IPv4 Transfers January 2020

In January 2020, the five Regional Internet Registries recorded 639 transfers: 4,553,728 IPv4 addresses in 524 blocks, plus 39 IPv6 blocks and 76 AS numbers. 20 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
4.6M
524 IPv4 blocks
Registry transfers
639
39 IPv6 / 76 ASN
Inter-RIR transfers
20
122K IPv4 addresses (3%)
Mergers and acquisitions
244
395 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, January 2020
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN3033,147,26418,94474,752
RIPE NCC297915,4565,12043,520
APNIC32469,50498,3044,096
LACNIC519,456--
AFRINIC22,048--

Inter-RIR Transfers January 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-
19K
5 transfers
25K
2 transfers
00
ARIN
1,024
2 transfers
-
74K
8 transfers
00
APNIC
4,096
3 transfers
0-00
LACNIC000-0
AFRINIC0000-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, January 2020
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/121,048,57610.2%1,048,576
/15131,07220.4%262,144
/1665,536295.5%1,900,544
/1732,768101.9%327,680
/1816,384152.9%245,760
/198,192346.5%278,528
/204,096438.2%176,128
/212,0485610.7%114,688
/221,02412724.2%130,048
/235126512.4%33,280
/2425614227.1%36,352

Top Receiving Countries

  1. 1🇯🇵 Japan53K
  2. 2🇭🇰 Hong Kong SAR China27K
  3. 3🇩🇴 Dominican Republic8,192
  4. 4🇺🇸 United States3,328
  5. 5🇨🇦 Canada3,328
  6. 6🇵🇷 Puerto Rico1,280
  7. 7🇸🇻 El Salvador1,024
  8. 8🇦🇺 Australia1,024
  9. 9🇹🇭 Thailand512

Top Source Countries

  1. 1🇺🇸 United States58K
  2. 2🇦🇷 Argentina8,192
  3. 3🇨🇦 Canada3,584
  4. 4🇮🇳 India3,072
  5. 5🇦🇺 Australia2,048
  6. 6🇲🇾 Malaysia1,536
  7. 7🇨🇳 China1,024
  8. 8🇭🇳 Honduras1,024
  9. 9🇸🇬 Singapore512

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

Largest IPv4 Transfers January 2020