IPv4 Transfers March 2017

In March 2017, the five Regional Internet Registries recorded 771 transfers: 3,684,352 IPv4 addresses in 653 blocks, plus 30 IPv6 blocks and 88 AS numbers. 10 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
3.7M
653 IPv4 blocks
Registry transfers
771
30 IPv6 / 88 ASN
Inter-RIR transfers
10
96K IPv4 addresses (3%)
Mergers and acquisitions
304
467 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, March 2017
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN4542,790,4004,60891,136
RIPE NCC258741,63273,7282,560
APNIC57144,12817,4082,048
LACNIC28,192--

Inter-RIR Transfers March 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-
2,560
2 transfers
000
ARIN
74K
2 transfers
-
17K
4 transfers
00
APNIC0
2,048
2 transfers
-00
LACNIC000-0
AFRINIC0000-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, March 2017
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/121,048,57610.2%1,048,576
/14262,14410.2%262,144
/1665,536132.0%851,968
/1732,76881.2%262,144
/1816,384203.1%327,680
/198,192436.6%352,256
/204,096507.7%204,800
/212,048609.2%122,880
/221,02414021.4%143,360
/2351210716.4%54,784
/2425621032.2%53,760

Top Receiving Countries

  1. 1🇺🇸 United States57K
  2. 2🇨🇦 Canada55K
  3. 3🇸🇽 Sint Maarten8,192
  4. 4🇲🇲 Myanmar (Burma)8,192
  5. 5🇮🇳 India4,096
  6. 6🇭🇰 Hong Kong SAR China3,072
  7. 7🇲🇾 Malaysia2,048
  8. 8🇳🇿 New Zealand2,048
  9. 9🇵🇷 Puerto Rico512

Top Source Countries

  1. 1🇺🇸 United States64K
  2. 2🇰🇳 St. Kitts & Nevis46K
  3. 3🇨🇼 Curaçao8,192
  4. 4🇻🇬 British Virgin Islands5,120
  5. 5🇨🇦 Canada4,352
  6. 6🇵🇭 Philippines2,048
  7. 7🇨🇳 China2,048
  8. 8🇭🇰 Hong Kong SAR China2,048
  9. 9🇦🇺 Australia2,048

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

Largest IPv4 Transfers March 2017