IPv4 market trends

Prices from IPv4.Global prior sales, last fetched 12 Oct 2026, 12:16 UTC.

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WorkUP Inc.

JP. Active in the transfer logs from 21 Jan 2013 to 28 May 2026 in this period.

18.4Kaddresses bought in 3 transfers
0addresses sold in 0 transfers
+18.4Knet change in address space

3 transfers

Every range this organisation was on either side of, newest first, including mergers and acquisitions. Addresses are the size of the range; a block is shown when the range is one CIDR prefix.

DateRangeBlockAddressesSideCounterpartyRegistriesKind
28 May 2026 103.244.44.0 – 103.244.47.255 /22 1K Bought Rebyc Inc. (JP) APNIC Market transfer
1 Dec 2015 103.15.184.0 – 103.15.187.255 /22 1K Bought MARKET SOUTH LIMITED (ZZ) APNIC Market transfer
21 Jan 2013 157.250.64.0 – 157.250.127.255 /18 16.4K Bought AMI-7 (ZZ) ARIN → APNIC Market transfer