IPv4 Transfers January 2018
In January 2018, the five Regional Internet Registries recorded 559 transfers: 4,179,712 IPv4 addresses in 448 blocks, plus 38 IPv6 blocks and 73 AS numbers. 25 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.
IPv4 addresses transferred
4.2M
448 IPv4 blocks
Registry transfers
559
38 IPv6 / 73 ASN
Inter-RIR transfers
25
447K IPv4 addresses (11%)
Mergers and acquisitions
171
388 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 January 2018
IPv4 addresses moved from one registry to another. All inter-RIR transfers
| From ↓ / To → | RIPE NCC | ARIN | APNIC | LACNIC | AFRINIC |
|---|---|---|---|---|---|
| RIPE NCC | - | 15K 6 transfers | 4,096 1 transfers | 0 | 0 |
| ARIN | 80K 7 transfers | - | 346K 10 transfers | 0 | 0 |
| APNIC | 0 | 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 |
|---|---|---|---|---|
| /13 | 524,288 | 1 | 0.2% | 524,288 |
| /14 | 262,144 | 2 | 0.4% | 524,288 |
| /15 | 131,072 | 1 | 0.2% | 131,072 |
| /16 | 65,536 | 18 | 4.0% | 1,179,648 |
| /17 | 32,768 | 12 | 2.7% | 393,216 |
| /18 | 16,384 | 43 | 9.6% | 704,512 |
| /19 | 8,192 | 36 | 8.0% | 294,912 |
| /20 | 4,096 | 41 | 9.2% | 167,936 |
| /21 | 2,048 | 49 | 10.9% | 100,352 |
| /22 | 1,024 | 107 | 23.9% | 109,568 |
| /23 | 512 | 57 | 12.7% | 29,184 |
| /24 | 256 | 81 | 18.1% | 20,736 |
Top Receiving Countries
- 1🇨🇳 China262K
- 2🇯🇵 Japan66K
- 3🇭🇰 Hong Kong SAR China55K
- 4🇺🇸 United States14K
- 5🇨🇦 Canada11K
- 6🇬🇾 Guyana8,192
- 7🇰🇭 Cambodia5,120
- 8🇮🇩 Indonesia4,096
- 9🇲🇳 Mongolia4,096
- 10🇲🇽 Mexico2,048
Top Source Countries
- 1🇺🇸 United States288K
- 2🇨🇳 China36K
- 3🇨🇦 Canada16K
- 4🇵🇦 Panama10K
- 5🇮🇳 India5,120
- 6🇲🇾 Malaysia4,608
- 7🇻🇬 British Virgin Islands2,048
- 8🇦🇺 Australia1,024
IPv4 transferred across country borders in January 2018. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.
Largest IPv4 Transfers January 2018
- 100.24.0.0/13Transfer ·
- 100.20.0.0/14Transfer ·
- 63.32.0.0/14Transfer ·
- 99.80.0.0/15Transfer ·
- 159.69.0.0/16M&A ·
- 162.109.0.0/16M&A ·
- 166.19.0.0/16M&A ·
- 130.97.0.0/16M&A ·
- 144.40.0.0/16M&A ·
- 162.14.0.0/16inter-RIRTransfer ·
- 128.14.0.0/16M&A ·
- 128.1.0.0/16M&A ·
- 99.86.0.0/16Transfer ·
- 99.84.0.0/16Transfer ·
- 99.79.0.0/16Transfer ·
- 139.45.0.0/16M&A ·
- 142.190.0.0/16M&A ·
- 143.204.0.0/16Transfer ·
- 157.147.0.0/16inter-RIRTransfer ·
- 129.204.0.0/16inter-RIRTransfer ·
- 152.136.0.0/16inter-RIRTransfer ·
- 129.211.0.0/16inter-RIRTransfer ·
- 99.150.0.0/17Transfer ·
- 99.87.0.0/17Transfer ·
- 99.85.128.0/17Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 100.24.0.0/13 | Transfer | |||
| 100.20.0.0/14 | Transfer | |||
| 63.32.0.0/14 | Transfer | |||
| 99.80.0.0/15 | Transfer | |||
| 159.69.0.0/16 | M&A | |||
| 162.109.0.0/16 | M&A | |||
| 166.19.0.0/16 | M&A | |||
| 130.97.0.0/16 | M&A | |||
| 144.40.0.0/16 | M&A | |||
| 162.14.0.0/16inter-RIR | Transfer | |||
| 128.14.0.0/16 | M&A | |||
| 128.1.0.0/16 | M&A | |||
| 99.86.0.0/16 | Transfer | |||
| 99.84.0.0/16 | Transfer | |||
| 99.79.0.0/16 | Transfer | |||
| 139.45.0.0/16 | M&A | |||
| 142.190.0.0/16 | M&A | |||
| 143.204.0.0/16 | Transfer | |||
| 157.147.0.0/16inter-RIR | Transfer | |||
| 129.204.0.0/16inter-RIR | Transfer | |||
| 152.136.0.0/16inter-RIR | Transfer | |||
| 129.211.0.0/16inter-RIR | OLIVET | Transfer | ||
| 99.150.0.0/17 | Transfer | |||
| 99.87.0.0/17 | Transfer | |||
| 99.85.128.0/17 | Transfer |