IPv4 range · 512 addresses

175.103.178.0/23

Now

APNIC statistics: Allocated (dated 2010-01-04) (JP), in the latest file
Registry: APNIC
Holder: Japan Network Information Center/ocn
From: APNIC's latest statistics and the latest transfer record

Latest change

Transfer log Intra-APNIC transfer

Reported: 2016-02-18 (APNIC)
Confidence: Confirmed
Inventory: No effect on APNIC applicant inventory

Timeline (1)

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.

2016-02-18 APNIC Transfer log Intra-APNIC transfer Confirmed

Transfer log: Transfer: Japan Network Information Center/fbdc (APNIC) to Japan Network Information Center/ocn (APNIC)
From: Japan Network Information Center/fbdc APNIC
To: Japan Network Information Center/ocn APNIC
Inventory: No effect on APNIC applicant inventory

APNIC's transfer log records a transfer from Japan Network Information Center/fbdc (APNIC) to Japan Network Information Center/ocn (APNIC) on 2016-02-17 15:03 UTC. The registration changed hands; it is not a new allocation from APNIC.

Evidence (3) · classifier 1.4.0, 2026-10-13 23:46 UTC

Transfer log Transfer log: RESOURCE_TRANSFER on 2016-02-17 15:03 UTC, Japan Network Information Center/fbdc (APNIC) to Japan Network Information Center/ocn (APNIC); resources moved: 175.103.166.0/23, 175.103.174.0/23, 175.103.178.0/23, 175.103.192.0/20, 175.103.208.0/21, 180.131.64.0/21, 180.131.72.0/22, 180.131.83.0/24, 180.131.84.0/22, 180.131.88.0/21, 183.181.122.0/23, 183.181.124.0/22, 220.150.18.0/24, 220.150.36.0/23, 220.150.38.0/24, 220.150.40.0/22, 220.150.44.0/23, 220.150.46.0/24, 220.150.65.0/24, 220.150.80.0/23, 220.150.82.0/24, 220.150.86.0/23, 220.150.88.0/24, 220.150.195.0/24, 220.150.196.0/24, 220.150.200.0/24, 220.150.205.0/24, 220.150.206.0/23, 220.150.218.0/23, 220.150.220.0/23, 220.150.222.0/24 source · retrieved 2026-10-13 18:17 UTC
Before APNIC delegated statistics 2016-02-18, before the change: allocated (dated 2010-01-04) source · retrieved 2026-10-12 21:33 UTC
After APNIC delegated statistics 2016-02-19, after the change: allocated (dated 2010-01-04) source · retrieved 2026-10-12 21:33 UTC

Classification history for this change (4 versions)

2026-10-13 02:34 UTC: Intra-APNIC transfer, confirmed (classifier 1.3.0)
2026-10-13 08:01 UTC: Intra-APNIC transfer, confirmed (classifier 1.3.1)
2026-10-13 14:43 UTC: Intra-APNIC transfer, confirmed (classifier 1.3.2)
2026-10-13 23:46 UTC: Intra-APNIC transfer, confirmed (classifier 1.4.0) current

Changes to overlapping ranges

Date	Registry	Range	Recorded as	What happened
2010-01-04	APNIC	175.103.128.0/17	+ Registered	Unresolved

Date

Registry

Range

Recorded as

What happened

2010-01-04

APNIC

175.103.128.0/17

+ Registered

Unresolved

Transfer records (1)

Date (UTC)	Log	Type	Range moved	From	To
2016-02-17 15:03 UTC	APNIC	Resource transfer	175.103.178.0/23	Japan Network Information Center/fbdc APNIC	Japan Network Information Center/ocn APNIC

Date (UTC)

Log

Type

Range moved

From

2016-02-17 15:03 UTC

APNIC

Resource transfer

175.103.178.0/23

Japan Network Information Center/fbdc APNIC

Japan Network Information Center/ocn APNIC

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.

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