IPv4 Transfers February 2023

In February 2023, the five Regional Internet Registries recorded 1,210 transfers: 3,510,784 IPv4 addresses in 849 blocks, plus 224 IPv6 blocks and 137 AS numbers. 40 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
3.5M
849 IPv4 blocks
Registry transfers
1,210
224 IPv6 / 137 ASN
Inter-RIR transfers
40
229K IPv4 addresses (7%)
Mergers and acquisitions
556
654 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, February 2023
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN5091,892,0963,328154,624
RIPE NCC6271,118,976165,12051,712
APNIC59469,50458,3685,632
LACNIC1530,2082,04816,896

Inter-RIR Transfers February 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-
2,560
6 transfers
49K
3 transfers
00
ARIN
153K
15 transfers
-
1,024
1 transfers
512
1 transfers
0
APNIC
3,328
4 transfers
768
3 transfers
-
1,536
4 transfers
0
LACNIC
8,704
2 transfers
0
8,192
1 transfers
-0
AFRINIC0000-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, February 2023
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/14262,14410.1%262,144
/15131,07210.1%131,072
/1665,536273.2%1,769,472
/1732,768121.4%393,216
/1816,38470.8%114,688
/198,192242.8%196,608
/204,096323.8%131,072
/212,048596.9%120,832
/221,02420724.4%211,968
/2351222326.3%114,176
/2425625630.2%65,536

Top Receiving Countries

  1. 1🇺🇸 United States71K
  2. 2🇸🇬 Singapore58K
  3. 3🇪🇸 Spain8,704
  4. 4🇳🇿 New Zealand6,400
  5. 5🇭🇰 Hong Kong SAR China5,120
  6. 6🇲🇲 Myanmar (Burma)1,024
  7. 7🇮🇳 India1,024
  8. 8🇲🇾 Malaysia512
  9. 9🇲🇽 Mexico512

Top Source Countries

  1. 1🇨🇦 Canada70K
  2. 2🇧🇷 Brazil17K
  3. 3🇦🇺 Australia6,656
  4. 4🇨🇳 China4,096
  5. 5🇮🇳 India3,840
  6. 6🇧🇩 Bangladesh3,584
  7. 7🇺🇸 United States1,536
  8. 8🇲🇳 Mongolia1,024
  9. 9🇳🇵 Nepal1,024

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

Largest IPv4 Transfers February 2023