Timeline (2)
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.
2018-01-22
ARIN
− Remove No substantive resource change found Strong inference
ARIN-Issued Remove 172.83.206.0-172.83.207.255
Inventory No effect on ARIN applicant inventory
ARIN-Issued lists it as "Remove", but ARIN's statistics show the same record before and after (reserved).
Evidence (3) · classifier 1.4.0, 2026-10-13 23:52 UTC
ARIN-Issued
ARIN-Issued report for 2018-01-22: "Remove 172.83.206.0-172.83.207.255"
source · retrieved 2026-10-12 18:39 UTC
Before
ARIN delegated statistics 2018-01-21 (produced 2018-01-21T06:09:21+00:00), before the report: reserved
source · retrieved 2026-10-12 21:40 UTC
After
ARIN delegated statistics 2018-01-23 (produced 2018-01-23T06:09:13+00:00), after the report: reserved
source · retrieved 2026-10-12 21:40 UTC
Classification history for this change (4 versions)
2026-10-13 03:40 UTC : No substantive resource change found, strong inference (classifier 1.3.0)2026-10-13 08:06 UTC : No substantive resource change found, strong inference (classifier 1.3.1)2026-10-13 14:48 UTC : No substantive resource change found, strong inference (classifier 1.3.2)2026-10-13 23:52 UTC : No substantive resource change found, strong inference (classifier 1.4.0) current
2018-01-15
ARIN
− Remove No substantive resource change found Strong inference
ARIN-Issued Remove 172.83.206.0-172.83.207.255
Inventory No effect on ARIN applicant inventory
ARIN-Issued lists it as "Remove", but ARIN's statistics show the same record before and after (reserved).
Evidence (3) · classifier 1.4.0, 2026-10-13 23:52 UTC
ARIN-Issued
ARIN-Issued report for 2018-01-15: "Remove 172.83.206.0-172.83.207.255"
source · retrieved 2026-10-12 18:39 UTC
Before
ARIN delegated statistics 2018-01-14 (produced 2018-01-14T06:10:46+00:00), before the report: reserved
source · retrieved 2026-10-12 21:40 UTC
After
ARIN delegated statistics 2018-01-16 (produced 2018-01-16T06:09:57+00:00), after the report: reserved
source · retrieved 2026-10-12 21:40 UTC
Classification history for this change (4 versions)
2026-10-13 03:40 UTC : No substantive resource change found, strong inference (classifier 1.3.0)2026-10-13 08:06 UTC : No substantive resource change found, strong inference (classifier 1.3.1)2026-10-13 14:48 UTC : No substantive resource change found, strong inference (classifier 1.3.2)2026-10-13 23:52 UTC : No substantive resource change found, strong inference (classifier 1.4.0) current
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.