IPv4 Transfers June 2017

In June 2017, the five Regional Internet Registries recorded 1,113 transfers: 35,788,800 IPv4 addresses in 1,015 blocks, plus 31 IPv6 blocks and 67 AS numbers. 25 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
35.8M
1,015 IPv4 blocks
Registry transfers
1,113
31 IPv6 / 67 ASN
Inter-RIR transfers
25
652K IPv4 addresses (2%)
Mergers and acquisitions
558
555 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 2017
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN61933,907,4562,816550,656
RIPE NCC2451,152,512328,448100,096
APNIC249728,832320,5121,024

Inter-RIR Transfers June 2017

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-
1,792
3 transfers
98K
2 transfers
00
ARIN
328K
10 transfers
-
222K
8 transfers
00
APNIC0
1,024
2 transfers
-00
LACNIC000-0
AFRINIC0000-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, June 2017
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/816,777,21610.1%16,777,216
/98,388,60810.1%8,388,608
/121,048,57610.1%1,048,576
/13524,28830.3%1,572,864
/14262,14420.2%524,288
/15131,072121.2%1,572,864
/1665,536646.3%4,194,304
/1732,768101.0%327,680
/1816,384121.2%196,608
/198,192383.7%311,296
/204,096585.7%237,568
/212,048757.4%153,600
/221,02433533.0%343,040
/2351214514.3%74,240
/2425625825.4%66,048

Top Receiving Countries

  1. 1🇨🇳 China164K
  2. 2🇨🇦 Canada34K
  3. 3🇯🇵 Japan20K
  4. 4🇭🇰 Hong Kong SAR China6,144
  5. 5🇳🇿 New Zealand4,096
  6. 6🇰🇭 Cambodia2,048
  7. 7🇺🇲 U.S. Outlying Islands2,048
  8. 8🇺🇸 United States1,024
  9. 9🇸🇬 Singapore1,024

Top Source Countries

  1. 1🇺🇸 United States258K
  2. 2🇦🇺 Australia5,120
  3. 3🇨🇳 China2,048
  4. 4🇸🇬 Singapore1,024
  5. 5🇵🇭 Philippines1,024

IPv4 transferred across country borders in June 2017. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.

Largest IPv4 Transfers June 2017