IPv4 Transfers December 2019

In December 2019, the five Regional Internet Registries recorded 1,449 transfers: 16,071,168 IPv4 addresses in 1,053 blocks, plus 233 IPv6 blocks and 163 AS numbers. 18 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
16.1M
1,053 IPv4 blocks
Registry transfers
1,449
233 IPv6 / 163 ASN
Inter-RIR transfers
18
42K IPv4 addresses (0%)
Mergers and acquisitions
596
853 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, December 2019
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
RIPE NCC1,1028,706,81622,01616,384
ARIN2696,838,2722,56020,480
APNIC74514,81617,4085,120
LACNIC411,264--

Inter-RIR Transfers December 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-0
16K
1 transfers
00
ARIN
19K
4 transfers
-
1,024
4 transfers
00
APNIC
2,560
6 transfers
2,560
3 transfers
-00
LACNIC000-0
AFRINIC0000-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, December 2019
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/121,048,57630.3%3,145,728
/13524,28850.5%2,621,440
/14262,144131.2%3,407,872
/15131,072161.5%2,097,152
/1665,536454.3%2,949,120
/1732,76890.9%294,912
/1816,384121.1%196,608
/198,192444.2%360,448
/204,096636.0%258,048
/212,048646.1%131,072
/221,02450347.8%515,072
/23512908.5%46,080
/2425618617.7%47,616

Top Receiving Countries

  1. 1🇺🇸 United States406K
  2. 2🇭🇰 Hong Kong SAR China38K
  3. 3🇸🇬 Singapore26K
  4. 4🇨🇦 Canada12K
  5. 5🇲🇽 Mexico8,192
  6. 6🇦🇺 Australia1,024
  7. 7🇳🇵 Nepal1,024
  8. 8🇵🇷 Puerto Rico1,024
  9. 9🇬🇵 Guadeloupe1,024

Top Source Countries

  1. 1🇨🇦 Canada403K
  2. 2🇨🇳 China35K
  3. 3🇺🇸 United States15K
  4. 4🇦🇺 Australia12K
  5. 5🇩🇴 Dominican Republic8,192
  6. 6🇸🇬 Singapore3,584
  7. 7🇮🇳 India3,072
  8. 8🇳🇿 New Zealand1,280

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

Largest IPv4 Transfers December 2019