IPv4 Transfers March 2013

In March 2013, the five Regional Internet Registries recorded 16 transfers: 179,712 IPv4 addresses in 13 blocks, plus 0 IPv6 blocks and 3 AS numbers. 0 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
180K
13 IPv4 blocks
Registry transfers
16
0 IPv6 / 3 ASN
Inter-RIR transfers
0
0 IPv4 addresses (0%)
Mergers and acquisitions
0
16 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 2013
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
APNIC8100,864--
RIPE NCC375,776--
ARIN53,072--

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, March 2013
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/1665,536215.4%131,072
/1816,38417.7%16,384
/198,192215.4%16,384
/204,096215.4%8,192
/212,048215.4%4,096
/221,024323.1%3,072
/2351217.7%512

Top Receiving Countries

  1. 1🇸🇬 Singapore66K
  2. 2🇺🇸 United States2,048

Top Source Countries

  1. 1🇭🇰 Hong Kong SAR China66K
  2. 2🇰🇳 St. Kitts & Nevis2,048

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

Largest IPv4 Transfers March 2013