IPv4 Transfers April 2019
In April 2019, the five Regional Internet Registries recorded 1,076 transfers: 10,747,136 IPv4 addresses in 837 blocks, plus 101 IPv6 blocks and 138 AS numbers. 28 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.
IPv4 addresses transferred
10.7M
837 IPv4 blocks
Registry transfers
1,076
101 IPv6 / 138 ASN
Inter-RIR transfers
28
627K IPv4 addresses (6%)
Mergers and acquisitions
483
593 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 2019
IPv4 addresses moved from one registry to another. All inter-RIR transfers
| From ↓ / To → | RIPE NCC | ARIN | APNIC | LACNIC | AFRINIC |
|---|---|---|---|---|---|
| RIPE NCC | - | 2,560 3 transfers | 256 1 transfers | 0 | 0 |
| ARIN | 98K 14 transfers | - | 524K 8 transfers | 0 | 0 |
| APNIC | 2,048 2 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 |
|---|---|---|---|---|
| /12 | 1,048,576 | 3 | 0.4% | 3,145,728 |
| /13 | 524,288 | 1 | 0.1% | 524,288 |
| /14 | 262,144 | 3 | 0.4% | 786,432 |
| /15 | 131,072 | 8 | 1.0% | 1,048,576 |
| /16 | 65,536 | 39 | 4.7% | 2,555,904 |
| /17 | 32,768 | 24 | 2.9% | 786,432 |
| /18 | 16,384 | 37 | 4.4% | 606,208 |
| /19 | 8,192 | 58 | 6.9% | 475,136 |
| /20 | 4,096 | 68 | 8.1% | 278,528 |
| /21 | 2,048 | 99 | 11.8% | 202,752 |
| /22 | 1,024 | 238 | 28.4% | 243,712 |
| /23 | 512 | 106 | 12.7% | 54,272 |
| /24 | 256 | 153 | 18.3% | 39,168 |
Top Receiving Countries
- 1🇨🇦 Canada15K
- 2🇺🇬 Uganda4,096
- 3🇰🇾 Cayman Islands1,024
- 4🇨🇳 China1,024
- 5🇭🇰 Hong Kong SAR China1,024
- 6🇹🇭 Thailand1,024
- 7🇺🇸 United States256
Top Source Countries
- 1🇺🇸 United States544K
- 2🇮🇳 India2,048
- 3🇦🇺 Australia1,024
- 4🇭🇰 Hong Kong SAR China1,024
- 5🇳🇿 New Zealand256
- 6🇨🇦 Canada256
IPv4 transferred across country borders in April 2019. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.
Largest IPv4 Transfers April 2019
- 35.112.0.0/12Transfer ·
- 35.80.0.0/12Transfer ·
- 35.96.0.0/12Transfer ·
- 35.72.0.0/13Transfer ·
- 85.124.0.0/14M&A ·
- 70.96.0.0/14M&A ·
- 67.136.0.0/14M&A ·
- 91.118.0.0/15M&A ·
- 83.64.0.0/15M&A ·
- 85.66.0.0/15Transfer ·
- 208.186.0.0/15M&A ·
- 70.102.0.0/15M&A ·
- 67.50.0.0/15M&A ·
- 188.156.0.0/15M&A ·
- 141.94.0.0/15Transfer ·
- 170.58.0.0/16Transfer ·
- 81.223.0.0/16M&A ·
- 161.180.0.0/16M&A ·
- 157.245.0.0/16M&A ·
- 167.71.0.0/16Transfer ·
- 148.1.0.0/16M&A ·
- 144.169.0.0/16M&A ·
- 141.179.0.0/16inter-RIRTransfer ·
- 158.158.0.0/16inter-RIRTransfer ·
- 216.190.0.0/16M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 35.112.0.0/12 | Transfer | |||
| 35.80.0.0/12 | Transfer | |||
| 35.96.0.0/12 | Transfer | |||
| 35.72.0.0/13 | Transfer | |||
| 85.124.0.0/14 | UPC Austria GmbH | T-Mobile Austria GmbH | M&A | |
| 70.96.0.0/14 | M&A | |||
| 67.136.0.0/14 | M&A | |||
| 91.118.0.0/15 | UPC Austria GmbH | T-Mobile Austria GmbH | M&A | |
| 83.64.0.0/15 | UPC Austria GmbH | T-Mobile Austria GmbH | M&A | |
| 85.66.0.0/15 | Invitech Megoldasok Zrt. | DIGI Tavkozlesi es Szolgaltato Kft. | Transfer | |
| 208.186.0.0/15 | M&A | |||
| 70.102.0.0/15 | M&A | |||
| 67.50.0.0/15 | M&A | |||
| 188.156.0.0/15 | T-Mobile Hungary Telecommunications Company Limited by Shares | Magyar Telekom Plc. | M&A | |
| 141.94.0.0/15 | AT&T Global Network Services Nederland B.V. | Max Goeldi trading as Goeldi Tec | Transfer | |
| 170.58.0.0/16 | Transfer | |||
| 81.223.0.0/16 | UPC Austria GmbH | T-Mobile Austria GmbH | M&A | |
| 161.180.0.0/16 | M&A | |||
| 157.245.0.0/16 | M&A | |||
| 167.71.0.0/16 | Transfer | |||
| 148.1.0.0/16 | M&A | |||
| 144.169.0.0/16 | M&A | |||
| 141.179.0.0/16inter-RIR | Saudi Telecom Company JSC | Transfer | ||
| 158.158.0.0/16inter-RIR | Microsoft Operations Pte. Ltd. | Transfer | ||
| 216.190.0.0/16 | M&A |