IPv4 Transfers September 2017
In September 2017, the five Regional Internet Registries recorded 587 transfers: 4,815,104 IPv4 addresses in 468 blocks, plus 33 IPv6 blocks and 86 AS numbers. 20 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.
IPv4 addresses transferred
4.8M
468 IPv4 blocks
Registry transfers
587
33 IPv6 / 86 ASN
Inter-RIR transfers
20
223K IPv4 addresses (5%)
Mergers and acquisitions
174
413 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 September 2017
IPv4 addresses moved from one registry to another. All inter-RIR transfers
| From ↓ / To → | RIPE NCC | ARIN | APNIC | LACNIC | AFRINIC |
|---|---|---|---|---|---|
| RIPE NCC | - | 1,024 1 transfers | 2,560 7 transfers | 0 | 0 |
| ARIN | 98K 5 transfers | - | 121K 7 transfers | 0 | 0 |
| APNIC | 0 | 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 |
|---|---|---|---|---|
| /12 | 1,048,576 | 2 | 0.4% | 2,097,152 |
| /13 | 524,288 | 1 | 0.2% | 524,288 |
| /16 | 65,536 | 15 | 3.2% | 983,040 |
| /17 | 32,768 | 7 | 1.5% | 229,376 |
| /18 | 16,384 | 18 | 3.8% | 294,912 |
| /19 | 8,192 | 31 | 6.6% | 253,952 |
| /20 | 4,096 | 35 | 7.5% | 143,360 |
| /21 | 2,048 | 48 | 10.3% | 98,304 |
| /22 | 1,024 | 132 | 28.2% | 135,168 |
| /23 | 512 | 38 | 8.1% | 19,456 |
| /24 | 256 | 141 | 30.1% | 36,096 |
Top Receiving Countries
- 1🇨🇳 China66K
- 2🇦🇺 Australia54K
- 3🇨🇴 Colombia8,192
- 4🇨🇦 Canada5,632
- 5🇲🇾 Malaysia3,584
- 6🇭🇰 Hong Kong SAR China2,048
- 7🇵🇭 Philippines2,048
- 8🇰🇭 Cambodia2,048
- 9🇺🇸 United States2,048
Top Source Countries
- 1🇺🇸 United States126K
- 2🇵🇦 Panama8,192
- 3🇵🇰 Pakistan4,096
- 4🇻🇬 British Virgin Islands2,048
- 5🇳🇿 New Zealand1,024
IPv4 transferred across country borders in September 2017. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.
Largest IPv4 Transfers September 2017
- 35.224.0.0/12Transfer ·
- 35.208.0.0/12Transfer ·
- 35.240.0.0/13Transfer ·
- 221.136.0.0/16Transfer ·
- 60.55.0.0/16Transfer ·
- 150.109.0.0/16inter-RIRTransfer ·
- 156.34.0.0/16M&A ·
- 142.134.0.0/16M&A ·
- 142.68.0.0/16M&A ·
- 47.55.0.0/16M&A ·
- 47.54.0.0/16M&A ·
- 159.2.0.0/16M&A ·
- 134.41.0.0/16M&A ·
- 156.57.0.0/16M&A ·
- 50.119.0.0/16inter-RIRTransfer ·
- 134.175.0.0/16M&A ·
- 184.83.0.0/16Transfer ·
- 149.72.0.0/16Transfer ·
- 77.40.128.0/17Transfer ·
- 195.159.128.0/17Transfer ·
- 195.159.0.0/17Transfer ·
- 99.192.0.0/17M&A ·
- 89.220.128.0/17Transfer ·
- 142.148.128.0/17M&A ·
- 170.90.128.0/17Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 35.224.0.0/12 | Transfer | |||
| 35.208.0.0/12 | Transfer | |||
| 35.240.0.0/13 | Transfer | |||
| 221.136.0.0/16 | Transfer | |||
| 60.55.0.0/16 | Transfer | |||
| 150.109.0.0/16inter-RIR | Transfer | |||
| 156.34.0.0/16 | M&A | |||
| 142.134.0.0/16 | M&A | |||
| 142.68.0.0/16 | M&A | |||
| 47.55.0.0/16 | M&A | |||
| 47.54.0.0/16 | M&A | |||
| 159.2.0.0/16 | M&A | |||
| 134.41.0.0/16 | M&A | |||
| 156.57.0.0/16 | M&A | |||
| 50.119.0.0/16inter-RIR | Saudi Telecom Company JSC | Transfer | ||
| 134.175.0.0/16 | M&A | |||
| 184.83.0.0/16 | Transfer | |||
| 149.72.0.0/16 | Transfer | |||
| 77.40.128.0/17 | PowerTech Information Systems AS | Broadnet AS | Transfer | |
| 195.159.128.0/17 | PowerTech Information Systems AS | Broadnet AS | Transfer | |
| 195.159.0.0/17 | PowerTech Information Systems AS | Broadnet AS | Transfer | |
| 99.192.0.0/17 | M&A | |||
| 89.220.128.0/17 | Esprit Telecom B.V. | Ziggo B.V. | Transfer | |
| 142.148.128.0/17 | M&A | |||
| 170.90.128.0/17 | Transfer |