IPv4 Transfers March 2015

In March 2015, the five Regional Internet Registries recorded 401 transfers: 3,973,888 IPv4 addresses in 400 blocks, plus 0 IPv6 blocks and 1 AS numbers. 5 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
4.0M
400 IPv4 blocks
Registry transfers
401
0 IPv6 / 1 ASN
Inter-RIR transfers
5
136K IPv4 addresses (3%)
Mergers and acquisitions
0
401 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 2015
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN163,032,832-136,192
RIPE NCC310602,880--
APNIC75338,176136,192-

Inter-RIR Transfers March 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-
136K
5 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, March 2015
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/112,097,15210.3%2,097,152
/13524,28810.3%524,288
/14262,14410.3%262,144
/1665,53682.0%524,288
/1732,76830.8%98,304
/1816,38461.5%98,304
/198,19261.5%49,152
/204,096164.0%65,536
/212,048379.3%75,776
/221,0247919.8%80,896
/2351214135.3%72,192
/2425610125.3%25,856

Top Receiving Countries

  1. 1🇹🇭 Thailand131K
  2. 2🇲🇾 Malaysia4,096
  3. 3🇮🇳 India1,024

Top Source Countries

  1. 1🇺🇸 United States132K
  2. 2🇯🇵 Japan66K

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

Largest IPv4 Transfers March 2015