IPv4 Transfers April 2017
In April 2017, the five Regional Internet Registries recorded 523 transfers: 8,284,032 IPv4 addresses in 446 blocks, plus 19 IPv6 blocks and 58 AS numbers. 28 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.
IPv4 addresses transferred
8.3M
446 IPv4 blocks
Registry transfers
523
19 IPv6 / 58 ASN
Inter-RIR transfers
28
144K IPv4 addresses (2%)
Mergers and acquisitions
123
400 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 2017
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 | 136K 27 transfers | - | 8,192 1 transfers | 0 | 0 |
| APNIC | 0 | 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 |
|---|---|---|---|---|
| /14 | 262,144 | 6 | 1.3% | 1,572,864 |
| /15 | 131,072 | 10 | 2.2% | 1,310,720 |
| /16 | 65,536 | 66 | 14.8% | 4,325,376 |
| /17 | 32,768 | 8 | 1.8% | 262,144 |
| /18 | 16,384 | 13 | 2.9% | 212,992 |
| /19 | 8,192 | 24 | 5.4% | 196,608 |
| /20 | 4,096 | 33 | 7.4% | 135,168 |
| /21 | 2,048 | 56 | 12.6% | 114,688 |
| /22 | 1,024 | 115 | 25.8% | 117,760 |
| /23 | 512 | 25 | 5.6% | 12,800 |
| /24 | 256 | 89 | 20.0% | 22,784 |
| /25 | 128 | 1 | 0.2% | 128 |
Top Receiving Countries
- 1π΅π° Pakistan8,192
- 2ππ° Hong Kong SAR China8,192
- 3π»π³ Vietnam6,144
- 4πΊπΈ United States3,584
- 5π¨π¦ Canada2,816
- 6π΅π· Puerto Rico2,048
- 7πΉπ Thailand1,024
- 8π§π² Bermuda512
Top Source Countries
- 1πΊπΈ United States14K
- 2π¦πΊ Australia8,192
- 3πΈπ¬ Singapore6,144
- 4π¨π¦ Canada2,048
- 5π»π¬ British Virgin Islands1,536
- 6π―π΅ Japan1,024
IPv4 transferred across country borders in April 2017. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.
Largest IPv4 Transfers April 2017
- 18.224.0.0/14Transfer Β·
- 18.220.0.0/14Transfer Β·
- 18.204.0.0/14Transfer Β·
- 174.120.0.0/14M&A Β·
- 74.52.0.0/14M&A Β·
- 70.84.0.0/14M&A Β·
- 18.236.0.0/15Transfer Β·
- 18.216.0.0/15Transfer Β·
- 18.210.0.0/15Transfer Β·
- 18.202.0.0/15Transfer Β·
- 18.196.0.0/15Transfer Β·
- 18.194.0.0/15Transfer Β·
- 18.184.0.0/15Transfer Β·
- 184.172.0.0/15M&A Β·
- 174.132.0.0/15M&A Β·
- 67.18.0.0/15M&A Β·
- 170.139.0.0/16M&A Β·
- 159.89.0.0/16M&A Β·
- 94.130.0.0/16Transfer Β·
- 23.109.0.0/16inter-RIRTransfer Β·
- 128.168.0.0/16M&A Β·
- 123.137.0.0/16Transfer Β·βCNC(Ningbo)info-Port co.,LtdChina Internet Network Information Center/ZJCL
- 168.116.0.0/16M&A Β·
- 152.159.0.0/16M&A Β·
- 152.64.0.0/16M&A Β·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 18.224.0.0/14 | Massachusetts Institute of Technology | Amazon Technologies Inc. | Transfer | |
| 18.220.0.0/14 | Massachusetts Institute of Technology | Amazon Technologies Inc. | Transfer | |
| 18.204.0.0/14 | Massachusetts Institute of Technology | Amazon Technologies Inc. | Transfer | |
| 174.120.0.0/14 | ThePlanet.com Internet Services, Inc. | SoftLayer Technologies Inc. | M&A | |
| 74.52.0.0/14 | ThePlanet.com Internet Services, Inc. | SoftLayer Technologies Inc. | M&A | |
| 70.84.0.0/14 | ThePlanet.com Internet Services, Inc. | SoftLayer Technologies Inc. | M&A | |
| 18.236.0.0/15 | Massachusetts Institute of Technology | Amazon Technologies Inc. | Transfer | |
| 18.216.0.0/15 | Massachusetts Institute of Technology | Amazon Technologies Inc. | Transfer | |
| 18.210.0.0/15 | Massachusetts Institute of Technology | Amazon Technologies Inc. | Transfer | |
| 18.202.0.0/15 | Massachusetts Institute of Technology | Amazon Technologies Inc. | Transfer | |
| 18.196.0.0/15 | Massachusetts Institute of Technology | Amazon Technologies Inc. | Transfer | |
| 18.194.0.0/15 | Massachusetts Institute of Technology | Amazon Technologies Inc. | Transfer | |
| 18.184.0.0/15 | Massachusetts Institute of Technology | Amazon Technologies Inc. | Transfer | |
| 184.172.0.0/15 | ThePlanet.com Internet Services, Inc. | SoftLayer Technologies Inc. | M&A | |
| 174.132.0.0/15 | ThePlanet.com Internet Services, Inc. | SoftLayer Technologies Inc. | M&A | |
| 67.18.0.0/15 | ThePlanet.com Internet Services, Inc. | SoftLayer Technologies Inc. | M&A | |
| 170.139.0.0/16 | Moore Regional Hospital | FirstHealth of the Carolinas, Inc. | M&A | |
| 159.89.0.0/16 | Fletcher Challenge Canada Limited | Catalyst Paper Corporation | M&A | |
| 94.130.0.0/16 | D2 International Investment Ukraine Ltd. | Hetzner Online GmbH | Transfer | |
| 23.109.0.0/16inter-RIR | Nobis Technology Group, LLC | Servers.com B.V. | Transfer | |
| 128.168.0.0/16 | Gold Hill Computers | Gold Hill Computers LLC | M&A | |
| 123.137.0.0/16 | CNC(Ningbo)info-Port co.,Ltd | China Internet Network Information Center/ZJCL | Transfer | |
| 168.116.0.0/16 | McGraw Hill, Inc | S&P Global Inc. | M&A | |
| 152.159.0.0/16 | McGraw Hill, Inc | S&P Global Inc. | M&A | |
| 152.64.0.0/16 | McGraw Hill, Inc | S&P Global Inc. | M&A |