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Blocks sold in pieces · IPv4 · 16,777,216 addresses

20.0.0.0/8

Sold in pieces

Seller
Computer Sciences Corporation
Pieces
9 since 2008-12-01, the latest on 2017-10-18
Share sold
30% (5,046,272 of 16,777,216 addresses)
Buyers
Microsoft Corporation

Now

ARIN statistics
Allocated (dated 1989-09-04), allocated (dated 2017-02-22), allocated (dated 2017-10-18), allocated (dated 2022-07-11) (US), in the latest file

The block as ARIN's statistics listed it on 2008-11-27 or the day before a piece was transferred, whichever is larger. Registries often list what's left in smaller records after a sale.

The pieces

DatePieceWhat happenedFromTo
2017-02-22 20.160.0.0/12Intra-ARIN transfer Computer Sciences Corporation ARINMicrosoft Corporation ARIN
2017-02-22 20.180.0.0 - 20.191.255.255Intra-ARIN transfer Computer Sciences Corporation ARINMicrosoft Corporation ARIN
2017-10-18 20.0.0.0/11Intra-ARIN transfer Computer Sciences Corporation ARINMicrosoft Corporation ARIN
2017-10-18 20.130.0.0/16Intra-ARIN transfer Computer Sciences Corporation ARINMicrosoft Corporation ARIN
2017-10-18 20.135.0.0 - 20.136.255.255Intra-ARIN transfer Computer Sciences Corporation ARINMicrosoft Corporation ARIN
2017-10-18 20.140.0.0/15Intra-ARIN transfer Computer Sciences Corporation ARINMicrosoft Corporation ARIN
2017-10-18 20.143.0.0 - 20.147.255.255Intra-ARIN transfer Computer Sciences Corporation ARINMicrosoft Corporation ARIN
2017-10-18 20.150.0.0 - 20.153.255.255Intra-ARIN transfer Computer Sciences Corporation ARINMicrosoft Corporation ARIN
2017-10-18 20.157.0.0 - 20.159.255.255Intra-ARIN transfer Computer Sciences Corporation ARINMicrosoft Corporation ARIN

Transfer records (38)

Date (UTC)LogTypeRange movedFromTo
ARINResource transfer20.129.0.0/16 DXC US Latin America Corporation ARINAmazon.com, Inc. ARIN
ARINResource transfer20.131.0.0/16 DXC US Latin America Corporation ARINAmazon.com, Inc. ARIN
ARINResource transfer20.142.0.0/16 DXC US Latin America Corporation ARINAmazon.com, Inc. ARIN
ARINMerger acquisition20.32.0.0/16 Computer Sciences Corporation ARINDXC US Latin America Corporation ARIN
ARINMerger acquisition20.129.0.0/16 Computer Sciences Corporation ARINDXC US Latin America Corporation ARIN
ARINMerger acquisition20.131.0.0/16 Computer Sciences Corporation ARINDXC US Latin America Corporation ARIN
ARINMerger acquisition20.132.0.0/15 Computer Sciences Corporation ARINDXC US Latin America Corporation ARIN
ARINMerger acquisition20.134.0.0/16 Computer Sciences Corporation ARINDXC US Latin America Corporation ARIN
ARINMerger acquisition20.137.0.0/16 Computer Sciences Corporation ARINDXC US Latin America Corporation ARIN
ARINMerger acquisition20.138.0.0/15 Computer Sciences Corporation ARINDXC US Latin America Corporation ARIN
ARINMerger acquisition20.142.0.0/16 Computer Sciences Corporation ARINDXC US Latin America Corporation ARIN
ARINMerger acquisition20.148.0.0/15 Computer Sciences Corporation ARINDXC US Latin America Corporation ARIN
ARINMerger acquisition20.154.0.0/15 Computer Sciences Corporation ARINDXC US Latin America Corporation ARIN
ARINMerger acquisition20.156.0.0/16 Computer Sciences Corporation ARINDXC US Latin America Corporation ARIN
ARINResource transfer20.0.0.0/11 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.33.0.0/16 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.34.0.0/15 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.36.0.0/14 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.40.0.0/13 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.48.0.0/12 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.64.0.0/10 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.128.0.0/16 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.130.0.0/16 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.135.0.0/16 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.136.0.0/16 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.140.0.0/15 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.143.0.0/16 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.144.0.0/14 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.150.0.0/15 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.152.0.0/16 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.153.0.0/16 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.157.0.0/16 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.158.0.0/15 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.176.0.0/14 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.192.0.0/10 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.160.0.0/12 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.180.0.0/14 Computer Sciences Corporation ARINMicrosoft Corporation ARIN
ARINResource transfer20.184.0.0/13 Computer Sciences Corporation ARINMicrosoft Corporation ARIN

Every record in the registries' transfer logs that moved any part of this block. A transfer between two registries is in both logs.