IPv4 Transfers 2023

In 2023, the five Regional Internet Registries recorded 14,183 transfers that moved 68,773,536 IPv4 addresses in 10,548 blocks, 546 of them between two registries. Figures come from the RIRs' official transfer logs and include mergers and acquisitions.

IPv4 addresses transferred
68.8M
10,548 IPv4 blocks
Registry transfers
14,183
1,924 IPv6 / 1,711 ASN
Inter-RIR transfers
546
11.1M IPv4 addresses (16%)
Mergers and acquisitions
4,523
9,660 market transfers

Monthly Transfer Volume 2023 by receiving RIR

IPv4 transfers per month in 2023
MonthTransfersIPv4 addresses
December 20231,4865,922,944
November 20231,3885,667,200
October 20231,3917,014,656
September 20239427,412,640
August 20239063,736,832
July 20239057,618,816
June 20239448,188,160
May 20239383,875,072
April 20231,6395,213,440
March 20231,4526,038,272
February 20231,2103,510,784
January 20239824,574,720

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, 2023
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN4,21642,799,8722,207,2327,806,464
RIPE NCC8,87022,515,8728,451,5842,299,136
APNIC9153,132,928389,376872,704
LACNIC156207,36018,68888,576
AFRINIC26117,504--

Inter-RIR Transfers 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-
2.0M
61 transfers
289K
31 transfers
3,072
3 transfers
0
ARIN
7.7M
225 transfers
-
62K
16 transfers
8,192
11 transfers
0
APNIC
680K
115 transfers
186K
44 transfers
-
7,424
10 transfers
0
LACNIC
35K
16 transfers
14K
9 transfers
39K
5 transfers
-0
AFRINIC0000-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, 2023
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/121,048,57640.0%4,194,304
/13524,28830.0%1,572,864
/14262,144160.2%4,194,304
/15131,072280.3%3,670,016
/1665,5365204.9%34,078,720
/1732,7681471.4%4,816,896
/1816,3842472.3%4,046,848
/198,1924654.4%3,809,280
/204,0965435.1%2,224,128
/212,0487196.8%1,472,512
/221,0243,01828.6%3,090,432
/235121,42713.5%730,624
/242563,40732.3%872,192
/2512830.0%384
/273210.0%32

Top Receiving Countries

  1. 1🇺🇸 United States1.2M
  2. 2🇸🇬 Singapore754K
  3. 3🇨🇦 Canada285K
  4. 4🇲🇺 Mauritius75K
  5. 5🇭🇰 Hong Kong SAR China67K
  6. 6🇹🇭 Thailand38K
  7. 7🇵🇰 Pakistan35K
  8. 8🇯🇵 Japan23K
  9. 9🇵🇭 Philippines23K

Top Source Countries

  1. 1🇨🇦 Canada792K
  2. 2🇯🇵 Japan513K
  3. 3🇺🇸 United States336K
  4. 4🇵🇷 Puerto Rico269K
  5. 5🇮🇳 India266K
  6. 6🇦🇺 Australia240K
  7. 7🇳🇿 New Zealand200K
  8. 8🇨🇳 China151K
  9. 9🇳🇦 Namibia75K

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

Largest IPv4 Transfers 2023