IPv4 Transfers September 2018

In September 2018, the five Regional Internet Registries recorded 1,319 transfers: 46,964,736 IPv4 addresses in 1,089 blocks, plus 106 IPv6 blocks and 124 AS numbers. 20 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred
47.0M
1,089 IPv4 blocks
Registry transfers
1,319
106 IPv6 / 124 ASN
Inter-RIR transfers
20
91K IPv4 addresses (0%)
Mergers and acquisitions
820
499 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, September 2018
RegistryTransfersIPv4 receivedInter-RIR inInter-RIR out
ARIN81245,552,8964,09678,336
RIPE NCC433668,41635,32812,288
APNIC63586,49651,200-
AFRINIC11156,928--

Inter-RIR Transfers September 2018

IPv4 addresses moved from one registry to another. All inter-RIR transfers

IPv4 addresses transferred between Regional Internet Registries
From โ†“ / To โ†’RIPE NCCARINAPNICLACNICAFRINIC
RIPE NCC-
4,096
1 transfers
8,192
1 transfers
00
ARIN
35K
3 transfers
-
43K
15 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, September 2018
Prefix lengthAddresses per blockBlocksShare of blocksIPv4 addresses
/98,388,60810.1%8,388,608
/104,194,30420.2%8,388,608
/112,097,15230.3%6,291,456
/121,048,57680.7%8,388,608
/13524,28820.2%1,048,576
/14262,14480.7%2,097,152
/15131,072121.1%1,572,864
/1665,5361029.4%6,684,672
/1732,768322.9%1,048,576
/1816,384635.8%1,032,192
/198,19211310.4%925,696
/204,09614813.6%606,208
/212,048948.6%192,512
/221,02418416.9%188,416
/2351211510.6%58,880
/2425620218.5%51,712

IPv4 transferred across country borders in September 2018. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.

Largest IPv4 Transfers September 2018