IPv4 Transfers October 2019

In October 2019, the five Regional Internet Registries recorded 879 transfers: 7,452,544 IPv4 addresses in 688 blocks, plus 82 IPv6 blocks and 109 AS numbers. 40 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
7.5M
688 IPv4 blocks
Registry transfers
879
82 IPv6 / 109 ASN
Inter-RIR transfers
40
257K IPv4 addresses (3%)
Mergers and acquisitions
230
649 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, October 2019
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN2775,949,6963,328218,368
RIPE NCC5331,136,256188,92836,096
APNIC65363,26464,7682,560
LACNIC33,072--
AFRINIC1256--

Inter-RIR Transfers October 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-
3,328
4 transfers
33K
9 transfers
00
ARIN
186K
11 transfers
-
32K
8 transfers
00
APNIC
2,560
8 transfers
0-00
LACNIC000-0
AFRINIC0000-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, October 2019
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/121,048,57610.1%1,048,576
/13524,28810.1%524,288
/14262,14410.1%262,144
/1665,536639.2%4,128,768
/1732,76881.2%262,144
/1816,384202.9%327,680
/198,192375.4%303,104
/204,096385.5%155,648
/212,0487210.5%147,456
/221,02421030.5%215,040
/23512679.7%34,304
/2425616924.6%43,264
/2512810.1%128

Top Receiving Countries

  1. 1🇸🇬 Singapore197K
  2. 2🇯🇵 Japan37K
  3. 3🇭🇰 Hong Kong SAR China11K
  4. 4🇳🇿 New Zealand8,192
  5. 5🇺🇸 United States5,376
  6. 6🇲🇲 Myanmar (Burma)4,864
  7. 7🇲🇻 Maldives3,072
  8. 8🇨🇦 Canada2,816
  9. 9🇧🇳 Brunei2,048

Top Source Countries

  1. 1🇨🇳 China182K
  2. 2🇺🇸 United States32K
  3. 3🇵🇰 Pakistan29K
  4. 4🇦🇺 Australia14K
  5. 5🇵🇷 Puerto Rico4,096
  6. 6🇲🇾 Malaysia4,096
  7. 7🇨🇦 Canada1,280
  8. 8🇮🇳 India1,024
  9. 9🇧🇿 Belize1,024

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

Largest IPv4 Transfers October 2019