IPv4 Transfers September 2022

In September 2022, the five Regional Internet Registries recorded 856 transfers: 24,460,032 IPv4 addresses in 646 blocks, plus 68 IPv6 blocks and 142 AS numbers. 38 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
24.5M
646 IPv4 blocks
Registry transfers
856
68 IPv6 / 142 ASN
Inter-RIR transfers
38
390K IPv4 addresses (2%)
Mergers and acquisitions
272
584 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, September 2022
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN29823,468,288171,264146,176
RIPE NCC470639,744211,456172,032
AFRINIC25291,072--
APNIC5548,3847,16872,192
LACNIC812,544512-

Inter-RIR Transfers September 2022

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
13 transfers
512
1 transfers
256
1 transfers
0
ARIN
139K
3 transfers
-
6,656
8 transfers
256
1 transfers
0
APNIC
72K
9 transfers
0
2 transfers
-00
LACNIC000-0
AFRINIC0000-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, September 2022
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/98,388,60810.2%8,388,608
/104,194,30410.2%4,194,304
/112,097,15210.2%2,097,152
/121,048,57630.5%3,145,728
/13524,28810.2%524,288
/14262,14410.2%262,144
/15131,07230.5%393,216
/1665,536649.9%4,194,304
/1732,76881.2%262,144
/1816,384192.9%311,296
/198,192213.3%172,032
/204,096365.6%147,456
/212,048457.0%92,160
/221,02418228.2%186,368
/235128713.5%44,544
/2425617326.8%44,288

Top Receiving Countries

  1. 1🇵🇷 Puerto Rico66K
  2. 2🇨🇦 Canada57K
  3. 3🇺🇸 United States20K
  4. 4🇸🇬 Singapore4,096
  5. 5🇭🇰 Hong Kong SAR China2,048
  6. 6🇹🇼 Taiwan2,048
  7. 7🇳🇿 New Zealand2,048
  8. 8🇿🇦 South Africa1,024
  9. 9🇦🇺 Australia1,024

Top Source Countries

  1. 1🇺🇸 United States125K
  2. 2🇦🇺 Australia68K
  3. 3🇨🇦 Canada19K
  4. 4🇨🇳 China5,120
  5. 5🇮🇳 India2,560
  6. 6🇬🇧 United Kingdom2,560
  7. 7🇭🇰 Hong Kong SAR China2,048
  8. 8🇭🇳 Honduras1,024
  9. 9🇲🇺 Mauritius1,024

IPv4 transferred across country borders in September 2022. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.

Largest IPv4 Transfers September 2022