IPv4 Transfers February 2021
In February 2021, the five Regional Internet Registries recorded 1,791 transfers: 4,255,744 IPv4 addresses in 1,663 blocks, plus 42 IPv6 blocks and 86 AS numbers. 38 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.
IPv4 addresses transferred
4.3M
1,663 IPv4 blocks
Registry transfers
1,791
42 IPv6 / 86 ASN
Inter-RIR transfers
38
358K IPv4 addresses (8%)
Mergers and acquisitions
1,181
610 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 February 2021
IPv4 addresses moved from one registry to another. All inter-RIR transfers
| From ↓ / To → | RIPE NCC | ARIN | APNIC | LACNIC | AFRINIC |
|---|---|---|---|---|---|
| RIPE NCC | - | 768 2 transfers | 34K 3 transfers | 0 | 0 |
| ARIN | 192K 13 transfers | - | 109K 8 transfers | 0 | 0 |
| APNIC | 23K 12 transfers | 0 | - | 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 |
|---|---|---|---|---|
| /15 | 131,072 | 1 | 0.1% | 131,072 |
| /16 | 65,536 | 28 | 1.7% | 1,835,008 |
| /17 | 32,768 | 11 | 0.7% | 360,448 |
| /18 | 16,384 | 35 | 2.1% | 573,440 |
| /19 | 8,192 | 54 | 3.2% | 442,368 |
| /20 | 4,096 | 66 | 4.0% | 270,336 |
| /21 | 2,048 | 71 | 4.3% | 145,408 |
| /22 | 1,024 | 145 | 8.7% | 148,480 |
| /23 | 512 | 112 | 6.7% | 57,344 |
| /24 | 256 | 1,140 | 68.6% | 291,840 |
Top Receiving Countries
- 1🇭🇰 Hong Kong SAR China84K
- 2🇵🇭 Philippines16K
- 3🇨🇦 Canada4,608
- 4🇯🇵 Japan4,096
- 5🇺🇸 United States2,560
- 6🇵🇫 French Polynesia2,048
- 7🇸🇬 Singapore1,536
- 8🇮🇳 India1,536
- 9🇳🇿 New Zealand768
Top Source Countries
- 1🇺🇸 United States114K
- 2🇭🇰 Hong Kong SAR China12K
- 3🇦🇺 Australia7,424
- 4🇲🇾 Malaysia4,096
- 5🇧🇩 Bangladesh3,584
- 6🇨🇦 Canada2,560
- 7🇳🇿 New Zealand2,048
- 8🇮🇳 India1,024
- 9🇳🇵 Nepal1,024
IPv4 transferred across country borders in February 2021. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.
Largest IPv4 Transfers February 2021
- 23.80.0.0/15M&A ·
- 159.209.0.0/16M&A ·
- 148.162.0.0/16M&A ·
- 166.76.0.0/16M&A ·
- 151.149.0.0/16M&A ·
- 157.241.0.0/16M&A ·
- 170.186.0.0/16M&A ·
- 167.16.0.0/16M&A ·
- 104.203.0.0/16Transfer ·
- 165.154.0.0/16inter-RIRTransfer ·
- 108.62.0.0/16M&A ·
- 23.110.0.0/16M&A ·
- 23.107.0.0/16M&A ·
- 23.104.0.0/16M&A ·
- 23.82.0.0/16M&A ·
- 147.255.0.0/16M&A ·
- 152.155.0.0/16Transfer ·
- 80.190.0.0/16Transfer ·
- 62.146.0.0/16Transfer ·
- 172.246.0.0/16inter-RIRTransfer ·
- 166.20.0.0/16M&A ·
- 159.62.0.0/16M&A ·
- 148.104.0.0/16M&A ·
- 142.65.0.0/16M&A ·
- 141.199.0.0/16M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 23.80.0.0/15 | M&A | |||
| 159.209.0.0/16 | M&A | |||
| 148.162.0.0/16 | M&A | |||
| 166.76.0.0/16 | M&A | |||
| 151.149.0.0/16 | M&A | |||
| 157.241.0.0/16 | M&A | |||
| 170.186.0.0/16 | M&A | |||
| 167.16.0.0/16 | M&A | |||
| 104.203.0.0/16 | Transfer | |||
| 165.154.0.0/16inter-RIR | Transfer | |||
| 108.62.0.0/16 | M&A | |||
| 23.110.0.0/16 | M&A | |||
| 23.107.0.0/16 | M&A | |||
| 23.104.0.0/16 | M&A | |||
| 23.82.0.0/16 | M&A | |||
| 147.255.0.0/16 | M&A | |||
| 152.155.0.0/16 | Transfer | |||
| 80.190.0.0/16 | q.beyond AG | IP Exchange GmbH | Transfer | |
| 62.146.0.0/16 | q.beyond AG | IP Exchange GmbH | Transfer | |
| 172.246.0.0/16inter-RIR | Sendinblue SAS | Transfer | ||
| 166.20.0.0/16 | M&A | |||
| 159.62.0.0/16 | M&A | |||
| 148.104.0.0/16 | M&A | |||
| 142.65.0.0/16 | M&A | |||
| 141.199.0.0/16 | M&A |