IPv4 Transfers May 2022

In May 2022, the five Regional Internet Registries recorded 1,117 transfers: 7,685,888 IPv4 addresses in 856 blocks, plus 110 IPv6 blocks and 151 AS numbers. 36 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
7.7M
856 IPv4 blocks
Registry transfers
1,117
110 IPv6 / 151 ASN
Inter-RIR transfers
36
571K IPv4 addresses (7%)
Mergers and acquisitions
537
580 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 2022
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN3565,766,400431,616116,992
RIPE NCC6631,321,98453,50488,064
APNIC85581,37684,992365,568
LACNIC1316,128512-

Inter-RIR Transfers May 2022

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-
70K
3 transfers
18K
5 transfers
00
ARIN
50K
12 transfers
-
67K
2 transfers
512
2 transfers
0
APNIC
3,584
6 transfers
362K
6 transfers
-00
LACNIC000-0
AFRINIC0000-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, May 2022
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/112,097,15210.1%2,097,152
/121,048,57610.1%1,048,576
/13524,28810.1%524,288
/14262,14410.1%262,144
/15131,07260.7%786,432
/1665,536192.2%1,245,184
/1732,768111.3%360,448
/1816,384131.5%212,992
/198,192475.5%385,024
/204,096576.7%233,472
/212,048708.2%143,360
/221,02426130.5%267,264
/235129911.6%50,688
/2425626931.4%68,864

Top Receiving Countries

  1. 1🇺🇸 United States373K
  2. 2🇨🇳 China197K
  3. 3🇵🇭 Philippines131K
  4. 4🇯🇵 Japan18K
  5. 5🇨🇦 Canada10K
  6. 6🇲🇾 Malaysia5,120
  7. 7🇦🇺 Australia2,048
  8. 8🇹🇭 Thailand2,048
  9. 9🇲🇽 Mexico1,024

Top Source Countries

  1. 1🇮🇩 Indonesia328K
  2. 2🇮🇳 India134K
  3. 3🇺🇸 United States77K
  4. 4🇦🇺 Australia37K
  5. 5🇨🇦 Canada9,984
  6. 6🇭🇰 Hong Kong SAR China3,584
  7. 7🇧🇩 Bangladesh2,560
  8. 8🇳🇿 New Zealand1,024
  9. 9🇪🇨 Ecuador1,024

IPv4 transferred across country borders in May 2022. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.

Largest IPv4 Transfers May 2022