IPv4 Transfers 2018

In 2018, the five Regional Internet Registries recorded 11,879 transfers that moved 290,366,976 IPv4 addresses in 9,244 blocks, 301 of them between two registries. Figures come from the RIRs' official transfer logs and include mergers and acquisitions.

IPv4 addresses transferred
290.4M
9,244 IPv4 blocks
Registry transfers
11,879
969 IPv6 / 1,666 ASN
Inter-RIR transfers
301
9.5M IPv4 addresses (3%)
Mergers and acquisitions
5,589
6,290 market transfers

Monthly Transfer Volume 2018 by receiving RIR

IPv4 transfers per month in 2018
MonthTransfersIPv4 addresses
December 20181,2408,530,944
November 20181,80955,089,664
October 20181,19319,874,304
September 20181,31946,964,736
August 20187738,947,456
July 20181,00562,991,744
June 201872412,104,960
May 20187025,606,912
April 201888110,901,120
March 20187136,725,632
February 201896148,449,792
January 20185594,179,712

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, 2018
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN5,379259,713,79233,5367,881,472
RIPE NCC5,91520,209,9202,203,392721,920
APNIC54010,182,9127,256,064889,600
AFRINIC19174,336--
LACNIC2686,016--

Inter-RIR Transfers 2018

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-
28K
20 transfers
694K
33 transfers
00
ARIN
1.3M
123 transfers
-
6.6M
104 transfers
00
APNIC
884K
14 transfers
5,888
7 transfers
-00
LACNIC000-0
AFRINIC0000-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, 2018
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/816,777,21620.0%33,554,432
/98,388,60810.0%8,388,608
/104,194,30460.1%25,165,824
/112,097,15280.1%16,777,216
/121,048,576410.4%42,991,616
/13524,288630.7%33,030,144
/14262,1441381.5%36,175,872
/15131,0721791.9%23,461,888
/1665,5365666.1%37,093,376
/1732,7683103.4%10,158,080
/1816,3845115.5%8,372,224
/198,1928148.8%6,668,288
/204,09692210.0%3,776,512
/212,0488399.1%1,718,272
/221,0242,04422.1%2,093,056
/235128799.5%450,048
/242561,91920.8%491,264
/2512820.0%256

Top Receiving Countries

  1. 1🇸🇬 Singapore5.8M
  2. 2🇨🇳 China1.3M
  3. 3🇺🇸 United States538K
  4. 4🇨🇦 Canada443K
  5. 5🇯🇵 Japan386K
  6. 6🇭🇰 Hong Kong SAR China221K
  7. 7🇦🇺 Australia203K
  8. 8🇵🇭 Philippines88K
  9. 9🇰🇭 Cambodia40K

Top Source Countries

  1. 1🇺🇸 United States6.9M
  2. 2🇮🇳 India962K
  3. 3🇨🇳 China446K
  4. 4🇨🇦 Canada398K
  5. 5🇵🇷 Puerto Rico134K
  6. 6🇳🇿 New Zealand68K
  7. 7🇧🇩 Bangladesh66K
  8. 8🇦🇺 Australia59K
  9. 9🇯🇵 Japan33K

IPv4 transferred across country borders in 2018. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.

Largest IPv4 Transfers 2018