IPv4 Transfers January 2016

In January 2016, the five Regional Internet Registries recorded 274 transfers: 1,074,688 IPv4 addresses in 228 blocks, plus 7 IPv6 blocks and 39 AS numbers. 0 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
1.1M
228 IPv4 blocks
Registry transfers
274
7 IPv6 / 39 ASN
Inter-RIR transfers
0
0 IPv4 addresses (0%)
Mergers and acquisitions
42
232 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, January 2016
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN85596,992--
RIPE NCC159262,912--
APNIC30214,784--

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, January 2016
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/1665,53693.9%589,824
/1732,76831.3%98,304
/1816,38452.2%81,920
/198,19293.9%73,728
/204,096219.2%86,016
/212,0483214.0%65,536
/221,0244118.0%41,984
/235123816.7%19,456
/242567030.7%17,920

IPv4 transferred across country borders in January 2016. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.

Largest IPv4 Transfers January 2016