IPv4 Transfers November 2023
In November 2023, the five Regional Internet Registries recorded 1,388 transfers: 5,667,200 IPv4 addresses in 1,016 blocks, plus 211 IPv6 blocks and 161 AS numbers. 36 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.
IPv4 addresses transferred
5.7M
1,016 IPv4 blocks
Registry transfers
1,388
211 IPv6 / 161 ASN
Inter-RIR transfers
36
715K IPv4 addresses (13%)
Mergers and acquisitions
367
1,021 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 November 2023
IPv4 addresses moved from one registry to another. All inter-RIR transfers
| From ↓ / To → | RIPE NCC | ARIN | APNIC | LACNIC | AFRINIC |
|---|---|---|---|---|---|
| RIPE NCC | - | 109K 6 transfers | 1,024 1 transfers | 0 | 0 |
| ARIN | 402K 14 transfers | - | 1,280 2 transfers | 256 1 transfers | 0 |
| APNIC | 200K 9 transfers | 768 2 transfers | - | 0 | 0 |
| LACNIC | 0 | 1,024 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 |
|---|---|---|---|---|
| /14 | 262,144 | 2 | 0.2% | 524,288 |
| /15 | 131,072 | 5 | 0.5% | 655,360 |
| /16 | 65,536 | 43 | 4.2% | 2,818,048 |
| /17 | 32,768 | 16 | 1.6% | 524,288 |
| /18 | 16,384 | 14 | 1.4% | 229,376 |
| /19 | 8,192 | 27 | 2.7% | 221,184 |
| /20 | 4,096 | 43 | 4.2% | 176,128 |
| /21 | 2,048 | 52 | 5.1% | 106,496 |
| /22 | 1,024 | 226 | 22.2% | 231,424 |
| /23 | 512 | 118 | 11.6% | 60,416 |
| /24 | 256 | 469 | 46.2% | 120,064 |
| /25 | 128 | 1 | 0.1% | 128 |
Top Receiving Countries
- 1🇸🇬 Singapore34K
- 2🇺🇸 United States3,072
- 3🇨🇦 Canada2,560
- 4🇨🇴 Colombia2,048
- 5🇯🇵 Japan1,280
- 6🇹🇭 Thailand1,024
- 7🇲🇻 Maldives1,024
- 8🇵🇭 Philippines1,024
- 9🇭🇰 Hong Kong SAR China512
Top Source Countries
- 1🇯🇵 Japan197K
- 2🇮🇳 India37K
- 3🇺🇸 United States3,328
- 4🇨🇦 Canada2,304
- 5🇧🇩 Bangladesh2,048
- 6🇧🇷 Brazil2,048
- 7🇨🇳 China1,536
- 8🇦🇷 Argentina1,280
- 9🇦🇺 Australia256
IPv4 transferred across country borders in November 2023. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.
Largest IPv4 Transfers November 2023
- 68.164.0.0/14M&A ·
- 67.100.0.0/14M&A ·
- 74.0.0.0/15M&A ·
- 72.244.0.0/15M&A ·
- 66.166.0.0/15M&A ·
- 66.92.0.0/15M&A ·
- 2.0.0.0/15Transfer ·
- 138.85.0.0/16M&A ·
- 129.192.0.0/16M&A ·
- 84.222.0.0/16Transfer ·
- 199.50.0.0/16inter-RIRTransfer ·
- 161.157.0.0/16inter-RIRTransfer ·
- 158.24.0.0/16inter-RIRTransfer ·
- 158.83.0.0/16M&A ·
- 147.64.0.0/16M&A ·
- 74.2.0.0/16M&A ·
- 69.3.0.0/16M&A ·
- 66.134.0.0/16M&A ·
- 64.105.0.0/16M&A ·
- 64.81.0.0/16M&A ·
- 137.227.0.0/16M&A ·
- 161.160.0.0/16M&A ·
- 199.39.0.0/16M&A ·
- 94.152.0.0/16M&A ·
- 170.22.0.0/16M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 68.164.0.0/14 | M&A | |||
| 67.100.0.0/14 | M&A | |||
| 74.0.0.0/15 | M&A | |||
| 72.244.0.0/15 | M&A | |||
| 66.166.0.0/15 | M&A | |||
| 66.92.0.0/15 | M&A | |||
| 2.0.0.0/15 | Orange S.A. | Oracle Svenska AB | Transfer | |
| 138.85.0.0/16 | M&A | |||
| 129.192.0.0/16 | M&A | |||
| 84.222.0.0/16 | Tiscali Italia S.P.A. | Microsoft Limited | Transfer | |
| 199.50.0.0/16inter-RIR | Microsoft Limited | Transfer | ||
| 161.157.0.0/16inter-RIR | Microsoft Limited | Transfer | ||
| 158.24.0.0/16inter-RIR | Microsoft Limited | Transfer | ||
| 158.83.0.0/16 | M&A | |||
| 147.64.0.0/16 | M&A | |||
| 74.2.0.0/16 | M&A | |||
| 69.3.0.0/16 | M&A | |||
| 66.134.0.0/16 | M&A | |||
| 64.105.0.0/16 | M&A | |||
| 64.81.0.0/16 | M&A | |||
| 137.227.0.0/16 | M&A | |||
| 161.160.0.0/16 | M&A | |||
| 199.39.0.0/16 | M&A | |||
| 94.152.0.0/16 | Cyber_Folks S.A. | Cyber_Folks S.A. | M&A | |
| 170.22.0.0/16 | M&A |