IPv4 Transfers May 2020

In May 2020, the five Regional Internet Registries recorded 707 transfers: 3,262,976 IPv4 addresses in 513 blocks, plus 84 IPv6 blocks and 110 AS numbers. 25 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
3.3M
513 IPv4 blocks
Registry transfers
707
84 IPv6 / 110 ASN
Inter-RIR transfers
25
330K IPv4 addresses (10%)
Mergers and acquisitions
310
397 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 2020
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN2342,189,56817,408296,192
RIPE NCC435893,696165,12034,048
APNIC30161,280147,712-
AFRINIC614,336--
LACNIC24,096--

Inter-RIR Transfers May 2020

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-
17K
3 transfers
17K
2 transfers
00
ARIN
165K
18 transfers
-
131K
2 transfers
00
APNIC00-00
LACNIC000-0
AFRINIC0000-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, May 2020
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/15131,07220.4%262,144
/1665,536234.5%1,507,328
/1732,768163.1%524,288
/1816,384142.7%229,376
/198,192356.8%286,720
/204,096265.1%106,496
/212,0485210.1%106,496
/221,02418135.3%185,344
/23512509.7%25,600
/2425611422.2%29,184

Top Receiving Countries

  1. 1🇺🇸 United States281K
  2. 2🇨🇳 China131K
  3. 3🇨🇦 Canada69K
  4. 4🇯🇵 Japan16K
  5. 5🇭🇰 Hong Kong SAR China4,096
  6. 6🇲🇾 Malaysia1,024
  7. 7🇮🇳 India512
  8. 8🇦🇺 Australia256
  9. 9🇵🇭 Philippines256

Top Source Countries

  1. 1🇺🇸 United States200K
  2. 2🇨🇦 Canada183K
  3. 3🇰🇾 Cayman Islands98K
  4. 4🇨🇳 China4,096
  5. 5🇦🇺 Australia1,536
  6. 6🇭🇰 Hong Kong SAR China256
  7. 7🇳🇿 New Zealand256

IPv4 transferred across country borders in May 2020. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.

Largest IPv4 Transfers May 2020