IPv4 Transfers 2020

In 2020, the five Regional Internet Registries recorded 11,388 transfers that moved 89,442,432 IPv4 addresses in 8,754 blocks, 318 of them between two registries. Figures come from the RIRs' official transfer logs and include mergers and acquisitions.

IPv4 addresses transferred
89.4M
8,754 IPv4 blocks
Registry transfers
11,388
1,186 IPv6 / 1,448 ASN
Inter-RIR transfers
318
2.3M IPv4 addresses (3%)
Mergers and acquisitions
3,472
7,916 market transfers

Monthly Transfer Volume 2020 by receiving RIR

IPv4 transfers per month in 2020
MonthTransfersIPv4 addresses
December 20201,64826,115,840
November 20201,6696,355,200
October 20201,12811,027,328
September 20209812,499,328
August 202086812,493,312
July 20208848,174,848
June 20206663,718,400
May 20207073,262,976
April 20207623,849,728
March 20208175,495,552
February 20206191,896,192
January 20206394,553,728

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, 2020
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN3,01452,189,696236,8001,755,904
RIPE NCC7,39519,096,7041,025,280350,720
APNIC88816,786,6881,085,440208,384
AFRINIC471,214,208--
LACNIC44155,1361,28033,792

Inter-RIR Transfers 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-
171K
74 transfers
179K
26 transfers
1,024
1 transfers
0
ARIN
849K
99 transfers
-
906K
39 transfers
256
1 transfers
0
APNIC
156K
43 transfers
52K
21 transfers
-00
LACNIC
20K
8 transfers
14K
6 transfers
0-0
AFRINIC0000-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, 2020
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/98,388,60810.0%8,388,608
/104,194,30420.0%8,388,608
/112,097,15240.0%8,388,608
/121,048,57670.1%7,340,032
/13524,288130.1%6,815,744
/14262,144170.2%4,456,448
/15131,072360.4%4,718,592
/1665,5363263.7%21,364,736
/1732,7681271.5%4,161,536
/1816,3842042.3%3,342,336
/198,1924835.5%3,956,736
/204,0965646.4%2,310,144
/212,0487338.4%1,501,184
/221,0243,21636.7%3,293,184
/2351294810.8%485,376
/242562,07223.7%530,432
/2512810.0%128

Top Receiving Countries

  1. 1🇸🇬 Singapore9.2M
  2. 2🇨🇳 China4.7M
  3. 3🇲🇺 Mauritius1.0M
  4. 4🇺🇸 United States785K
  5. 5🇯🇵 Japan216K
  6. 6🇨🇦 Canada181K
  7. 7🇦🇺 Australia137K
  8. 8🇭🇰 Hong Kong SAR China115K
  9. 9🇵🇭 Philippines115K

Top Source Countries

  1. 1🇦🇺 Australia12.8M
  2. 2🇿🇦 South Africa1.0M
  3. 3🇺🇸 United States953K
  4. 4🇨🇦 Canada760K
  5. 5🇨🇳 China585K
  6. 6🇭🇰 Hong Kong SAR China138K
  7. 7🇳🇿 New Zealand118K
  8. 8🇰🇾 Cayman Islands98K
  9. 9🇦🇷 Argentina70K

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

Largest IPv4 Transfers 2020