IPv4 Transfers May 2026
In May 2026, the five Regional Internet Registries recorded 868 transfers: 5,989,376 IPv4 addresses in 731 blocks, plus 34 IPv6 blocks and 103 AS numbers. 142 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.
IPv4 addresses transferred
6.0M
731 IPv4 blocks
Registry transfers
868
34 IPv6 / 103 ASN
Inter-RIR transfers
142
1.2M IPv4 addresses (21%)
Mergers and acquisitions
260
608 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 May 2026
IPv4 addresses moved from one registry to another. All inter-RIR transfers
| From โ / To โ | RIPE NCC | ARIN | APNIC | LACNIC | AFRINIC |
|---|---|---|---|---|---|
| RIPE NCC | - | 267K 5 transfers | 44K 4 transfers | 2,048 2 transfers | 0 |
| ARIN | 667K 82 transfers | - | 254K 38 transfers | 8,192 2 transfers | 0 |
| APNIC | 5,632 8 transfers | 0 | - | 0 | 0 |
| LACNIC | 0 | 256 1 transfers | 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 |
|---|---|---|---|---|
| /12 | 1,048,576 | 1 | 0.1% | 1,048,576 |
| /14 | 262,144 | 1 | 0.1% | 262,144 |
| /15 | 131,072 | 3 | 0.4% | 393,216 |
| /16 | 65,536 | 31 | 4.2% | 2,031,616 |
| /17 | 32,768 | 14 | 1.9% | 458,752 |
| /18 | 16,384 | 32 | 4.4% | 524,288 |
| /19 | 8,192 | 61 | 8.3% | 499,712 |
| /20 | 4,096 | 110 | 15.0% | 450,560 |
| /21 | 2,048 | 45 | 6.2% | 92,160 |
| /22 | 1,024 | 126 | 17.2% | 129,024 |
| /23 | 512 | 81 | 11.1% | 41,472 |
| /24 | 256 | 226 | 30.9% | 57,856 |
Top Receiving Countries
Top Source Countries
- 1๐บ๐ธ United States897K
- 2๐ฌ๐ง United Kingdom410K
- 3๐ซ๐ท France131K
- 4๐ช๐ธ Spain24K
- 5๐ณ๐ฑ Netherlands24K
- 6๐ฆ๐บ Australia22K
- 7๐ฉ๐ฐ Denmark21K
- 8๐จ๐ฆ Canada15K
- 9๐ธ๐จ Seychelles9,216
- 10๐ฏ๐ต Japan8,192
IPv4 transferred across country borders in May 2026.
Largest IPv4 Transfers May 2026
- 32.208.0.0/12M&A ยทโSouthern New England Telephone Company and SNET America, Inc.Verizon Business
- 31.64.0.0/14inter-RIRTransfer ยท
- 152.122.0.0/15M&A ยทโU.S. Department of TransportationU. S. Department of Transportation
- 178.148.0.0/15M&A ยทโSerbia BroadBand-Srpske Kablovske mreze d.o.o.Yettel d.o.o.
- 9.250.0.0/15inter-RIRTransfer ยท
- 201.29.0.0/16Transfer ยท
- 155.181.0.0/16Transfer ยท
- 167.225.0.0/16M&A ยท
- 159.201.0.0/16M&A ยท
- 192.45.0.0/16M&A ยท
- 129.193.0.0/16M&A ยท
- 129.4.0.0/16M&A ยท
- 143.240.0.0/16M&A ยทโPerformance Systems International, IncorporatedCogent Communications, LLC
- 90.96.0.0/16Transfer ยท
- 86.226.0.0/16Transfer ยท
- 162.115.0.0/16M&A ยท
- 151.144.0.0/16M&A ยท
- 137.188.0.0/16M&A ยท
- 165.198.0.0/16M&A ยท
- 165.197.0.0/16M&A ยท
- 169.225.0.0/16M&A ยท
- 169.135.0.0/16M&A ยทโUS Federal Highway AdministrationU. S. Department of Transportation
- 152.121.0.0/16M&A ยทโU.S. Department of TransportationU. S. Department of Transportation
- 152.120.0.0/16M&A ยท
- 152.119.0.0/16M&A ยทโU.S. Department of TransportationU. S. Department of Transportation
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 32.208.0.0/12 | Southern New England Telephone Company and SNET America, Inc. | Verizon Business | M&A | |
| 31.64.0.0/14inter-RIR | EE Limited | Salesforce.com, Inc. | Transfer | |
| 152.122.0.0/15 | U.S. Department of Transportation | U. S. Department of Transportation | M&A | |
| 178.148.0.0/15 | Serbia BroadBand-Srpske Kablovske mreze d.o.o. | Yettel d.o.o. | M&A | |
| 9.250.0.0/15inter-RIR | Saudi Telecom Company JSC | Transfer | ||
| 201.29.0.0/16 | Globenet Cabos Submarinos America Inc. | Oracle Corporation | Transfer | |
| 155.181.0.0/16 | NatWest Markets Securities Inc. | Oracle Corporation | Transfer | |
| 167.225.0.0/16 | Litton Computer Services | Northrop Grumman Corp. | M&A | |
| 159.201.0.0/16 | Litton Guidance & Control System | Northrop Grumman Corp. | M&A | |
| 192.45.0.0/16 | TRW Space and Defense Sector | Northrop Grumman Corp. | M&A | |
| 129.193.0.0/16 | TRW Space and Defense Sector | Northrop Grumman Corp. | M&A | |
| 129.4.0.0/16 | TRW Space and Defense Sector | Northrop Grumman Corp. | M&A | |
| 143.240.0.0/16 | Performance Systems International, Incorporated | Cogent Communications, LLC | M&A | |
| 90.96.0.0/16 | Orange S.A. | NET AND GRID RESEARCH, LLC | Transfer | |
| 86.226.0.0/16 | Orange S.A. | NET AND GRID RESEARCH, LLC | Transfer | |
| 162.115.0.0/16 | Verizon Wireless | Verizon Business | M&A | |
| 151.144.0.0/16 | Verizon Wireless | Verizon Business | M&A | |
| 137.188.0.0/16 | Verizon Wireless | Verizon Business | M&A | |
| 165.198.0.0/16 | Pepsi-Cola International, Ltd. | PepsiCo, Inc. | M&A | |
| 165.197.0.0/16 | Pepsi-Cola International, Ltd. | PepsiCo, Inc. | M&A | |
| 169.225.0.0/16 | The Quaker Oats Company | PepsiCo, Inc. | M&A | |
| 169.135.0.0/16 | US Federal Highway Administration | U. S. Department of Transportation | M&A | |
| 152.121.0.0/16 | U.S. Department of Transportation | U. S. Department of Transportation | M&A | |
| 152.120.0.0/16 | U.S. Dept. of Transportation | U. S. Department of Transportation | M&A | |
| 152.119.0.0/16 | U.S. Department of Transportation | U. S. Department of Transportation | M&A |