IPv4 Transfers November 2015
In November 2015, the five Regional Internet Registries recorded 348 transfers: 9,269,248 IPv4 addresses in 290 blocks, plus 13 IPv6 blocks and 45 AS numbers. 4 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.
IPv4 addresses transferred
9.3M
290 IPv4 blocks
Registry transfers
348
13 IPv6 / 45 ASN
Inter-RIR transfers
4
269K IPv4 addresses (3%)
Mergers and acquisitions
78
270 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 November 2015
IPv4 addresses moved from one registry to another. All inter-RIR transfers
| From ↓ / To → | RIPE NCC | ARIN | APNIC | LACNIC | AFRINIC |
|---|---|---|---|---|---|
| RIPE NCC | - | 0 | 0 | 0 | 0 |
| ARIN | 4,096 1 transfers | - | 264K 2 transfers | 0 | 0 |
| APNIC | 0 | 1,024 1 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 |
|---|---|---|---|---|
| /11 | 2,097,152 | 2 | 0.7% | 4,194,304 |
| /12 | 1,048,576 | 1 | 0.3% | 1,048,576 |
| /13 | 524,288 | 2 | 0.7% | 1,048,576 |
| /14 | 262,144 | 5 | 1.7% | 1,310,720 |
| /15 | 131,072 | 3 | 1.0% | 393,216 |
| /16 | 65,536 | 11 | 3.8% | 720,896 |
| /17 | 32,768 | 1 | 0.3% | 32,768 |
| /18 | 16,384 | 7 | 2.4% | 114,688 |
| /19 | 8,192 | 11 | 3.8% | 90,112 |
| /20 | 4,096 | 26 | 9.0% | 106,496 |
| /21 | 2,048 | 48 | 16.6% | 98,304 |
| /22 | 1,024 | 74 | 25.5% | 75,776 |
| /23 | 512 | 37 | 12.8% | 18,944 |
| /24 | 256 | 62 | 21.4% | 15,872 |
Top Receiving Countries
- 1🇨🇳 China262K
- 2🇨🇦 Canada10K
- 3🇺🇸 United States10K
- 4🇰🇭 Cambodia2,048
- 5🇹🇼 Taiwan1,024
Top Source Countries
- 1🇺🇸 United States274K
- 2🇻🇬 British Virgin Islands6,144
- 3🇨🇦 Canada4,096
- 4🇳🇿 New Zealand1,024
- 5🇸🇬 Singapore1,024
- 6🇦🇺 Australia1,024
- 7🇯🇵 Japan512
IPv4 transferred across country borders in November 2015. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.
Largest IPv4 Transfers November 2015
- 52.224.0.0/11Transfer ·
- 52.160.0.0/11Transfer ·
- 52.96.0.0/12Transfer ·
- 52.152.0.0/13Transfer ·
- 52.136.0.0/13Transfer ·
- 52.148.0.0/14Transfer ·
- 52.132.0.0/14Transfer ·
- 52.120.0.0/14Transfer ·
- 52.112.0.0/14Transfer ·
- 52.80.0.0/14inter-RIRTransfer ·
- 52.146.0.0/15Transfer ·
- 52.130.0.0/15Transfer ·
- 52.126.0.0/15Transfer ·
- 150.171.0.0/16Transfer ·
- 146.147.0.0/16Transfer ·
- 138.196.0.0/16Transfer ·
- 52.145.0.0/16Transfer ·
- 52.125.0.0/16Transfer ·
- 162.125.0.0/16Transfer ·
- 5.73.0.0/16Transfer ·
- 167.87.0.0/16M&A ·
- 168.199.0.0/16Transfer ·
- 166.86.0.0/16Transfer ·
- 170.250.0.0/16Transfer ·
- 194.220.0.0/17Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 52.224.0.0/11 | Transfer | |||
| 52.160.0.0/11 | Transfer | |||
| 52.96.0.0/12 | Transfer | |||
| 52.152.0.0/13 | Transfer | |||
| 52.136.0.0/13 | Transfer | |||
| 52.148.0.0/14 | Transfer | |||
| 52.132.0.0/14 | Transfer | |||
| 52.120.0.0/14 | Transfer | |||
| 52.112.0.0/14 | Transfer | |||
| 52.80.0.0/14inter-RIR | Transfer | |||
| 52.146.0.0/15 | Transfer | |||
| 52.130.0.0/15 | Transfer | |||
| 52.126.0.0/15 | Transfer | |||
| 150.171.0.0/16 | Transfer | |||
| 146.147.0.0/16 | Transfer | |||
| 138.196.0.0/16 | Transfer | |||
| 52.145.0.0/16 | Transfer | |||
| 52.125.0.0/16 | Transfer | |||
| 162.125.0.0/16 | Transfer | |||
| 5.73.0.0/16 | Link Telecom LLC | "Rightel Communication Service Company PJS" | Transfer | |
| 167.87.0.0/16 | M&A | |||
| 168.199.0.0/16 | Transfer | |||
| 166.86.0.0/16 | Transfer | |||
| 170.250.0.0/16 | Transfer | |||
| 194.220.0.0/17 | OOO "NPO Relcom" | VODAFONE ESPANA S.A.U. | Transfer |