IPv4 Transfers December 2025
In December 2025, the five Regional Internet Registries recorded 1,885 transfers: 18,425,088 IPv4 addresses in 1,368 blocks, plus 226 IPv6 blocks and 291 AS numbers. 86 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.
IPv4 addresses transferred
18.4M
1,368 IPv4 blocks
Registry transfers
1,885
226 IPv6 / 291 ASN
Inter-RIR transfers
86
1.4M IPv4 addresses (7%)
Mergers and acquisitions
533
1,352 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 2025
IPv4 addresses moved from one registry to another. All inter-RIR transfers
| From ↓ / To → | RIPE NCC | ARIN | APNIC | LACNIC | AFRINIC |
|---|---|---|---|---|---|
| RIPE NCC | - | 9,216 2 transfers | 102K 21 transfers | 2,560 4 transfers | 0 |
| ARIN | 1.2M 53 transfers | - | 86K 3 transfers | 0 | 0 |
| APNIC | 2,048 2 transfers | 512 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 |
|---|---|---|---|---|
| /11 | 2,097,152 | 1 | 0.1% | 2,097,152 |
| /12 | 1,048,576 | 1 | 0.1% | 1,048,576 |
| /13 | 524,288 | 3 | 0.2% | 1,572,864 |
| /14 | 262,144 | 21 | 1.5% | 5,505,024 |
| /15 | 131,072 | 13 | 1.0% | 1,703,936 |
| /16 | 65,536 | 64 | 4.7% | 4,194,304 |
| /17 | 32,768 | 10 | 0.7% | 327,680 |
| /18 | 16,384 | 27 | 2.0% | 442,368 |
| /19 | 8,192 | 50 | 3.7% | 409,600 |
| /20 | 4,096 | 74 | 5.4% | 303,104 |
| /21 | 2,048 | 112 | 8.2% | 229,376 |
| /22 | 1,024 | 386 | 28.2% | 395,264 |
| /23 | 512 | 159 | 11.6% | 81,408 |
| /24 | 256 | 447 | 32.7% | 114,432 |
Top Receiving Countries
- 1🇬🇧 United Kingdom627K
- 2🇱🇹 Lithuania198K
- 3🇳🇱 Netherlands135K
- 4🇨🇦 Canada133K
- 5🇵🇦 Panama131K
- 6🇦🇪 United Arab Emirates83K
- 7🇺🇸 United States76K
- 8🇭🇰 Hong Kong SAR China69K
- 9🇸🇨 Seychelles66K
- 10🇯🇵 Japan66K
Top Source Countries
- 1🇺🇸 United States1.4M
- 2🇪🇸 Spain137K
- 3🇨🇭 Switzerland73K
- 4🇩🇰 Denmark42K
- 5🇮🇪 Ireland28K
- 6🇩🇪 Germany21K
- 7🇳🇱 Netherlands20K
- 8🇨🇳 China19K
- 9🇦🇺 Australia18K
IPv4 transferred across country borders in December 2025.
Largest IPv4 Transfers December 2025
- 208.0.0.0/11M&A ·
- 63.160.0.0/12M&A ·
- 48.176.0.0/13inter-RIRTransfer ·
- 205.240.0.0/13M&A ·
- 65.160.0.0/13M&A ·
- 95.88.0.0/14M&A ·
- 91.64.0.0/14M&A ·
- 77.20.0.0/14M&A ·
- 31.16.0.0/14M&A ·
- 188.192.0.0/14M&A ·
- 178.24.0.0/14M&A ·
- 208.32.0.0/14M&A ·
- 207.40.0.0/14M&A ·
- 207.12.0.0/14M&A ·
- 206.228.0.0/14M&A ·
- 206.104.0.0/14M&A ·
- 205.160.0.0/14M&A ·
- 204.248.0.0/14M&A ·
- 204.212.0.0/14M&A ·
- 204.204.0.0/14M&A ·
- 204.180.0.0/14M&A ·
- 199.160.0.0/14M&A ·
- 199.0.0.0/14M&A ·
- 65.168.0.0/14M&A ·
- 92.12.0.0/14Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 208.0.0.0/11 | M&A | |||
| 63.160.0.0/12 | M&A | |||
| 48.176.0.0/13inter-RIR | Transfer | |||
| 205.240.0.0/13 | M&A | |||
| 65.160.0.0/13 | M&A | |||
| 95.88.0.0/14 | M&A | |||
| 91.64.0.0/14 | M&A | |||
| 77.20.0.0/14 | M&A | |||
| 31.16.0.0/14 | M&A | |||
| 188.192.0.0/14 | M&A | |||
| 178.24.0.0/14 | M&A | |||
| 208.32.0.0/14 | M&A | |||
| 207.40.0.0/14 | M&A | |||
| 207.12.0.0/14 | M&A | |||
| 206.228.0.0/14 | M&A | |||
| 206.104.0.0/14 | M&A | |||
| 205.160.0.0/14 | M&A | |||
| 204.248.0.0/14 | M&A | |||
| 204.212.0.0/14 | M&A | |||
| 204.204.0.0/14 | M&A | |||
| 204.180.0.0/14 | M&A | |||
| 199.160.0.0/14 | M&A | |||
| 199.0.0.0/14 | M&A | |||
| 65.168.0.0/14 | M&A | |||
| 92.12.0.0/14 | Transfer |