187.4.144.0/21 no ROA
Announced by AS8167 V.tal.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS8167 V.tal | no ROA | 44 | 244825232077388167 | 2026-09-18 | 2026-09-26 |
RPKI
No ROA covers this prefix
No ROA covers this prefix, so origin validation returns "unknown". That is not a fault; most of the table is still unsigned.
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 187.4.128.0/18
- RIR
- LACNIC
- Country
- 🇧🇷 BR
- Status
- allocated
- Allocated
- 2008-07-28
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-09-24 20:10:35Z | origin change | AS7738 → AS8167 | 20236569395232077388167 |
| 2026-09-24 18:25:20Z | origin change | AS8167 → AS7738 | 3800169395232081677738 |
| 2026-09-24 18:25:17Z | origin change | AS8167 → AS7738 | 140369395232081677738 |
| 2026-09-24 18:25:16Z | origin change | AS8167 → AS7738 | 5805769395232081677738 |
| 2026-09-24 18:25:16Z | origin change | AS7738 → AS8167 | 61218693964615232077388167 |
| 2026-09-24 18:25:16Z | origin change | AS8167 → AS7738 | 3492769395232081677738 |
| 2026-09-24 18:25:16Z | origin change | AS7738 → AS8167 | 2265269395232077388167 |
| 2026-09-24 18:25:16Z | origin change | AS7738 → AS8167 | 3492712995232077388167 |
| 2026-09-24 18:25:16Z | origin change | AS8167 → AS7738 | 6121869395232081677738 |
| 2026-09-24 18:25:16Z | origin change | AS7738 → AS8167 | 1490769395232077388167 |
| 2026-09-24 18:25:16Z | origin change | AS8167 → AS7738 | 443935805769395232081677738 |
| 2026-09-24 18:25:16Z | origin change | AS7738 → AS8167 | 4913453356642469395232077388167 |
| 2026-09-24 14:25:22Z | origin change | AS7738 → AS8167 | 20236569395232077388167 |
| 2026-09-24 10:12:08Z | origin change | AS8167 → AS7738 | 20236569395232081677738 |
| 2026-09-24 08:48:40Z | origin change | AS7738 → AS8167 | 496732048512995232077388167 |
| 2026-09-24 08:46:20Z | origin change | AS8167 → AS7738 | 496732048569395232081677738 |
| 2026-09-24 08:46:18Z | origin change | AS7738 → AS8167 | 496732048512995232077388167 |
| 2026-09-24 06:27:48Z | origin change | AS8167 → AS7738 | 496732048569395232081677738 |
| 2026-09-24 04:13:21Z | origin change | AS7738 → AS8167 | 496732048512995232077388167 |
| 2026-09-23 17:07:46Z | origin change | AS8167 → AS7738 | 20236569395232081677738 |
| 2026-09-23 16:27:19Z | origin change | AS7738 → AS8167 | 3288403277271745232077388167 |
| 2026-09-23 12:58:24Z | origin change | AS8167 → AS7738 | 20236569395232081677738 |
| 2026-09-23 10:57:50Z | origin change | AS7738 → AS8167 | 3772164535232077388167 |
| 2026-09-23 04:54:37Z | origin change | AS8167 → AS7738 | 20236569395232081677738 |
| 2026-09-23 04:45:48Z | origin change | AS7738 → AS8167 | 701812995232077388167 |
| 2026-09-22 11:38:47Z | origin change | AS8167 → AS7738 | 85269395232081677738 |
| 2026-09-22 10:41:50Z | origin change | AS7738 → AS8167 | 3288403277271745232077388167 |
| 2026-09-22 10:11:14Z | origin change | AS8167 → AS7738 | 85269395232081677738 |
| 2026-09-22 09:43:06Z | origin change | AS7738 → AS8167 | 3288403277271745232077388167 |
| 2026-09-22 06:54:53Z | origin change | AS8167 → AS7738 | 20236569395232081677738 |
| 2026-09-22 06:21:24Z | origin change | AS7738 → AS8167 | 3772164535232077388167 |
| 2026-09-22 03:54:27Z | origin change | AS8167 → AS7738 | 3800169395232081677738 |
| 2026-09-22 03:54:23Z | origin change | AS7738 → AS8167 | 3772164535232077388167 |
| 2026-09-22 03:54:09Z | origin change | AS7738 → AS8167 | 2040922076612995232077388167 |
| 2026-09-22 03:54:09Z | origin change | AS8167 → AS7738 | 20409269395232081677738 |
| 2026-09-22 03:54:09Z | origin change | AS8167 → AS7738 | 20897269395232081677738 |
| 2026-09-22 03:46:23Z | origin change | AS7738 → AS8167 | 494324836290025232077388167 |
| 2026-09-22 03:46:22Z | origin change | AS8167 → AS7738 | 3492769395232081677738 |
| 2026-09-22 03:46:20Z | origin change | AS7738 → AS8167 | 573814270864615232077388167 |
| 2026-09-22 03:46:17Z | origin change | AS8167 → AS7738 | 3772169395232081677738 |
| 2026-09-22 03:46:10Z | origin change | AS7738 → AS8167 | 2064993454964615232077388167 |
| 2026-09-22 03:46:03Z | origin change | AS8167 → AS7738 | 20409269395232081677738 |
| 2026-09-22 03:46:02Z | origin change | AS7738 → AS8167 | 295041593564615232077388167 |
| 2026-09-22 03:46:02Z | origin change | AS8167 → AS7738 | 2950469395232081677738 |
| 2026-09-22 03:46:02Z | origin change | AS8167 → AS7738 | 5805769395232081677738 |
| 2026-09-22 03:46:02Z | origin change | AS7738 → AS8167 | 5991990025232077388167 |
| 2026-09-22 03:45:22Z | origin change | AS7738 → AS8167 | 140357764615232077388167 |
| 2026-09-22 03:45:20Z | origin change | AS8167 → AS7738 | 2265269395232081677738 |
| 2026-09-22 03:45:20Z | origin change | AS8167 → AS7738 | 2265269395232081677738 |
| 2026-09-22 03:45:20Z | origin change | AS8167 → AS7738 | 140369395232081677738 |