Big Sky Infra

Daily ASN & IP change monitoring

We track and publish daily diffs of global ASN and IP block assignments from official RIR feeds. Get clear, machine-readable updates on what changed and when across AFRINIC, APNIC, ARIN, LACNIC, and RIPE.

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ASN, IPv4 & IPv6 Diff 2025-06-06 UTC

AFRINIC

No ASN changes for AFRINIC at this time.

No IPv4 changes for AFRINIC at this time.

No IPv6 changes for AFRINIC at this time.

APNIC

+ ASN 153949 (no previous record)
  - CC:     IN
  - RegID:  A918EDB2
  - Status: allocated
  - Date:   2025-06-05
  - Value:  3
+ ASN 153952 (no previous record)
  - CC:     HK
  - RegID:  A91E8432
  - Status: allocated
  - Date:   2025-06-05
  - Value:  1
+ ASN 153953 (no previous record)
  - CC:     (empty)
  - RegID:  (empty)
  - Status: available
  - Date:   (empty)
  - Value:  2009
- ASN 136441
  - CC:     PH
  - RegID:  A9177157
  - Status: allocated
  - Date:   2017-03-16
  - Value:  1
* ASN 133520
  - CC:     (empty) → ID
  - RegID:  (empty) → A9186214
  - Status: available → allocated
  - Date:   (empty) → 2025-06-05
* ASN 136440
  - Value:  1 → 2
* ASN 150811
  - CC:     (empty) → BD
  - RegID:  (empty) → A918FE4B
  - Status: available → allocated
  - Date:   (empty) → 2023-01-05
* ASN 153948
  - CC:     (empty) → BD
  - RegID:  (empty) → A9134FAF
  - Status: available → allocated
  - Date:   (empty) → 2025-06-04
  - Value:  2014 → 1

No IPv4 changes for APNIC at this time.

No IPv6 changes for APNIC at this time.

ARIN

+ ASN 401751 (no previous record)
  - CC:     US
  - RegID:  f8749cf1aa675d25f66cc479cb72e197
  - Status: assigned
  - Date:   2025-06-05
  - Value:  1
+ ASN 401752 (no previous record)
  - CC:     (empty)
  - RegID:  (empty)
  - Status: available
  - Date:   (empty)
  - Value:  579
* ASN 14447
  - CC:     US → (empty)
  - RegID:  daf6fe572d81deff339b22abc7bf0635 → (empty)
  - Status: assigned → reserved
  - Date:   2007-07-17 → (empty)
* ASN 396968
  - CC:     US → (empty)
  - RegID:  9b47ffe7f2d0dac78c3a8b2b8d0c0e87 → (empty)
  - Status: assigned → reserved
  - Date:   2018-07-20 → (empty)
* ASN 398315
  - CC:     (empty) → US
  - RegID:  (empty) → 8847abf97eed591dada2afe488201c27
  - Status: available → assigned
  - Date:   (empty) → 2025-06-04
* ASN 399373
  - CC:     (empty) → US
  - RegID:  (empty) → 4f180d333a6a8692575dbe43441d8880
  - Status: available → assigned
  - Date:   (empty) → 2025-06-04
* ASN 399587
  - CC:     (empty) → US
  - RegID:  (empty) → 3e16e3a688576c4bf8ef7f828fe957fd
  - Status: available → assigned
  - Date:   (empty) → 2025-06-04
* ASN 400641
  - CC:     (empty) → US
  - RegID:  (empty) → b41fc88acac8bb869ef91a2840625a02
  - Status: available → assigned
  - Date:   (empty) → 2025-06-04
* ASN 401039
  - CC:     (empty) → US
  - RegID:  (empty) → 925ef5c84f8ef6d9fd8ad33f5a5016a0
  - Status: available → assigned
  - Date:   (empty) → 2025-06-05
* ASN 401205
  - CC:     (empty) → US
  - RegID:  (empty) → c56dd54e68ada0f6cd040b03ba1065ce
  - Status: available → assigned
  - Date:   (empty) → 2025-06-05
* ASN 401750
  - CC:     (empty) → US
  - RegID:  (empty) → 51d4be4d189595d42e6cf57ef9d48b69
  - Status: available → assigned
  - Date:   (empty) → 2025-06-05
  - Value:  581 → 1

No IPv4 changes for ARIN at this time.

No IPv6 changes for ARIN at this time.

LACNIC

No ASN changes for LACNIC at this time.

No IPv4 changes for LACNIC at this time.

No IPv6 changes for LACNIC at this time.

RIPENCC

* ASN 207299
  - CC:     (empty) → CN
  - Status: available → allocated
  - Date:   (empty) → 2025-06-05
* ASN 207328
  - CC:     (empty) → GB
  - Status: available → allocated
  - Date:   (empty) → 2025-06-05
* ASN 207342
  - CC:     (empty) → IT
  - Status: available → allocated
  - Date:   (empty) → 2025-06-05
* ASN 207343
  - CC:     (empty) → GB
  - Status: available → allocated
  - Date:   (empty) → 2025-06-05
* ASN 207344
  - CC:     (empty) → TW
  - Status: available → allocated
  - Date:   (empty) → 2025-06-05
* ASN 207345
  - CC:     (empty) → FR
  - Status: available → allocated
  - Date:   (empty) → 2025-06-05
* ASN 207350
  - CC:     (empty) → IR
  - Status: available → allocated
  - Date:   (empty) → 2025-06-05
* ASN 207358
  - CC:     (empty) → FR
  - Status: available → allocated
  - Date:   (empty) → 2025-06-05
* ASN 207480
  - CC:     (empty) → FR
  - Status: available → allocated
  - Date:   (empty) → 2025-06-05
* ASN 213755
  - CC:     (empty) → GB
  - Status: available → allocated
  - Date:   (empty) → 2025-06-05
* ASN 41396
  - CC:     CH → (empty)
  - Status: allocated → reserved
  - Date:   2006-08-09 → (empty)
* ASN 216397
  - CC:     HK → (empty)
  - Status: allocated → reserved
  - Date:   2023-08-28 → (empty)

No IPv4 changes for RIPENCC at this time.

No IPv6 changes for RIPENCC at this time.