IPv4 Transfers April 2013

In April 2013, the five Regional Internet Registries recorded 21 transfers: 352,256 IPv4 addresses in 21 blocks, plus 0 IPv6 blocks and 0 AS numbers. 3 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
352K
21 IPv4 blocks
Registry transfers
21
0 IPv6 / 0 ASN
Inter-RIR transfers
3
164K IPv4 addresses (47%)
Mergers and acquisitions
0
21 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, April 2013
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
APNIC14262,144164,352-
RIPE NCC790,112--
ARIN00-164,352

Inter-RIR Transfers April 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-
164K
3 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, April 2013
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/15131,07214.8%131,072
/1732,768419.0%131,072
/1816,38429.5%32,768
/198,192419.0%32,768
/204,096419.0%16,384
/212,048314.3%6,144
/221,02414.8%1,024
/2351229.5%1,024

Top Receiving Countries

  1. 1🇨🇳 China131K
  2. 2🇯🇵 Japan33K
  3. 3🇮🇳 India512

Top Source Countries

No cross-border IPv4 transfers in this period.

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

Largest IPv4 Transfers April 2013