IPv4 Transfers August 2015
In August 2015, the five Regional Internet Registries recorded 390 transfers: 7,812,864 IPv4 addresses in 337 blocks, plus 12 IPv6 blocks and 41 AS numbers. 9 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.
IPv4 addresses transferred
7.8M
337 IPv4 blocks
Registry transfers
390
12 IPv6 / 41 ASN
Inter-RIR transfers
9
329K IPv4 addresses (4%)
Mergers and acquisitions
107
283 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 August 2015
IPv4 addresses moved from one registry to another. All inter-RIR transfers
| From β / To β | RIPE NCC | ARIN | APNIC | LACNIC | AFRINIC |
|---|---|---|---|---|---|
| RIPE NCC | - | 0 | 0 | 0 | 0 |
| ARIN | 0 | - | 320K 7 transfers | 0 | 0 |
| APNIC | 0 | 9,216 2 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 |
|---|---|---|---|---|
| /12 | 1,048,576 | 4 | 1.2% | 4,194,304 |
| /13 | 524,288 | 1 | 0.3% | 524,288 |
| /14 | 262,144 | 2 | 0.6% | 524,288 |
| /15 | 131,072 | 7 | 2.1% | 917,504 |
| /16 | 65,536 | 14 | 4.2% | 917,504 |
| /17 | 32,768 | 4 | 1.2% | 131,072 |
| /18 | 16,384 | 9 | 2.7% | 147,456 |
| /19 | 8,192 | 21 | 6.2% | 172,032 |
| /20 | 4,096 | 19 | 5.6% | 77,824 |
| /21 | 2,048 | 41 | 12.2% | 83,968 |
| /22 | 1,024 | 73 | 21.7% | 74,752 |
| /23 | 512 | 45 | 13.4% | 23,040 |
| /24 | 256 | 97 | 28.8% | 24,832 |
Top Receiving Countries
- 1πΊπΈ United States4.7M
- 2πΉπ Thailand131K
- 3π°π Cambodia8,192
- 4πΈπ¬ Singapore8,192
- 5π¨π¦ Canada8,192
- 6π¨π³ China3,072
- 7ππ° Hong Kong SAR China512
Top Source Countries
IPv4 transferred across country borders in August 2015. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.
Largest IPv4 Transfers August 2015
- 47.192.0.0/12Transfer Β·
- 47.160.0.0/12Transfer Β·
- 47.144.0.0/12Transfer Β·
- 129.144.0.0/12M&A Β·
- 47.136.0.0/13Transfer Β·
- 47.184.0.0/14Transfer Β·
- 47.176.0.0/14Transfer Β·
- 47.188.0.0/15Transfer Β·
- 47.182.0.0/15Transfer Β·
- 47.180.0.0/15Transfer Β·
- 85.144.0.0/15Transfer Β·
- 40.72.0.0/15inter-RIRTransfer Β·
- 75.122.0.0/15M&A Β·
- 72.6.0.0/15M&A Β·
- 205.253.0.0/16M&A Β·
- 47.191.0.0/16Transfer Β·
- 47.190.0.0/16Transfer Β·
- 170.206.0.0/16M&A Β·
- 168.73.0.0/16M&A Β·
- 167.20.0.0/16M&A Β·
- 65.76.0.0/16M&A Β·
- 192.29.0.0/16M&A Β·
- 160.34.0.0/16M&A Β·
- 159.203.0.0/16Transfer Β·
- 184.22.0.0/16inter-RIRTransfer Β·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 47.192.0.0/12 | Bell-Northern Research | Frontier Communications Corporation | Transfer | |
| 47.160.0.0/12 | Bell-Northern Research | Frontier Communications Corporation | Transfer | |
| 47.144.0.0/12 | Bell-Northern Research | Frontier Communications Corporation | Transfer | |
| 129.144.0.0/12 | Sun Microsystems, Inc | Oracle Corporation | M&A | |
| 47.136.0.0/13 | Bell-Northern Research | Frontier Communications Corporation | Transfer | |
| 47.184.0.0/14 | Bell-Northern Research | Frontier Communications Corporation | Transfer | |
| 47.176.0.0/14 | Bell-Northern Research | Frontier Communications Corporation | Transfer | |
| 47.188.0.0/15 | Bell-Northern Research | Frontier Communications Corporation | Transfer | |
| 47.182.0.0/15 | Bell-Northern Research | Frontier Communications Corporation | Transfer | |
| 47.180.0.0/15 | Bell-Northern Research | Frontier Communications Corporation | Transfer | |
| 85.144.0.0/15 | Euronet Communications B.V. | Vodafone Libertel B.V. | Transfer | |
| 40.72.0.0/15inter-RIR | Eli Lilly and Company | Microsoft Singapore Pte. Ltd. | Transfer | |
| 75.122.0.0/15 | Nextel Communications, Inc. | Sprint Communications, Inc. | M&A | |
| 72.6.0.0/15 | Nextel Communications, Inc. | Sprint Communications, Inc. | M&A | |
| 205.253.0.0/16 | Macro Computer Solutions | Oak Point Partners Inc | M&A | |
| 47.191.0.0/16 | Bell-Northern Research | Frontier Communications Corporation | Transfer | |
| 47.190.0.0/16 | Bell-Northern Research | Frontier Communications Corporation | Transfer | |
| 170.206.0.0/16 | Nextel Communications, Inc. | Sprint Communications, Inc. | M&A | |
| 168.73.0.0/16 | Nextel Communications, Inc. | Sprint Communications, Inc. | M&A | |
| 167.20.0.0/16 | Nextel Communications, Inc. | Sprint Communications, Inc. | M&A | |
| 65.76.0.0/16 | Nextel Communications, Inc. | Sprint Communications, Inc. | M&A | |
| 192.29.0.0/16 | Sun Microsystems, Inc | Oracle Corporation | M&A | |
| 160.34.0.0/16 | Sun Microsystems, Inc | Oracle Corporation | M&A | |
| 159.203.0.0/16 | Oak Point Partners Inc | Digital Ocean, Inc. | Transfer | |
| 184.22.0.0/16inter-RIR | Backlog Capital, LLC | Advanced Wireless Network Company Limited | Transfer |