IPv4 Transfers December 2012

In December 2012, the five Regional Internet Registries recorded 20 transfers: 225,536 IPv4 addresses in 19 blocks, plus 0 IPv6 blocks and 1 AS numbers. 7 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
226K
19 IPv4 blocks
Registry transfers
20
0 IPv6 / 1 ASN
Inter-RIR transfers
7
2,048 IPv4 addresses (1%)
Mergers and acquisitions
0
20 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, December 2012
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
APNIC18223,4882,048-
RIPE NCC12,048--
ARIN10-2,048

Inter-RIR Transfers December 2012

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-
2,048
7 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, December 2012
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/1665,536210.5%131,072
/1816,384421.1%65,536
/198,192210.5%16,384
/204,096210.5%8,192
/212,04815.3%2,048
/2351215.3%512
/24256736.8%1,792

Top Receiving Countries

  1. 1🇸🇬 Singapore66K
  2. 2🇭🇰 Hong Kong SAR China1,024
  3. 3🇦🇺 Australia256
  4. 4🇯🇵 Japan256

Top Source Countries

  1. 1🇭🇰 Hong Kong SAR China66K
  2. 2🇺🇸 United States1,536

IPv4 transferred across country borders in December 2012. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.

Largest IPv4 Transfers December 2012