IPv4 Transfers March 2018
In March 2018, the five Regional Internet Registries recorded 713 transfers: 6,725,632 IPv4 addresses in 566 blocks, plus 51 IPv6 blocks and 96 AS numbers. 34 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.
IPv4 addresses transferred
6.7M
566 IPv4 blocks
Registry transfers
713
51 IPv6 / 96 ASN
Inter-RIR transfers
34
482K IPv4 addresses (7%)
Mergers and acquisitions
301
412 market transfers
Transfer Volume by RIR
Transfers counted at the receiving registry. Inter-RIR columns show IPv4 that entered or left the region.
Inter-RIR Transfers March 2018
IPv4 addresses moved from one registry to another. All inter-RIR transfers
| From ↓ / To → | RIPE NCC | ARIN | APNIC | LACNIC | AFRINIC |
|---|---|---|---|---|---|
| RIPE NCC | - | 2,304 7 transfers | 0 | 0 | 0 |
| ARIN | 332K 7 transfers | - | 146K 18 transfers | 0 | 0 |
| APNIC | 1,024 1 transfers | 1,024 1 transfers | - | 0 | 0 |
| LACNIC | 0 | 0 | 0 | - | 0 |
| AFRINIC | 0 | 0 | 0 | 0 | - |
IPv4 Transfers by Block Size
Number of transferred IPv4 blocks per prefix length.
| Prefix length | Addresses per block | Blocks | Share of blocks | IPv4 addresses |
|---|---|---|---|---|
| /10 | 4,194,304 | 1 | 0.2% | 4,194,304 |
| /16 | 65,536 | 16 | 2.8% | 1,048,576 |
| /17 | 32,768 | 9 | 1.6% | 294,912 |
| /18 | 16,384 | 9 | 1.6% | 147,456 |
| /19 | 8,192 | 44 | 7.8% | 360,448 |
| /20 | 4,096 | 83 | 14.7% | 339,968 |
| /21 | 2,048 | 65 | 11.5% | 133,120 |
| /22 | 1,024 | 130 | 23.0% | 133,120 |
| /23 | 512 | 79 | 14.0% | 40,448 |
| /24 | 256 | 130 | 23.0% | 33,280 |
Top Receiving Countries
- 1🇨🇦 Canada88K
- 2🇵🇭 Philippines66K
- 3🇨🇳 China66K
- 4🇯🇵 Japan8,192
- 5🇺🇸 United States7,168
- 6🇭🇰 Hong Kong SAR China6,144
- 7🇧🇳 Brunei1,024
- 8🇲🇾 Malaysia1,024
- 9🇧🇸 Bahamas1,024
Top Source Countries
- 1🇺🇸 United States230K
- 2🇨🇦 Canada11K
- 3🇮🇳 India2,048
- 4🇨🇳 China1,024
- 5🇭🇰 Hong Kong SAR China1,024
IPv4 transferred across country borders in March 2018. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.
Largest IPv4 Transfers March 2018
- 3.64.0.0/10Transfer ·
- 206.189.0.0/16M&A ·
- 129.226.0.0/16inter-RIRTransfer ·
- 165.78.0.0/16inter-RIRTransfer ·
- 159.57.0.0/16M&A ·
- 157.152.0.0/16M&A ·
- 144.40.0.0/16M&A ·
- 128.129.0.0/16M&A ·
- 140.179.0.0/16Transfer ·
- 148.57.0.0/16M&A ·
- 159.199.0.0/16M&A ·
- 129.212.0.0/16M&A ·
- 159.69.0.0/16inter-RIRTransfer ·
- 158.60.0.0/16inter-RIRTransfer ·
- 139.45.0.0/16inter-RIRTransfer ·
- 136.255.0.0/16inter-RIRTransfer ·
- 147.183.0.0/16M&A ·
- 164.70.128.0/17Transfer ·
- 62.171.0.0/17Transfer ·
- 161.49.0.0/17inter-RIRTransfer ·
- 82.203.0.0/17Transfer ·
- 128.116.0.0/17Transfer ·
- 65.175.128.0/17M&A ·
- 130.45.128.0/17Transfer ·
- 130.45.0.0/17Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 3.64.0.0/10 | Transfer | |||
| 206.189.0.0/16 | M&A | |||
| 129.226.0.0/16inter-RIR | Transfer | |||
| 165.78.0.0/16inter-RIR | Vodafone Romania S.A. | Transfer | ||
| 159.57.0.0/16 | M&A | |||
| 157.152.0.0/16 | M&A | |||
| 144.40.0.0/16 | M&A | |||
| 128.129.0.0/16 | M&A | |||
| 140.179.0.0/16 | Transfer | |||
| 148.57.0.0/16 | M&A | |||
| 159.199.0.0/16 | M&A | |||
| 129.212.0.0/16 | M&A | |||
| 159.69.0.0/16inter-RIR | Hetzner Online GmbH | Transfer | ||
| 158.60.0.0/16inter-RIR | Legaco Networks B.V. | Transfer | ||
| 139.45.0.0/16inter-RIR | Legaco Networks B.V. | Transfer | ||
| 136.255.0.0/16inter-RIR | Vodafone Romania S.A. | Transfer | ||
| 147.183.0.0/16 | M&A | |||
| 164.70.128.0/17 | Transfer | |||
| 62.171.0.0/17 | RM Education Ltd | WWZ Telekom AG | Transfer | |
| 161.49.0.0/17inter-RIR | Transfer | |||
| 82.203.0.0/17 | Synetrix Ltd | Capita Business Services Ltd | Transfer | |
| 128.116.0.0/17 | Transfer | |||
| 65.175.128.0/17 | M&A | |||
| 130.45.128.0/17 | Transfer | |||
| 130.45.0.0/17 | Transfer |