IPv4 Transfers October 2015

In October 2015, the five Regional Internet Registries recorded 347 transfers: 3,156,736 IPv4 addresses in 295 blocks, plus 14 IPv6 blocks and 38 AS numbers. 3 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
3.2M
295 IPv4 blocks
Registry transfers
347
14 IPv6 / 38 ASN
Inter-RIR transfers
3
6,144 IPv4 addresses (0%)
Mergers and acquisitions
40
307 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, October 2015
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN752,679,296-6,144
RIPE NCC228345,088--
APNIC44132,3526,144-

Inter-RIR Transfers October 2015

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-0000
ARIN0-
6,144
3 transfers
00
APNIC00-00
LACNIC000-0
AFRINIC0000-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, October 2015
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/112,097,15210.3%2,097,152
/1665,53682.7%524,288
/1732,76810.3%32,768
/1816,38472.4%114,688
/198,192144.7%114,688
/204,096217.1%86,016
/212,0483712.5%75,776
/221,0246120.7%62,464
/235124615.6%23,552
/242569933.6%25,344

Top Receiving Countries

  1. 1🇯🇵 Japan29K
  2. 2🇨🇦 Canada13K
  3. 3🇺🇸 United States4,096
  4. 4🇦🇺 Australia2,048
  5. 5🇲🇾 Malaysia2,048

Top Source Countries

  1. 1🇵🇭 Philippines29K
  2. 2🇺🇸 United States19K
  3. 3🇨🇦 Canada4,096
  4. 4🇳🇿 New Zealand2,048
  5. 5🇦🇺 Australia1,024

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

Largest IPv4 Transfers October 2015