IPv4 Transfers May 2011

In May 2011, the five Regional Internet Registries recorded 9 transfers: 17,920 IPv4 addresses in 9 blocks, plus 0 IPv6 blocks and 0 AS numbers. 0 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
18K
9 IPv4 blocks
Registry transfers
9
0 IPv6 / 0 ASN
Inter-RIR transfers
0
0 IPv4 addresses (0%)
Mergers and acquisitions
0
9 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 2011
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
APNIC717,408--
ARIN2512--

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, May 2011
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/204,096222.2%8,192
/212,048444.4%8,192
/221,024111.1%1,024
/24256222.2%512

Top Receiving Countries

  1. 1🇲🇲 Myanmar (Burma)1,024
  2. 2🇺🇸 United States512

Top Source Countries

  1. 1🇲🇾 Malaysia1,024
  2. 2🇰🇳 St. Kitts & Nevis512

IPv4 transferred across country borders in May 2011. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.

Largest IPv4 Transfers May 2011