IPv4 Transfers June 2019

In June 2019, the five Regional Internet Registries recorded 828 transfers: 5,027,328 IPv4 addresses in 637 blocks, plus 75 IPv6 blocks and 116 AS numbers. 38 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
5.0M
637 IPv4 blocks
Registry transfers
828
75 IPv6 / 116 ASN
Inter-RIR transfers
38
445K IPv4 addresses (9%)
Mergers and acquisitions
396
432 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, June 2019
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
RIPE NCC4532,560,000144,64037,376
ARIN3332,142,72010,240406,784
APNIC30307,968289,792512
LACNIC1116,384--
AFRINIC1256--

Inter-RIR Transfers June 2019

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-
9,728
7 transfers
28K
5 transfers
00
ARIN
145K
20 transfers
-
262K
5 transfers
00
APNIC0
512
1 transfers
-00
LACNIC000-0
AFRINIC0000-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, June 2019
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/13524,28820.3%1,048,576
/15131,07210.2%131,072
/1665,536264.1%1,703,936
/1732,768101.6%327,680
/1816,384264.1%425,984
/198,1929715.2%794,624
/204,096599.3%241,664
/212,048599.3%120,832
/221,02417327.2%177,152
/23512507.8%25,600
/2425611618.2%29,696
/2512820.3%256
/266420.3%128
/273220.3%64
/281620.3%32
/29820.3%16
/30420.3%8
/31220.3%4
/32140.6%4

Top Receiving Countries

  1. 1🇯🇵 Japan90K
  2. 2🇨🇳 China66K
  3. 3🇹🇭 Thailand33K
  4. 4🇸🇬 Singapore33K
  5. 5🇧🇴 Bolivia10K
  6. 6🇳🇿 New Zealand5,376
  7. 7🇰🇭 Cambodia5,120
  8. 8🇭🇰 Hong Kong SAR China3,072
  9. 9🇨🇦 Canada2,304

Top Source Countries

  1. 1🇺🇸 United States264K
  2. 2🇧🇷 Brazil8,192
  3. 3🇦🇺 Australia5,888
  4. 4🇦🇷 Argentina2,048
  5. 5🇨🇦 Canada1,280
  6. 6🇭🇳 Honduras1,024
  7. 7🇯🇵 Japan1,024

IPv4 transferred across country borders in June 2019. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.

Largest IPv4 Transfers June 2019