPv4 Transfers May 2012

In May 2012, the five Regional Internet Registries recorded 26 transfers: 1,124,352 IPv4 addresses in 26 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
1.1M
26 IPv4 blocks
Registry transfers
26
0 IPv6 / 0 ASN
Inter-RIR transfers
0
0 IPv4 addresses (0%)
Mergers and acquisitions
0
26 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, May 2012
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN61,118,208--
APNIC206,144--

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, May 2012
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/13524,28813.8%524,288
/14262,14413.8%262,144
/15131,07227.7%262,144
/1665,53613.8%65,536
/204,09613.8%4,096
/221,02413.8%1,024
/2351213.8%512
/242561869.2%4,608

Top Receiving Countries

  1. 1🇺🇸 United States1.1M

Top Source Countries

  1. 1🇨🇦 Canada1.1M

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

Largest IPv4 Transfers May 2012