IPv4 Transfers October 2017
In October 2017, the five Regional Internet Registries recorded 646 transfers: 20,102,912 IPv4 addresses in 510 blocks, plus 32 IPv6 blocks and 104 AS numbers. 27 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.
IPv4 addresses transferred
20.1M
510 IPv4 blocks
Registry transfers
646
32 IPv6 / 104 ASN
Inter-RIR transfers
27
412K IPv4 addresses (2%)
Mergers and acquisitions
138
508 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 October 2017
IPv4 addresses moved from one registry to another. All inter-RIR transfers
| From ↓ / To → | RIPE NCC | ARIN | APNIC | LACNIC | AFRINIC |
|---|---|---|---|---|---|
| RIPE NCC | - | 82K 2 transfers | 0 | 0 | 0 |
| ARIN | 36K 7 transfers | - | 292K 15 transfers | 0 | 0 |
| APNIC | 256 1 transfers | 2,048 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 |
|---|---|---|---|---|
| /10 | 4,194,304 | 2 | 0.4% | 8,388,608 |
| /11 | 2,097,152 | 1 | 0.2% | 2,097,152 |
| /12 | 1,048,576 | 2 | 0.4% | 2,097,152 |
| /13 | 524,288 | 2 | 0.4% | 1,048,576 |
| /14 | 262,144 | 4 | 0.8% | 1,048,576 |
| /15 | 131,072 | 8 | 1.6% | 1,048,576 |
| /16 | 65,536 | 46 | 9.0% | 3,014,656 |
| /17 | 32,768 | 12 | 2.4% | 393,216 |
| /18 | 16,384 | 11 | 2.2% | 180,224 |
| /19 | 8,192 | 45 | 8.8% | 368,640 |
| /20 | 4,096 | 34 | 6.7% | 139,264 |
| /21 | 2,048 | 48 | 9.4% | 98,304 |
| /22 | 1,024 | 119 | 23.3% | 121,856 |
| /23 | 512 | 51 | 10.0% | 26,112 |
| /24 | 256 | 125 | 24.5% | 32,000 |
Top Receiving Countries
- 1🇨🇳 China262K
- 2🇭🇰 Hong Kong SAR China23K
- 3🇦🇼 Aruba16K
- 4🇨🇦 Canada15K
- 5🇲🇻 Maldives4,096
- 6🇺🇸 United States2,304
- 7🇲🇫 St. Martin512
- 8🇬🇵 Guadeloupe256
Top Source Countries
- 1🇺🇸 United States305K
- 2🇦🇷 Argentina16K
- 3🇯🇵 Japan1,024
- 4🇨🇳 China1,024
- 5🇨🇦 Canada256
IPv4 transferred across country borders in October 2017. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.
Largest IPv4 Transfers October 2017
- 20.192.0.0/10Transfer ·
- 20.64.0.0/10Transfer ·
- 20.0.0.0/11Transfer ·
- 20.48.0.0/12Transfer ·
- 90.240.0.0/12Transfer ·
- 20.40.0.0/13Transfer ·
- 84.64.0.0/13Transfer ·
- 20.176.0.0/14Transfer ·
- 20.144.0.0/14Transfer ·
- 20.36.0.0/14Transfer ·
- 81.76.0.0/14Transfer ·
- 1.22.0.0/15Transfer ·
- 98.130.0.0/15M&A ·
- 76.162.0.0/15M&A ·
- 20.158.0.0/15Transfer ·
- 20.150.0.0/15Transfer ·
- 20.140.0.0/15Transfer ·
- 20.34.0.0/15Transfer ·
- 217.134.0.0/15Transfer ·
- 113.193.0.0/16Transfer ·
- 150.66.0.0/16Transfer ·
- 159.65.0.0/16Transfer ·
- 173.83.0.0/16M&A ·
- 96.0.0.0/16M&A ·
- 72.41.0.0/16M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 20.192.0.0/10 | Transfer | |||
| 20.64.0.0/10 | Transfer | |||
| 20.0.0.0/11 | Transfer | |||
| 20.48.0.0/12 | Transfer | |||
| 90.240.0.0/12 | Vodafone Enterprise U.K. | Vodafone Limited | Transfer | |
| 20.40.0.0/13 | Transfer | |||
| 84.64.0.0/13 | Vodafone Enterprise U.K. | Vodafone Limited | Transfer | |
| 20.176.0.0/14 | Transfer | |||
| 20.144.0.0/14 | Transfer | |||
| 20.36.0.0/14 | Transfer | |||
| 81.76.0.0/14 | Vodafone Enterprise U.K. | Vodafone Limited | Transfer | |
| 1.22.0.0/15 | Transfer | |||
| 98.130.0.0/15 | M&A | |||
| 76.162.0.0/15 | M&A | |||
| 20.158.0.0/15 | Transfer | |||
| 20.150.0.0/15 | Transfer | |||
| 20.140.0.0/15 | Transfer | |||
| 20.34.0.0/15 | Transfer | |||
| 217.134.0.0/15 | Vodafone Enterprise U.K. | Vodafone Limited | Transfer | |
| 113.193.0.0/16 | Transfer | |||
| 150.66.0.0/16 | Transfer | |||
| 159.65.0.0/16 | Transfer | |||
| 173.83.0.0/16 | M&A | |||
| 96.0.0.0/16 | M&A | |||
| 72.41.0.0/16 | M&A |