rirtracker

IPv4 range · 65,536 addresses

151.192.0.0/16

Now

APNIC statistics
Allocated (dated 1991-09-23) (SG), in the latest file
Registry
APNIC
Holder
SingNet Private Limited (SINGNET-SG)
From
APNIC's latest statistics and the latest transfer record

Latest change

Not in ARIN-Issued Inter-RIR transfer out of ARIN

Reported
2019-09-03 (ARIN)
Confidence
Confirmed
Inventory
Transferred out of ARIN administration; not offered to ARIN applicants

Timeline (3)

Every change the tracker has found, newest first. It covers ARIN from 2008-12-01, the RIPE NCC from 2010-04-23, APNIC from 2008-02-15, LACNIC from 2012-06-29 and AFRINIC from 2012-10-03.

2019-09-03 ARIN Not in ARIN-Issued Inter-RIR transfer out of ARIN Confirmed
From
Microchip Technology Inc. ARIN
To
SingNet Private Limited (SINGNET-SG) APNIC
Same transfer
APNIC recorded it too: APNIC, 2019-09-03.
Inventory
Transferred out of ARIN administration; not offered to ARIN applicants

ARIN's transfer log records a transfer from Microchip Technology Inc. (ARIN) to SingNet Private Limited (SINGNET-SG) (APNIC) on 2019-09-03 14:30 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants.

Evidence (4) · classifier 1.4.0,
  1. Statistics Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 151.192.0.0/16 assigned on 2019-09-03, not listed on 2019-09-04 source · retrieved
  2. Transfer log Transfer log: RESOURCE_TRANSFER on 2019-09-03 14:30 UTC, Microchip Technology Inc. (ARIN) to SingNet Private Limited (SINGNET-SG) (APNIC); resources moved: 151.192.0.0/16 source · retrieved
  3. Before ARIN delegated statistics 2019-09-02 (produced 2019-09-02T14:00:16+00:00), before the report: assigned (dated 1991-09-23) source · retrieved
  4. After ARIN delegated statistics 2019-09-04 (produced 2019-09-04T14:00:17+00:00), after the report: not listed source · retrieved
Classification history for this change (4 versions)
  1. : Inter-RIR transfer out of ARIN, confirmed (classifier 1.3.0)
  2. : Inter-RIR transfer out of ARIN, confirmed (classifier 1.3.1)
  3. : Inter-RIR transfer out of ARIN, confirmed (classifier 1.3.2)
  4. : Inter-RIR transfer out of ARIN, confirmed (classifier 1.4.0) current
2019-09-03 APNIC Transfer log Inter-RIR transfer into APNIC Confirmed
Transfer log
Transfer: MICROC-Z (ARIN) to SingNet Pte Ltd (APNIC)
From
MICROC-Z ARIN
To
SingNet Pte Ltd APNIC
Same transfer
Also a change at ARIN, the sending registry: ARIN, 2019-09-03. Lists that cover every registry show it there.
Inventory
Transferred into APNIC administration; not a new issuance

APNIC's transfer log records a transfer from MICROC-Z (ARIN) to SingNet Pte Ltd (APNIC) on 2019-09-03 03:55 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance.

Evidence (3) · classifier 1.4.0,
  1. Transfer log Transfer log: RESOURCE_TRANSFER on 2019-09-03 03:55 UTC, MICROC-Z (ARIN) to SingNet Pte Ltd (APNIC); resources moved: 151.192.0.0/16 source · retrieved
  2. Before APNIC delegated statistics 2019-09-03, before the change: not listed source · retrieved
  3. After APNIC delegated statistics 2019-09-04, after the change: allocated (dated 1991-09-23) source · retrieved
Classification history for this change (4 versions)
  1. : Inter-RIR transfer into APNIC, confirmed (classifier 1.3.0)
  2. : Inter-RIR transfer into APNIC, confirmed (classifier 1.3.1)
  3. : Inter-RIR transfer into APNIC, confirmed (classifier 1.3.2)
  4. : Inter-RIR transfer into APNIC, confirmed (classifier 1.4.0) current
2019-03-27 ARIN Transfer log Merger/acquisition or reorganization Confirmed
Transfer log
Merger/acquisition: Sierra Semiconductor (ARIN) to Microchip Technology Inc. (ARIN)
From
Sierra Semiconductor ARIN
To
Microchip Technology Inc. ARIN
Inventory
No effect on ARIN applicant inventory

ARIN's transfer log records a merger, acquisition or reorganization from Sierra Semiconductor (ARIN) to Microchip Technology Inc. (ARIN) on 2019-03-27 10:24 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.

Evidence (3) · classifier 1.4.0,
  1. Transfer log Transfer log: MERGER_ACQUISITION on 2019-03-27 10:24 UTC, Sierra Semiconductor (ARIN) to Microchip Technology Inc. (ARIN); resources moved: 151.192.0.0/16 source · retrieved
  2. Before ARIN delegated statistics 2019-03-26 (produced 2019-03-26T05:00:17+00:00), before the report: assigned (dated 1991-09-23) source · retrieved
  3. After ARIN delegated statistics 2019-03-28 (produced 2019-03-28T05:00:13+00:00), after the report: assigned (dated 1991-09-23) source · retrieved

Transfer records (3)

Date (UTC)LogTypeRange movedFromTo
ARINResource transfer151.192.0.0/16 Microchip Technology Inc. ARINSingNet Private Limited (SINGNET-SG) APNIC
APNICResource transfer151.192.0.0/16 MICROC-Z ARINSingNet Pte Ltd APNIC
ARINMerger acquisition151.192.0.0/16 Sierra Semiconductor ARINMicrochip Technology Inc. ARIN

Every record in the ARIN, RIPE NCC, APNIC, LACNIC and AFRINIC transfer logs that moved any part of this IPv4 range (ARIN's from 2009, the RIPE NCC's from 2012, APNIC's from 2010, LACNIC's from 2016, AFRINIC's from 2018). A transfer between two registries is in both logs.

RDAP lookups

Not looked up. The tracker queries RDAP for changes as they're reported (on first sight, after 24 hours and after seven days); older changes aren't looked up because today's RDAP says nothing about the past.

This page as data: ip/151.192.0.0-151.192.255.255.json