IPv4 Transfers September 2019
In September 2019, the five Regional Internet Registries recorded 717 transfers: 2,092,800 IPv4 addresses in 540 blocks, plus 63 IPv6 blocks and 114 AS numbers. 20 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.
IPv4 addresses transferred
2.1M
540 IPv4 blocks
Registry transfers
717
63 IPv6 / 114 ASN
Inter-RIR transfers
20
242K IPv4 addresses (12%)
Mergers and acquisitions
200
517 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 September 2019
IPv4 addresses moved from one registry to another. All inter-RIR transfers
| From ↓ / To → | RIPE NCC | ARIN | APNIC | LACNIC | AFRINIC |
|---|---|---|---|---|---|
| RIPE NCC | - | 74K 3 transfers | 95K 11 transfers | 0 | 0 |
| ARIN | 256 1 transfers | - | 72K 4 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 |
|---|---|---|---|---|
| /14 | 262,144 | 1 | 0.2% | 262,144 |
| /15 | 131,072 | 1 | 0.2% | 131,072 |
| /16 | 65,536 | 6 | 1.1% | 393,216 |
| /17 | 32,768 | 9 | 1.7% | 294,912 |
| /18 | 16,384 | 9 | 1.7% | 147,456 |
| /19 | 8,192 | 35 | 6.5% | 286,720 |
| /20 | 4,096 | 56 | 10.4% | 229,376 |
| /21 | 2,048 | 52 | 9.6% | 106,496 |
| /22 | 1,024 | 168 | 31.1% | 172,032 |
| /23 | 512 | 68 | 12.6% | 34,816 |
| /24 | 256 | 135 | 25.0% | 34,560 |
Top Receiving Countries
- 1🇸🇬 Singapore81K
- 2🇺🇸 United States79K
- 3🇯🇵 Japan41K
- 4🇵🇭 Philippines33K
- 5🇦🇺 Australia14K
- 6🇨🇦 Canada9,472
- 7🇪🇨 Ecuador6,144
- 8🇮🇳 India4,096
- 9🇳🇿 New Zealand4,096
- 10🇹🇼 Taiwan3,072
Top Source Countries
- 1🇺🇸 United States82K
- 2🇨🇦 Canada74K
- 3🇨🇳 China14K
- 4🇩🇴 Dominican Republic6,144
- 5🇵🇷 Puerto Rico4,096
- 6🇦🇺 Australia3,072
- 7🇮🇳 India2,048
- 8🇧🇿 Belize2,048
- 9🇵🇦 Panama1,024
IPv4 transferred across country borders in September 2019. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.
Largest IPv4 Transfers September 2019
- 209.228.0.0/14M&A ·
- 65.20.0.0/15M&A ·
- 24.122.0.0/16M&A ·
- 146.78.0.0/16Transfer ·
- 134.199.0.0/16M&A ·
- 151.192.0.0/16inter-RIRTransfer ·
- 159.250.0.0/16Transfer ·
- 51.161.0.0/16inter-RIRTransfer ·
- 74.210.128.0/17M&A ·
- 24.226.128.0/17M&A ·
- 135.12.128.0/17Transfer ·
- 193.119.128.0/17inter-RIRTransfer ·
- 194.87.128.0/17Transfer ·
- 194.87.0.0/17Transfer ·
- 134.122.0.0/17Transfer ·
- 205.208.128.0/17M&A ·
- 136.158.128.0/17inter-RIRTransfer ·
- 24.230.192.0/18M&A ·
- 24.54.0.0/18M&A ·
- 24.50.64.0/18M&A ·
- 85.195.64.0/18Transfer ·
- 195.133.0.0/18Transfer ·
- 178.130.64.0/18Transfer ·
- 82.210.128.0/18Transfer ·
- 62.121.64.0/18Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 209.228.0.0/14 | M&A | |||
| 65.20.0.0/15 | M&A | |||
| 24.122.0.0/16 | M&A | |||
| 146.78.0.0/16 | Transfer | |||
| 134.199.0.0/16 | M&A | |||
| 151.192.0.0/16inter-RIR | Transfer | |||
| 159.250.0.0/16 | Transfer | |||
| 51.161.0.0/16inter-RIR | OVH SAS | Transfer | ||
| 74.210.128.0/17 | M&A | |||
| 24.226.128.0/17 | M&A | |||
| 135.12.128.0/17 | Transfer | |||
| 193.119.128.0/17inter-RIR | TELSTRA LIMITED | Transfer | ||
| 194.87.128.0/17 | Limited Liability Company "Relcom Group" | Reliable Communications s.r.o. | Transfer | |
| 194.87.0.0/17 | Limited Liability Company "Relcom Group" | Reliable Communications s.r.o. | Transfer | |
| 134.122.0.0/17 | Transfer | |||
| 205.208.128.0/17 | M&A | |||
| 136.158.128.0/17inter-RIR | EVRY NORGE AS | Transfer | ||
| 24.230.192.0/18 | M&A | |||
| 24.54.0.0/18 | M&A | |||
| 24.50.64.0/18 | M&A | |||
| 85.195.64.0/18 | velia.net Internetdienste GmbH | Host Europe GmbH | Transfer | |
| 195.133.0.0/18 | Limited Liability Company "Relcom Group" | Reliable Communications s.r.o. | Transfer | |
| 178.130.64.0/18 | National Telecom, CJSC | Public Telecommunication Corporation | Transfer | |
| 82.210.128.0/18 | UPC Polska Sp. z o.o. | UPC Romania S.A. | Transfer | |
| 62.121.64.0/18 | UPC Polska Sp. z o.o. | UPC Romania S.A. | Transfer |