IPv4 Transfers March 2012
In March 2012, the five Regional Internet Registries recorded 15 transfers: 1,174,784 IPv4 addresses in 15 blocks, plus 0 IPv6 blocks and 0 AS numbers. 0 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.
IPv4 addresses transferred
1.2M
15 IPv4 blocks
Registry transfers
15
0 IPv6 / 0 ASN
Inter-RIR transfers
0
0 IPv4 addresses (0%)
Mergers and acquisitions
0
15 market transfers
Transfer Volume by RIR
Transfers counted at the receiving registry. Inter-RIR columns show IPv4 that entered or left the region.
IPv4 Transfers by Block Size
Number of transferred IPv4 blocks per prefix length.
| Prefix length | Addresses per block | Blocks | Share of blocks | IPv4 addresses |
|---|---|---|---|---|
| /12 | 1,048,576 | 1 | 6.7% | 1,048,576 |
| /16 | 65,536 | 1 | 6.7% | 65,536 |
| /17 | 32,768 | 1 | 6.7% | 32,768 |
| /18 | 16,384 | 1 | 6.7% | 16,384 |
| /20 | 4,096 | 1 | 6.7% | 4,096 |
| /21 | 2,048 | 1 | 6.7% | 2,048 |
| /22 | 1,024 | 4 | 26.7% | 4,096 |
| /24 | 256 | 5 | 33.3% | 1,280 |
Top Receiving Countries
Top Source Countries
IPv4 transferred across country borders in March 2012. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.
Largest IPv4 Transfers March 2012
- 54.224.0.0/12Transfer Β·
- 65.22.0.0/16Transfer Β·
- 157.17.128.0/17Transfer Β·βJapan Network Information CenterJapan Network Information Center/SAKURA-ISHIKARI
- 165.100.128.0/18Transfer Β·βJapan Network Information CenterJapan Network Information Center/Vectant
- 158.201.240.0/20Transfer Β·βJapan Network Information CenterJapan Network Information Center/GAONET
- 208.67.120.0/21Transfer Β·
- 183.78.188.0/22Transfer Β·βJapan Network Information Center/neteyeJapan Network Information Center/CCV
- 103.246.92.0/22Transfer Β·
- 103.23.96.0/22Transfer Β·
- 103.22.160.0/22Transfer Β·
- 103.10.199.0/24Transfer Β·
- 116.193.156.0/24Transfer Β·
- 203.208.22.0/24Transfer Β·
- 103.10.199.0/24Transfer Β·
- 103.10.198.0/24Transfer Β·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 54.224.0.0/12 | Merck and Co., Inc. | Amazon Technologies Inc. | Transfer | |
| 65.22.0.0/16 | Tucows.com Co. | Afilias Canada, Corp. | Transfer | |
| 157.17.128.0/17 | Japan Network Information Center | Japan Network Information Center/SAKURA-ISHIKARI | Transfer | |
| 165.100.128.0/18 | Japan Network Information Center | Japan Network Information Center/Vectant | Transfer | |
| 158.201.240.0/20 | Japan Network Information Center | Japan Network Information Center/GAONET | Transfer | |
| 208.67.120.0/21 | National Digital Medical Archive (NDMA) | DBS INTERNATIONAL | Transfer | |
| 183.78.188.0/22 | Japan Network Information Center/neteye | Japan Network Information Center/CCV | Transfer | |
| 103.246.92.0/22 | OSINet International Pte Ltd | PACIFIC INTERNET (S) PTE. LTD. | Transfer | |
| 103.23.96.0/22 | Mutinational Power Limited | Total Synergy Info. Tech. Inc. | Transfer | |
| 103.22.160.0/22 | MiHK | Pacswitch Globe Telecom Limited | Transfer | |
| 103.10.199.0/24 | Hostemo Technology Sdn Bhd | Pacswitch Globe Telecom Limited | Transfer | |
| 116.193.156.0/24 | MiHK | Agarto Sdn Bhd | Transfer | |
| 203.208.22.0/24 | Mutinational Power Limited | Total Synergy Info. Tech. Inc. | Transfer | |
| 103.10.199.0/24 | Agarto Sdn Bhd | Hostemo Technology Sdn Bhd | Transfer | |
| 103.10.198.0/24 | Agarto Sdn Bhd | Hostemo Technology Sdn Bhd | Transfer |