IPv4 Transfers June 2015

In June 2015, the five Regional Internet Registries recorded 489 transfers: 1,366,016 IPv4 addresses in 470 blocks, plus 3 IPv6 blocks and 16 AS numbers. 0 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
1.4M
470 IPv4 blocks
Registry transfers
489
3 IPv6 / 16 ASN
Inter-RIR transfers
0
0 IPv4 addresses (0%)
Mergers and acquisitions
38
451 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 2015
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN73496,128--
APNIC57477,696--
RIPE NCC359392,192--

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, June 2015
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/1665,53661.3%393,216
/1732,76881.7%262,144
/1816,384102.1%163,840
/198,192163.4%131,072
/204,096326.8%131,072
/212,0485311.3%108,544
/221,0249319.8%95,232
/235126413.6%32,768
/2425618840.0%48,128

Top Receiving Countries

  1. 1🇯🇵 Japan131K
  2. 2🇨🇦 Canada66K
  3. 3🇺🇸 United States1,536

Top Source Countries

  1. 1🇭🇰 Hong Kong SAR China131K
  2. 2🇺🇸 United States66K
  3. 3🇨🇦 Canada1,536

IPv4 transferred across country borders in June 2015. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.

Largest IPv4 Transfers June 2015