IPv4 Transfers April 2022
In April 2022, the five Regional Internet Registries recorded 1,243 transfers: 13,218,816 IPv4 addresses in 1,019 blocks, plus 90 IPv6 blocks and 134 AS numbers. 33 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.
IPv4 addresses transferred
13.2M
1,019 IPv4 blocks
Registry transfers
1,243
90 IPv6 / 134 ASN
Inter-RIR transfers
33
276K IPv4 addresses (2%)
Mergers and acquisitions
677
566 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 April 2022
IPv4 addresses moved from one registry to another. All inter-RIR transfers
| From ↓ / To → | RIPE NCC | ARIN | APNIC | LACNIC | AFRINIC |
|---|---|---|---|---|---|
| RIPE NCC | - | 70K 12 transfers | 512 1 transfers | 0 | 0 |
| ARIN | 65K 8 transfers | - | 66K 3 transfers | 1,024 1 transfers | 0 |
| APNIC | 2,048 2 transfers | 4,352 4 transfers | - | 0 | 0 |
| LACNIC | 68K 2 transfers | 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 | 0.1% | 4,194,304 |
| /11 | 2,097,152 | 1 | 0.1% | 2,097,152 |
| /12 | 1,048,576 | 1 | 0.1% | 1,048,576 |
| /13 | 524,288 | 1 | 0.1% | 524,288 |
| /15 | 131,072 | 6 | 0.6% | 786,432 |
| /16 | 65,536 | 46 | 4.5% | 3,014,656 |
| /17 | 32,768 | 9 | 0.9% | 294,912 |
| /18 | 16,384 | 11 | 1.1% | 180,224 |
| /19 | 8,192 | 30 | 2.9% | 245,760 |
| /20 | 4,096 | 40 | 3.9% | 163,840 |
| /21 | 2,048 | 91 | 8.9% | 186,368 |
| /22 | 1,024 | 313 | 30.7% | 320,512 |
| /23 | 512 | 163 | 16.0% | 83,456 |
| /24 | 256 | 306 | 30.0% | 78,336 |
Top Receiving Countries
- 1🇸🇬 Singapore1.0M
- 2🇷🇺 Russia66K
- 3🇺🇸 United States32K
- 4🇨🇦 Canada6,144
- 5🇭🇰 Hong Kong SAR China2,560
- 6🇲🇾 Malaysia2,048
- 7🇲🇲 Myanmar (Burma)2,048
- 8🇮🇪 Ireland2,048
- 9🇲🇳 Mongolia1,024
Top Source Countries
- 1🇨🇳 China1.1M
- 2🇺🇸 United States72K
- 3🇻🇪 Venezuela66K
- 4🇨🇦 Canada29K
- 5🇮🇳 India4,608
- 6🇰🇭 Cambodia2,560
- 7🇭🇰 Hong Kong SAR China2,048
- 8🇧🇩 Bangladesh2,048
- 9🇦🇷 Argentina2,048
- 10🇭🇳 Honduras1,024
IPv4 transferred across country borders in April 2022. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.
Largest IPv4 Transfers April 2022
- 15.0.0.0/10M&A ·
- 15.64.0.0/11M&A ·
- 43.160.0.0/12Transfer ·
- 15.96.0.0/13M&A ·
- 146.204.0.0/15M&A ·
- 141.128.0.0/15M&A ·
- 141.122.0.0/15M&A ·
- 136.236.0.0/15M&A ·
- 153.46.0.0/15M&A ·
- 153.42.0.0/15M&A ·
- 40.161.0.0/16Transfer ·
- 137.72.0.0/16M&A ·
- 146.167.0.0/16M&A ·
- 156.27.0.0/16Transfer ·
- 158.23.0.0/16inter-RIRTransfer ·
- 153.46.0.0/16Transfer ·
- 158.160.0.0/16inter-RIRTransfer ·
- 162.34.0.0/16M&A ·
- 157.211.0.0/16Transfer ·
- 152.24.0.0/16Transfer ·
- 166.117.0.0/16Transfer ·
- 194.133.0.0/16Transfer ·
- 217.143.0.0/16inter-RIRTransfer ·
- 170.85.0.0/16Transfer ·
- 165.113.0.0/16Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 15.0.0.0/10 | M&A | |||
| 15.64.0.0/11 | M&A | |||
| 43.160.0.0/12 | Transfer | |||
| 15.96.0.0/13 | M&A | |||
| 146.204.0.0/15 | M&A | |||
| 141.128.0.0/15 | M&A | |||
| 141.122.0.0/15 | M&A | |||
| 136.236.0.0/15 | M&A | |||
| 153.46.0.0/15 | M&A | |||
| 153.42.0.0/15 | M&A | |||
| 40.161.0.0/16 | Transfer | |||
| 137.72.0.0/16 | M&A | |||
| 146.167.0.0/16 | M&A | |||
| 156.27.0.0/16 | Transfer | |||
| 158.23.0.0/16inter-RIR | Microsoft Singapore Pte. Ltd. [MICROSOFT-APNIC-AP] | Transfer | ||
| 153.46.0.0/16 | Transfer | |||
| 158.160.0.0/16inter-RIR | Transfer | |||
| 162.34.0.0/16 | M&A | |||
| 157.211.0.0/16 | Transfer | |||
| 152.24.0.0/16 | Transfer | |||
| 166.117.0.0/16 | Transfer | |||
| 194.133.0.0/16 | ORANGE BUSINESS SERVICES U.S. Inc. | A100 ROW Inc | Transfer | |
| 217.143.0.0/16inter-RIR | Primlight AB | Transfer | ||
| 170.85.0.0/16 | Transfer | |||
| 165.113.0.0/16 | Transfer |