IPv4 Transfers August 2015

In August 2015, the five Regional Internet Registries recorded 390 transfers: 7,812,864 IPv4 addresses in 337 blocks, plus 12 IPv6 blocks and 41 AS numbers. 9 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
7.8M
337 IPv4 blocks
Registry transfers
390
12 IPv6 / 41 ASN
Inter-RIR transfers
9
329K IPv4 addresses (4%)
Mergers and acquisitions
107
283 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, August 2015
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN1356,957,5689,216320,000
RIPE NCC229482,048--
APNIC26373,248320,0009,216

Inter-RIR Transfers August 2015

IPv4 addresses moved from one registry to another. All inter-RIR transfers

IPv4 addresses transferred between Regional Internet Registries
From ↓ / To β†’RIPE NCCARINAPNICLACNICAFRINIC
RIPE NCC-0000
ARIN0-
320K
7 transfers
00
APNIC0
9,216
2 transfers
-00
LACNIC000-0
AFRINIC0000-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, August 2015
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/121,048,57641.2%4,194,304
/13524,28810.3%524,288
/14262,14420.6%524,288
/15131,07272.1%917,504
/1665,536144.2%917,504
/1732,76841.2%131,072
/1816,38492.7%147,456
/198,192216.2%172,032
/204,096195.6%77,824
/212,0484112.2%83,968
/221,0247321.7%74,752
/235124513.4%23,040
/242569728.8%24,832

IPv4 transferred across country borders in August 2015. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.

Largest IPv4 Transfers August 2015