IPv4 Transfers December 2017
In December 2017, the five Regional Internet Registries recorded 907 transfers: 8,883,072 IPv4 addresses in 691 blocks, plus 84 IPv6 blocks and 132 AS numbers. 19 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.
IPv4 addresses transferred
8.9M
691 IPv4 blocks
Registry transfers
907
84 IPv6 / 132 ASN
Inter-RIR transfers
19
110K IPv4 addresses (1%)
Mergers and acquisitions
230
677 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 December 2017
IPv4 addresses moved from one registry to another. All inter-RIR transfers
| From ↓ / To → | RIPE NCC | ARIN | APNIC | LACNIC | AFRINIC |
|---|---|---|---|---|---|
| RIPE NCC | - | 8,192 2 transfers | 0 | 0 | 0 |
| ARIN | 69K 7 transfers | - | 30K 8 transfers | 0 | 0 |
| APNIC | 2,048 1 transfers | 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 |
|---|---|---|---|---|
| /10 | 4,194,304 | 1 | 0.1% | 4,194,304 |
| /14 | 262,144 | 5 | 0.7% | 1,310,720 |
| /15 | 131,072 | 2 | 0.3% | 262,144 |
| /16 | 65,536 | 13 | 1.9% | 851,968 |
| /17 | 32,768 | 16 | 2.3% | 524,288 |
| /18 | 16,384 | 42 | 6.1% | 688,128 |
| /19 | 8,192 | 46 | 6.7% | 376,832 |
| /20 | 4,096 | 60 | 8.7% | 245,760 |
| /21 | 2,048 | 77 | 11.1% | 157,696 |
| /22 | 1,024 | 186 | 26.9% | 190,464 |
| /23 | 512 | 75 | 10.9% | 38,400 |
| /24 | 256 | 164 | 23.7% | 41,984 |
| /25 | 128 | 2 | 0.3% | 256 |
| /26 | 64 | 2 | 0.3% | 128 |
Top Receiving Countries
- 1🇨🇦 Canada50K
- 2🇺🇸 United States14K
- 3🇦🇺 Australia11K
- 4🇰🇭 Cambodia5,120
- 5🇰🇷 South Korea5,120
- 6🇭🇰 Hong Kong SAR China4,096
- 7🇯🇵 Japan2,048
- 8🇳🇿 New Zealand2,048
Top Source Countries
- 1🇺🇸 United States58K
- 2🇨🇦 Canada31K
- 3🇯🇵 Japan10K
- 4🇬🇧 United Kingdom5,120
- 5🇦🇺 Australia5,120
- 6🇮🇳 India4,096
IPv4 transferred across country borders in December 2017. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.
Largest IPv4 Transfers December 2017
- 3.0.0.0/10Transfer ·
- 89.156.0.0/14Transfer ·
- 85.168.0.0/14Transfer ·
- 81.64.0.0/14Transfer ·
- 78.8.0.0/14Transfer ·
- 42.188.0.0/14Transfer ·
- 89.2.0.0/15Transfer ·
- 85.68.0.0/15Transfer ·
- 157.175.0.0/16Transfer ·
- 82.216.0.0/16Transfer ·
- 81.220.0.0/16Transfer ·
- 212.198.0.0/16Transfer ·
- 150.222.0.0/16Transfer ·
- 160.1.0.0/16Transfer ·
- 146.168.0.0/16Transfer ·
- 161.113.0.0/16M&A ·
- 160.2.0.0/16Transfer ·
- 161.189.0.0/16Transfer ·
- 87.105.0.0/16Transfer ·
- 157.175.0.0/16M&A ·
- 59.82.0.0/16Transfer ·
- 71.152.0.0/17Transfer ·
- 87.231.128.0/17Transfer ·
- 87.231.0.0/17Transfer ·
- 83.141.128.0/17Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 3.0.0.0/10 | Transfer | |||
| 89.156.0.0/14 | NC Numericable S.A. | SFR SA | Transfer | |
| 85.168.0.0/14 | NC Numericable S.A. | SFR SA | Transfer | |
| 81.64.0.0/14 | NC Numericable S.A. | SFR SA | Transfer | |
| 78.8.0.0/14 | Telefonia Dialog sp.z.o.o. | Netia SA | Transfer | |
| 42.188.0.0/14 | Transfer | |||
| 89.2.0.0/15 | NC Numericable S.A. | SFR SA | Transfer | |
| 85.68.0.0/15 | NC Numericable S.A. | SFR SA | Transfer | |
| 157.175.0.0/16 | Transfer | |||
| 82.216.0.0/16 | NC Numericable S.A. | SFR SA | Transfer | |
| 81.220.0.0/16 | NC Numericable S.A. | SFR SA | Transfer | |
| 212.198.0.0/16 | NC Numericable S.A. | SFR SA | Transfer | |
| 150.222.0.0/16 | Transfer | |||
| 160.1.0.0/16 | Transfer | |||
| 146.168.0.0/16 | Transfer | |||
| 161.113.0.0/16 | M&A | |||
| 160.2.0.0/16 | Transfer | |||
| 161.189.0.0/16 | Transfer | |||
| 87.105.0.0/16 | Telefonia Dialog sp.z.o.o. | Netia SA | Transfer | |
| 157.175.0.0/16 | M&A | |||
| 59.82.0.0/16 | Transfer | |||
| 71.152.0.0/17 | Transfer | |||
| 87.231.128.0/17 | NC Numericable S.A. | SFR SA | Transfer | |
| 87.231.0.0/17 | NC Numericable S.A. | SFR SA | Transfer | |
| 83.141.128.0/17 | NC Numericable S.A. | SFR SA | Transfer |