IPv4 Transfers August 2025
In August 2025, the five Regional Internet Registries recorded 2,425 transfers: 2,342,528 IPv4 addresses in 632 blocks, plus 51 IPv6 blocks and 1,742 AS numbers. 49 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.
IPv4 addresses transferred
2.3M
632 IPv4 blocks
Registry transfers
2,425
51 IPv6 / 1,742 ASN
Inter-RIR transfers
49
872K IPv4 addresses (37%)
Mergers and acquisitions
151
2,274 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 August 2025
IPv4 addresses moved from one registry to another. All inter-RIR transfers
| From ↓ / To → | RIPE NCC | ARIN | APNIC | LACNIC | AFRINIC |
|---|---|---|---|---|---|
| RIPE NCC | - | 4,096 8 transfers | 131K 1 transfers | 0 | 0 |
| ARIN | 332K 25 transfers | - | 394K 8 transfers | 0 | 0 |
| APNIC | 11K 7 transfers | 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 |
|---|---|---|---|---|
| /15 | 131,072 | 2 | 0.3% | 262,144 |
| /16 | 65,536 | 11 | 1.7% | 720,896 |
| /17 | 32,768 | 11 | 1.7% | 360,448 |
| /18 | 16,384 | 11 | 1.7% | 180,224 |
| /19 | 8,192 | 37 | 5.9% | 303,104 |
| /20 | 4,096 | 30 | 4.7% | 122,880 |
| /21 | 2,048 | 61 | 9.7% | 124,928 |
| /22 | 1,024 | 165 | 26.1% | 168,960 |
| /23 | 512 | 83 | 13.1% | 42,496 |
| /24 | 256 | 220 | 34.8% | 56,320 |
| /25 | 128 | 1 | 0.2% | 128 |
Top Receiving Countries
- 1🇸🇬 Singapore399K
- 2🇮🇩 Indonesia74K
- 3🇭🇰 Hong Kong SAR China70K
- 4🇳🇿 New Zealand66K
- 5🇦🇪 United Arab Emirates55K
- 6🇺🇸 United States46K
- 7🇬🇧 United Kingdom36K
- 8🇷🇺 Russia20K
- 9🇰🇿 Kazakhstan12K
- 10🇩🇪 Germany11K
Top Source Countries
- 1🇺🇸 United States521K
- 2🇬🇧 United Kingdom186K
- 3🇫🇷 France16K
- 4🇨🇦 Canada15K
- 5🇦🇺 Australia14K
- 6🇪🇸 Spain13K
- 7🇦🇲 Armenia12K
- 8🇧🇭 Bahrain10K
- 9🇷🇴 Romania9,728
- 10🇳🇿 New Zealand8,192
IPv4 transferred across country borders in August 2025.
Largest IPv4 Transfers August 2025
- 178.96.0.0/15inter-RIRTransfer ·
- 179.70.0.0/15inter-RIRTransfer ·
- 9.154.0.0/16inter-RIRTransfer ·
- 130.49.0.0/16inter-RIRTransfer ·
- 191.43.0.0/16inter-RIRTransfer ·
- 152.235.0.0/16inter-RIRTransfer ·
- 9.142.0.0/16inter-RIRTransfer ·
- 47.72.0.0/16inter-RIRTransfer ·
- 128.35.0.0/16M&A ·
- 144.31.0.0/16inter-RIRTransfer ·
- 72.56.0.0/16inter-RIRTransfer ·
- 134.120.0.0/16M&A ·
- 176.35.0.0/16Transfer ·
- 178.163.0.0/17Transfer ·
- 152.233.0.0/17inter-RIRTransfer ·
- 94.30.0.0/17Transfer ·
- 80.234.128.0/17Transfer ·
- 77.44.0.0/17Transfer ·
- 62.232.128.0/17Transfer ·
- 62.232.0.0/17Transfer ·
- 212.241.128.0/17Transfer ·
- 195.224.128.0/17Transfer ·
- 195.147.128.0/17Transfer ·
- 109.170.128.0/17Transfer ·
- 85.203.0.0/18Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 178.96.0.0/15inter-RIR | Transfer | |||
| 179.70.0.0/15inter-RIR | Transfer | |||
| 9.154.0.0/16inter-RIR | Transfer | |||
| 130.49.0.0/16inter-RIR | Transfer | |||
| 191.43.0.0/16inter-RIR | Transfer | |||
| 152.235.0.0/16inter-RIR | Transfer | |||
| 9.142.0.0/16inter-RIR | Transfer | |||
| 47.72.0.0/16inter-RIR | Transfer | |||
| 128.35.0.0/16 | M&A | |||
| 144.31.0.0/16inter-RIR | not published | Transfer | ||
| 72.56.0.0/16inter-RIR | Transfer | |||
| 134.120.0.0/16 | M&A | |||
| 176.35.0.0/16 | Transfer | |||
| 178.163.0.0/17 | Transfer | |||
| 152.233.0.0/17inter-RIR | Transfer | |||
| 94.30.0.0/17 | Transfer | |||
| 80.234.128.0/17 | Transfer | |||
| 77.44.0.0/17 | Transfer | |||
| 62.232.128.0/17 | Transfer | |||
| 62.232.0.0/17 | Transfer | |||
| 212.241.128.0/17 | Transfer | |||
| 195.224.128.0/17 | Transfer | |||
| 195.147.128.0/17 | Transfer | |||
| 109.170.128.0/17 | Transfer | |||
| 85.203.0.0/18 | Transfer |