IPv4 Transfers March 2016

In March 2016, the five Regional Internet Registries recorded 446 transfers: 4,436,480 IPv4 addresses in 375 blocks, plus 15 IPv6 blocks and 56 AS numbers. 17 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
4.4M
375 IPv4 blocks
Registry transfers
446
15 IPv6 / 56 ASN
Inter-RIR transfers
17
712K IPv4 addresses (16%)
Mergers and acquisitions
115
331 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 2016
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN1682,183,424512707,072
APNIC781,578,496442,3684,608
RIPE NCC200674,560268,800-

Inter-RIR Transfers March 2016

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-0000
ARIN
265K
9 transfers
-
442K
6 transfers
00
APNIC
4,096
1 transfers
512
1 transfers
-00
LACNIC000-0
AFRINIC0000-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, March 2016
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/13524,28810.3%524,288
/14262,14420.5%524,288
/15131,07251.3%655,360
/1665,536256.7%1,638,400
/1732,76861.6%196,608
/1816,384133.5%212,992
/198,1923910.4%319,488
/204,096369.6%147,456
/212,0483810.1%77,824
/221,02410126.9%103,424
/23512338.8%16,896
/242567620.3%19,456

Top Receiving Countries

  1. 1🇺🇸 United States1.1M
  2. 2🇮🇳 India786K
  3. 3🇸🇬 Singapore262K
  4. 4🇯🇵 Japan229K
  5. 5🇨🇦 Canada11K
  6. 6🇭🇰 Hong Kong SAR China8,192
  7. 7🇵🇷 Puerto Rico4,096
  8. 8🇨🇳 China3,072

Top Source Countries

  1. 1🇨🇦 Canada1.1M
  2. 2🇸🇬 Singapore788K
  3. 3🇮🇩 Indonesia262K
  4. 4🇺🇸 United States187K
  5. 5🇭🇰 Hong Kong SAR China133K
  6. 6🇮🇳 India4,096
  7. 7🇳🇿 New Zealand4,096

IPv4 transferred across country borders in March 2016. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.

Largest IPv4 Transfers March 2016