IPv4 Transfers January 2013

In January 2013, the five Regional Internet Registries recorded 35 transfers: 750,592 IPv4 addresses in 35 blocks, plus 0 IPv6 blocks and 0 AS numbers. 2 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
751K
35 IPv4 blocks
Registry transfers
35
0 IPv6 / 0 ASN
Inter-RIR transfers
2
33K IPv4 addresses (4%)
Mergers and acquisitions
0
35 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, January 2013
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
APNIC22634,88032,768-
ARIN273,728-32,768
RIPE NCC1141,984--

Inter-RIR Transfers January 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-
33K
2 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, January 2013
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/14262,14425.7%524,288
/1665,53625.7%131,072
/1816,38438.6%49,152
/198,19238.6%24,576
/204,09625.7%8,192
/212,04825.7%4,096
/221,024514.3%5,120
/242561645.7%4,096

Top Receiving Countries

  1. 1🇯🇵 Japan16K
  2. 2🇸🇬 Singapore16K

Top Source Countries

No cross-border IPv4 transfers in this period.

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

Largest IPv4 Transfers January 2013