IPv4 Transfers 2013

In 2013, the five Regional Internet Registries recorded 396 transfers that moved 9,468,416 IPv4 addresses in 389 blocks, 17 of them between two registries. Figures come from the RIRs' official transfer logs and include mergers and acquisitions.

IPv4 addresses transferred
9.5M
389 IPv4 blocks
Registry transfers
396
0 IPv6 / 7 ASN
Inter-RIR transfers
17
543K IPv4 addresses (6%)
Mergers and acquisitions
0
396 market transfers

Monthly Transfer Volume 2013 by receiving RIR

IPv4 transfers per month in 2013
MonthTransfersIPv4 addresses
December 201344335,872
November 2013443,096,832
October 201339548,864
September 201325153,344
August 201334312,832
July 201318513,024
June 2013601,389,312
May 201340805,376
April 201321352,256
March 201316179,712
February 2013201,030,400
January 201335750,592

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, 2013
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN375,128,448-542,720
APNIC1882,362,624542,720-
RIPE NCC1711,977,344--

Inter-RIR Transfers 2013

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
ARIN0-
543K
17 transfers
00
APNIC00-00
LACNIC000-0
AFRINIC0000-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, 2013
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/121,048,57630.8%3,145,728
/13524,28820.5%1,048,576
/14262,14441.0%1,048,576
/15131,07271.8%917,504
/1665,536205.1%1,310,720
/1732,768215.4%688,128
/1816,384287.2%458,752
/198,1924511.6%368,640
/204,0966617.0%270,336
/212,0485614.4%114,688
/221,0247519.3%76,800
/23512164.1%8,192
/242564611.8%11,776

Top Receiving Countries

  1. 1🇭🇰 Hong Kong SAR China272K
  2. 2🇸🇬 Singapore236K
  3. 3🇮🇳 India135K
  4. 4🇰🇾 Cayman Islands131K
  5. 5🇨🇳 China131K
  6. 6🇯🇵 Japan115K
  7. 7🇲🇾 Malaysia33K
  8. 8🇺🇸 United States6,144
  9. 9🇵🇭 Philippines4,096
  10. 10🇦🇺 Australia1,024

Top Source Countries

  1. 1🇺🇸 United States333K
  2. 2🇭🇰 Hong Kong SAR China229K
  3. 3🇨🇦 Canada131K
  4. 4🇦🇺 Australia70K
  5. 5🇸🇬 Singapore67K
  6. 6🇳🇿 New Zealand17K
  7. 7🇰🇳 St. Kitts & Nevis6,144
  8. 8🇹🇼 Taiwan1,024
  9. 9🇮🇩 Indonesia1,024

IPv4 transferred across country borders in 2013. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.

Largest IPv4 Transfers 2013