IPv4 Transfers August 2023

In August 2023, the five Regional Internet Registries recorded 906 transfers: 3,736,832 IPv4 addresses in 694 blocks, plus 87 IPv6 blocks and 125 AS numbers. 42 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
3.7M
694 IPv4 blocks
Registry transfers
906
87 IPv6 / 125 ASN
Inter-RIR transfers
42
643K IPv4 addresses (17%)
Mergers and acquisitions
314
592 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 2023
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN2482,243,840465,408140,800
RIPE NCC5571,367,552154,624484,352
APNIC8199,58421,5049,216
LACNIC1822,7841,5368,704
AFRINIC23,072--

Inter-RIR Transfers August 2023

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

IPv4 addresses transferred between Regional Internet Registries
From ↓ / To →RIPE NCCARINAPNICLACNICAFRINIC
RIPE NCC-
462K
7 transfers
22K
3 transfers
1,024
1 transfers
0
ARIN
140K
12 transfers
-0
512
2 transfers
0
APNIC
5,632
10 transfers
3,584
4 transfers
-00
LACNIC
8,704
3 transfers
00-0
AFRINIC0000-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, August 2023
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/14262,14410.1%262,144
/15131,07210.1%131,072
/1665,536355.0%2,293,760
/1732,76820.3%65,536
/1816,384131.9%212,992
/198,192273.9%221,184
/204,096294.2%118,784
/212,048598.5%120,832
/221,02420429.4%208,896
/235127410.7%37,888
/2425624935.9%63,744

Top Receiving Countries

  1. 1🇨🇦 Canada34K
  2. 2🇺🇸 United States24K
  3. 3🇯🇵 Japan17K
  4. 4🇵🇭 Philippines8,448
  5. 5🇦🇪 United Arab Emirates8,192
  6. 6🇲🇻 Maldives4,096
  7. 7🇸🇬 Singapore4,096
  8. 8🇨🇱 Chile2,048
  9. 9🇳🇬 Nigeria2,048

Top Source Countries

  1. 1🇺🇸 United States35K
  2. 2🇨🇦 Canada21K
  3. 3🇦🇺 Australia14K
  4. 4🇮🇳 India8,192
  5. 5🇧🇿 Belize8,192
  6. 6🇯🇵 Japan8,192
  7. 7🇨🇳 China2,048
  8. 8🇭🇰 Hong Kong SAR China2,048
  9. 9🇹🇿 Tanzania2,048

IPv4 transferred across country borders in August 2023. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.

Largest IPv4 Transfers August 2023