IPv4 Transfers November 2017

In November 2017, the five Regional Internet Registries recorded 856 transfers: 17,093,632 IPv4 addresses in 683 blocks, plus 58 IPv6 blocks and 115 AS numbers. 11 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
17.1M
683 IPv4 blocks
Registry transfers
856
58 IPv6 / 115 ASN
Inter-RIR transfers
11
316K IPv4 addresses (2%)
Mergers and acquisitions
235
621 market transfers

Transfer Volume by RIR

Transfers counted at the receiving registry. Inter-RIR columns show IPv4 that entered or left the region.

Transfers per Regional Internet Registry, November 2017
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
RIPE NCC50411,889,66441,216135,168
ARIN2904,722,1764,096176,384
APNIC61473,600270,3364,096
LACNIC18,192--

Inter-RIR Transfers November 2017

IPv4 addresses moved from one registry to another. All inter-RIR transfers

IPv4 addresses transferred between Regional Internet Registries
From ↓ / To →RIPE NCCARINAPNICLACNICAFRINIC
RIPE NCC-
4,096
1 transfers
131K
2 transfers
00
ARIN
37K
3 transfers
-
139K
4 transfers
00
APNIC
4,096
1 transfers
0-00
LACNIC000-0
AFRINIC0000-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, November 2017
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/112,097,15220.3%4,194,304
/121,048,57640.6%4,194,304
/13524,28840.6%2,097,152
/14262,14430.4%786,432
/15131,07260.9%786,432
/1665,536365.3%2,359,296
/1732,768355.1%1,146,880
/1816,384294.2%475,136
/198,192547.9%442,368
/204,096598.6%241,664
/212,0487010.2%143,360
/221,02414220.8%145,408
/235127711.3%39,424
/2425616223.7%41,472

Top Receiving Countries

  1. 1🇺🇸 United States2.5M
  2. 2🇨🇳 China147K
  3. 3🇯🇵 Japan66K
  4. 4🇸🇬 Singapore66K
  5. 5🇨🇦 Canada9,216
  6. 6🇨🇴 Colombia8,192
  7. 7🇭🇰 Hong Kong SAR China4,096
  8. 8🇲🇻 Maldives4,096
  9. 9🇳🇿 New Zealand1,024

Top Source Countries

  1. 1🇨🇦 Canada2.5M
  2. 2🇺🇸 United States150K
  3. 3🇵🇦 Panama8,192
  4. 4🇹🇭 Thailand4,096
  5. 5🇦🇺 Australia1,536

IPv4 transferred across country borders in November 2017. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.

Largest IPv4 Transfers November 2017