ASN

AS12537

Now

RIPE NCC statistics: Available, in the latest file
Registry: RIPE NCC
Holder: None: it's in the registry's own pool
From: The RIPE NCC's latest statistics

Latest change

Released Released from hold (the RIPE NCC lists it as 'available')

Reported: 2015-11-25 (RIPE NCC)
Confidence: Strong inference
Inventory: The RIPE NCC's statistics now list it as 'available'; reissue not confirmed

Hold

Removed: 2012-09-26 (RIPE NCC)
Estimated hold end: Not estimated: the RIPE NCC's current hold applies to removals from 2014-03-26 on, and this one came earlier
Released from hold: 2015-11-25
Now: Possible reissue candidate; not confirmed available.

Timeline (4)

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.

2015-11-25 RIPE NCC Released Released from hold (the RIPE NCC lists it as 'available') Strong inference

Statistics: AS12537 reserved on 2015-11-24, available on 2015-11-25
Inventory: The RIPE NCC's statistics now list it as 'available'; reissue not confirmed

The RIPE NCC's statistics show it reserved on 2015-11-24 and available on 2015-11-25. The RIPE NCC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2012-09-26, 1155 days earlier. That is the RIPE NCC's own label: whether and when it is reissued is not confirmed.

Evidence (3) · classifier 1.4.0, 2026-10-14 00:00 UTC

Statistics Found by comparing the RIPE NCC's daily statistics: AS12537 reserved on 2015-11-24, available on 2015-11-25 source · retrieved 2026-10-12 20:44 UTC
Before RIPE NCC delegated statistics 2015-11-24 (produced 2015-11-24T22:59:59+00:00), before the change: reserved source · retrieved 2026-10-12 20:44 UTC
After RIPE NCC delegated statistics 2015-11-25 (produced 2015-11-25T22:59:59+00:00), after the change: available source · retrieved 2026-10-12 20:44 UTC

Classification history for this change (4 versions)

2026-10-13 04:53 UTC: Released from hold (the RIPE NCC lists it as 'available'), strong inference (classifier 1.3.0)
2026-10-13 08:13 UTC: Released from hold (the RIPE NCC lists it as 'available'), strong inference (classifier 1.3.1)
2026-10-13 14:56 UTC: Released from hold (the RIPE NCC lists it as 'available'), strong inference (classifier 1.3.2)
2026-10-14 00:00 UTC: Released from hold (the RIPE NCC lists it as 'available'), strong inference (classifier 1.4.0) current

2012-09-26 RIPE NCC − Deregistered Removed (return, revocation or reclamation not publicly distinguishable) Strong inference

Statistics: AS12537 allocated on 2012-09-25, reserved on 2012-09-26
Inventory: Possible future reissue candidate after hold

Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2011-06-09) on 2012-09-25 and reserved on 2012-09-26. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for ASNs applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability.

Evidence (3) · classifier 1.4.0, 2026-10-13 23:56 UTC

Statistics Found by comparing the RIPE NCC's daily statistics: AS12537 allocated on 2012-09-25, reserved on 2012-09-26 source · retrieved 2026-10-12 19:23 UTC
Before RIPE NCC delegated statistics 2012-09-25 (produced 2012-09-25T21:59:59+00:00), before the change: allocated (dated 2011-06-09) source · retrieved 2026-10-12 19:23 UTC
After RIPE NCC delegated statistics 2012-09-26 (produced 2012-09-26T21:59:59+00:00), after the change: reserved source · retrieved 2026-10-12 19:23 UTC

Classification history for this change (4 versions)

2026-10-13 04:21 UTC: Removed (return, revocation or reclamation not publicly distinguishable), strong inference (classifier 1.3.0)
2026-10-13 08:09 UTC: Removed (return, revocation or reclamation not publicly distinguishable), strong inference (classifier 1.3.1)
2026-10-13 14:52 UTC: Removed (return, revocation or reclamation not publicly distinguishable), strong inference (classifier 1.3.2)
2026-10-13 23:56 UTC: Removed (return, revocation or reclamation not publicly distinguishable), strong inference (classifier 1.4.0) current

2011-06-09 RIPE NCC + Registered Apparent reissuance of previously removed resource Strong inference

Statistics: AS12537 reserved on 2011-06-08, allocated on 2011-06-09
Inventory: Likely issued from RIPE NCC-controlled inventory

No transfer record matches. The RIPE NCC's statistics show it reserved on 2011-06-08 and allocated (dated 2011-06-09) on 2011-06-09. The tracker saw this range removed from registration on 2010-12-17 (AS12537), so it appears to have been issued again from the RIPE NCC's pool.

Evidence (3) · classifier 1.4.0, 2026-10-13 23:55 UTC

Statistics Found by comparing the RIPE NCC's daily statistics: AS12537 reserved on 2011-06-08, allocated on 2011-06-09 source · retrieved 2026-10-12 18:58 UTC
Before RIPE NCC delegated statistics 2011-06-08 (produced 2011-06-08T21:59:59+00:00), before the change: reserved source · retrieved 2026-10-12 18:58 UTC
After RIPE NCC delegated statistics 2011-06-09 (produced 2011-06-09T21:59:59+00:00), after the change: allocated (dated 2011-06-09) source · retrieved 2026-10-12 18:58 UTC

Classification history for this change (4 versions)

2026-10-13 04:13 UTC: Apparent reissuance of previously removed resource, strong inference (classifier 1.3.0)
2026-10-13 08:08 UTC: Apparent reissuance of previously removed resource, strong inference (classifier 1.3.1)
2026-10-13 14:51 UTC: Apparent reissuance of previously removed resource, strong inference (classifier 1.3.2)
2026-10-13 23:55 UTC: Apparent reissuance of previously removed resource, strong inference (classifier 1.4.0) current

2010-12-17 RIPE NCC − Deregistered Removed (return, revocation or reclamation not publicly distinguishable) Strong inference

Statistics: AS12537 allocated on 2010-12-16, available on 2010-12-17
Inventory: Possible future reissue candidate after hold

Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2009-10-07) on 2010-12-16 and available on 2010-12-17. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for ASNs applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability.

Evidence (3) · classifier 1.4.0, 2026-10-13 23:55 UTC

Statistics Found by comparing the RIPE NCC's daily statistics: AS12537 allocated on 2010-12-16, available on 2010-12-17 source · retrieved 2026-10-12 18:49 UTC
Before RIPE NCC delegated statistics 2010-12-16, before the change: allocated (dated 2009-10-07) source · retrieved 2026-10-12 18:49 UTC
After RIPE NCC delegated statistics 2010-12-17, after the change: available source · retrieved 2026-10-12 18:49 UTC

Classification history for this change (4 versions)

2026-10-13 04:10 UTC: Removed (return, revocation or reclamation not publicly distinguishable), strong inference (classifier 1.3.0)
2026-10-13 08:08 UTC: Removed (return, revocation or reclamation not publicly distinguishable), strong inference (classifier 1.3.1)
2026-10-13 14:51 UTC: Removed (return, revocation or reclamation not publicly distinguishable), strong inference (classifier 1.3.2)
2026-10-13 23:55 UTC: Removed (return, revocation or reclamation not publicly distinguishable), strong inference (classifier 1.4.0) current

Transfer records

No transfer log has a transfer of any part of this ASN.

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: asn/12537.json