rirtracker

IPv4 range · 8,192 addresses

213.18.192.0/19

Now

ARIN statistics
Allocated (dated 2025-10-21) (US), in the latest file
Registry
ARIN
Holder
Montgomery County Government, Maryland
From
ARIN's latest statistics and the latest transfer record

Latest change

+ Add Inter-RIR transfer into ARIN

Reported
2025-10-21 (ARIN)
Confidence
Confirmed
Inventory
Transferred into ARIN administration; not a new issuance

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.

2025-10-21 ARIN + Add Inter-RIR transfer into ARIN Confirmed
ARIN-Issued
Add 213.18.192.0-213.18.223.255
From
RM Education Ltd RIPE NCC
To
Montgomery County Government, Maryland ARIN
Same transfer
Also a change at the RIPE NCC, the sending registry: RIPE NCC, 2025-10-21. Lists that cover every registry show it there.
Inventory
Transferred into ARIN administration; not a new issuance

ARIN's transfer log records a transfer from RM Education Ltd (RIPE NCC) to Montgomery County Government, Maryland (ARIN) on 2025-10-21 13:19 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance.

Evidence (4) · classifier 1.4.0,
  1. ARIN-Issued ARIN-Issued report for 2025-10-21: "Add 213.18.192.0-213.18.223.255" source · retrieved
  2. Transfer log Transfer log: RESOURCE_TRANSFER on 2025-10-21 13:19 UTC, RM Education Ltd (RIPE NCC) to Montgomery County Government, Maryland (ARIN); resources moved: 213.18.192.0/19 source · retrieved
  3. Before ARIN delegated statistics 2025-10-20 (produced 2025-10-20T13:00:47+00:00), before the report: not listed source · retrieved
  4. After ARIN delegated statistics 2025-10-22 (produced 2025-10-22T13:00:46+00:00), after the report: allocated (dated 2025-10-21) source · retrieved
Classification history for this change (4 versions)
  1. : Inter-RIR transfer into ARIN, confirmed (classifier 1.3.0)
  2. : Inter-RIR transfer into ARIN, confirmed (classifier 1.3.1)
  3. : Inter-RIR transfer into ARIN, confirmed (classifier 1.3.2)
  4. : Inter-RIR transfer into ARIN, confirmed (classifier 1.4.0) current
2025-10-21 RIPE NCC Transfer log Inter-RIR transfer out of the RIPE NCC Confirmed
Transfer log
Transfer: RM Education Ltd (RIPE NCC) to (no name) (ARIN)
From
RM Education Ltd RIPE NCC
To
(no name given) ARIN
Same transfer
ARIN recorded it too: ARIN, 2025-10-21.
Piece of
213.18.0.0/16: the rest of the block stayed with the seller
Inventory
Transferred out of RIPE NCC administration; not offered to RIPE NCC applicants

The RIPE NCC's transfer log records a transfer from RM Education Ltd (RIPE NCC) to an unnamed organization (ARIN) on 2025-10-21 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants.

Evidence (3) · classifier 1.4.0,
  1. Transfer log Transfer log: RESOURCE_TRANSFER on 2025-10-21 19:00 UTC, RM Education Ltd (RIPE NCC) to (no name) (ARIN); resources moved: 213.18.192.0/19 source · retrieved
  2. Before RIPE NCC delegated statistics 2025-10-20 (produced 2025-10-20T21:59:59+00:00), before the change: allocated (dated 1999-09-16) source · retrieved
  3. After RIPE NCC delegated statistics 2025-10-21 (produced 2025-10-21T21:59:59+00:00), after the change: not listed source · retrieved
Classification history for this change (4 versions)
  1. : Inter-RIR transfer out of the RIPE NCC, confirmed (classifier 1.3.0)
  2. : Inter-RIR transfer out of the RIPE NCC, confirmed (classifier 1.3.1)
  3. : Inter-RIR transfer out of the RIPE NCC, confirmed (classifier 1.3.2)
  4. : Inter-RIR transfer out of the RIPE NCC, confirmed (classifier 1.4.0) current

Transfer records (2)

Date (UTC)LogTypeRange movedFromTo
RIPE NCCResource transfer213.18.192.0/19 RM Education Ltd RIPE NCC(no name given) ARIN
ARINResource transfer213.18.192.0/19 RM Education Ltd RIPE NCCMontgomery County Government, Maryland 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/213.18.192.0-213.18.223.255.json