IPv4 Transfers March 2025

In March 2025, the five Regional Internet Registries recorded 952 transfers: 34,357,248 IPv4 addresses in 739 blocks, plus 66 IPv6 blocks and 147 AS numbers. 65 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
34.4M
739 IPv4 blocks
Registry transfers
952
66 IPv6 / 147 ASN
Inter-RIR transfers
65
458K IPv4 addresses (1%)
Mergers and acquisitions
251
701 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, March 2025
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN34732,841,728143,360261,632
RIPE NCC5011,302,016308,480142,592
APNIC75190,2085,12037,376
LACNIC2923,2961,02416,384

Inter-RIR Transfers March 2025

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-
141K
5 transfers
1,024
1 transfers
1,024
1 transfers
0
ARIN
258K
28 transfers
-
4,096
2 transfers
00
APNIC
35K
23 transfers
2,816
4 transfers
-00
LACNIC
16K
1 transfers
00-0
AFRINIC0000-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, March 2025
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/816,777,21610.1%16,777,216
/104,194,30410.1%4,194,304
/112,097,15210.1%2,097,152
/121,048,57620.3%2,097,152
/13524,28820.3%1,048,576
/14262,14450.7%1,310,720
/15131,072131.8%1,703,936
/1665,536598.0%3,866,624
/1732,768111.5%360,448
/1816,38460.8%98,304
/198,192273.7%221,184
/204,096405.4%163,840
/212,048466.2%94,208
/221,02421028.4%215,040
/2351210914.7%55,808
/2425620627.9%52,736

Top Receiving Countries

  1. 1🇺🇸 United States40K
  2. 2🇨🇦 Canada23K
  3. 3🇳🇱 Netherlands16K
  4. 4🇮🇳 India3,840
  5. 5🇭🇰 Hong Kong SAR China2,560
  6. 6🇯🇵 Japan2,048
  7. 7🇪🇨 Ecuador1,280
  8. 8🇲🇾 Malaysia1,024
  9. 9🇸🇬 Singapore1,024

Top Source Countries

  1. 1🇨🇦 Canada39K
  2. 2🇺🇸 United States25K
  3. 3🇭🇰 Hong Kong SAR China24K
  4. 4🇨🇱 Chile17K
  5. 5🇮🇳 India6,144
  6. 6🇯🇵 Japan4,352
  7. 7🇧🇩 Bangladesh3,840
  8. 8🇨🇳 China2,560
  9. 9🇦🇺 Australia1,280
  10. 10🇳🇱 Netherlands1,024

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

Largest IPv4 Transfers March 2025