IPv4 Transfers May 2013

In May 2013, the five Regional Internet Registries recorded 40 transfers: 805,376 IPv4 addresses in 39 blocks, plus 0 IPv6 blocks and 1 AS numbers. 3 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
805K
39 IPv4 blocks
Registry transfers
40
0 IPv6 / 1 ASN
Inter-RIR transfers
3
198K IPv4 addresses (25%)
Mergers and acquisitions
0
40 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, May 2013
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
APNIC15410,112197,632-
RIPE NCC23394,240--
ARIN21,024-197,632

Inter-RIR Transfers May 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-
198K
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, May 2013
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/15131,07237.7%393,216
/1665,536410.3%262,144
/1732,76825.1%65,536
/1816,38412.6%16,384
/198,192410.3%32,768
/204,09637.7%12,288
/212,048410.3%8,192
/221,0241333.3%13,312
/2351212.6%512
/24256410.3%1,024

Top Receiving Countries

  1. 1🇭🇰 Hong Kong SAR China197K
  2. 2🇸🇬 Singapore66K
  3. 3🇲🇳 Mongolia256
  4. 4🇳🇿 New Zealand256

Top Source Countries

  1. 1🇺🇸 United States197K
  2. 2🇭🇰 Hong Kong SAR China66K
  3. 3🇲🇳 Mongolia256
  4. 4🇳🇿 New Zealand256

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

Largest IPv4 Transfers May 2013