2001:500:123::/48 RPKI valid MOAS
Announced by 9 different origins, which is either a deliberate multi-origin setup or a hijack.
This prefix is announced by more than one AS. Compare how many collector
peers see each origin below: a hijack is usually visible as a second
origin seen by far fewer peers than the legitimate one.
Origins
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS36625 Verisign Anycast DE 0H | RPKI valid | 12 | 34549734236625 | 2026-09-30 | 2026-10-09 |
| AS396566 Verisign Anycast NL 0L | RPKI valid | 8 | 377217342396566 | 2026-09-29 | 2026-10-09 |
| AS19836 Verisign Anycast US 2M | RPKI valid | 5 | 380019002734219836 | 2026-09-18 | 2026-10-09 |
| AS36631 Verisign Anycast US 1A | RPKI valid | 4 | 149073356734236631 | 2026-09-18 | 2026-10-09 |
| AS396546 Verisign Anycast FR 0B | RPKI valid | 1 | 2162858280676229147342396546 | 2026-10-08 | 2026-10-09 |
| AS25485 Verisign Anycast SE 0C | RPKI valid | 1 | 503041299734225485 | 2026-09-29 | 2026-10-09 |
| AS211369 Verisign Anycast FR 0E | RPKI valid | 1 | 5030032577342211369 | 2026-10-01 | 2026-10-09 |
| AS40647 Verisign Anycast NL 0C | RPKI valid | 1 | 4504966961299734240647 | 2026-09-19 | 2026-10-09 |
| AS36628 Verisign Anycast DE 0K | RPKI valid | 1 | 379896939734236628 | 2026-10-08 | 2026-10-09 |
RPKI
64 ROAs cover this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 2001:500:123::/48 | /48 | AS10515 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS19836 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS20172 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS20431 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS21313 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS22547 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS25485 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS27544 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS32651 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS36616 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS36617 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS36618 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS36619 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS36620 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS36621 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS36622 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS36623 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS36624 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS36625 | arin | authorises it |
| 2001:500:123::/48 | /48 | AS36628 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS36629 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS36630 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS36631 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS36632 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS40647 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS40717 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS211369 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396543 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396544 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396545 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396546 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396547 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396549 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396550 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396551 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396552 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396553 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396555 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396560 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396563 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396564 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396565 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396566 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396567 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396571 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396572 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396573 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396576 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396578 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396580 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396581 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396582 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396583 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396584 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396585 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396586 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396587 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396588 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396589 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396590 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396591 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396592 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396593 | arin | wrong origin |
| 2001:500:123::/48 | /48 | AS396594 | arin | wrong origin |
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 2001:500:120::/43
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 2015-04-21
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 2000::/6 v6 | AS29632 Netassist International EOOD | no ROA | 1 | 6121829632 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-09 05:43:39Z | origin change | AS19836 → AS36631 | 852325773423663136631 |
| 2026-10-09 05:43:03Z | origin change | AS36625 → AS19836 | 852325773421983619836 |
| 2026-10-08 23:27:08Z | origin change | AS19836 → AS36625 | 3454973423662536625 |
| 2026-10-08 22:34:20Z | origin change | AS36625 → AS19836 | 1403577693973421983619836 |
| 2026-10-08 22:33:49Z | origin change | AS19836 → AS36625 | 58057183673423662536625 |
| 2026-10-08 22:31:44Z | origin change | AS36625 → AS19836 | 1403577693973421983619836 |
| 2026-10-08 17:55:29Z | origin change | AS25485 → AS36625 | 612182963273423662536625 |
| 2026-10-08 14:09:59Z | origin change | AS396566 → AS25485 | 50304129973422548525485 |
| 2026-10-08 14:01:38Z | origin change | AS36625 → AS396566 | 33337342396566396566 |
| 2026-10-08 09:26:05Z | origin change | AS32651 → AS396566 | 244827342396566396566 |
| 2026-10-08 09:26:05Z | origin change | AS396566 → AS36625 | 2448273423662536625 |
| 2026-10-08 09:26:05Z | origin change | AS396566 → AS36625 | 204092340193562573423662536625 |
| 2026-10-08 09:26:05Z | origin change | AS396566 → AS36625 | 3333125773423662536625 |
| 2026-10-08 09:26:05Z | origin change | AS396567 → AS32651 | 48185335673423265132651 |
| 2026-10-08 09:26:05Z | origin change | AS36625 → AS396566 | 204092340197342396566396566 |
| 2026-10-08 09:26:05Z | origin change | AS396546 → AS396566 | 333312577342396566396566 |
| 2026-10-08 09:26:04Z | origin change | AS36625 → AS396567 | 2023655067364537342396567396567 |
| 2026-10-07 18:54:06Z | origin change | AS396566 → AS396546 | 2162858280676229147342396546396546 |
| 2026-10-07 17:53:28Z | origin change | AS36631 → AS396566 | 349273492769397342396566396566 |
| 2026-10-07 17:52:53Z | origin change | AS36625 → AS36631 | 20205693973423663136631 |
| 2026-10-07 17:51:10Z | origin change | AS396566 → AS36625 | 612182963273423662536625 |
| 2026-10-07 16:42:19Z | origin change | AS36625 → AS396566 | 377217342396566396566 |
| 2026-10-07 16:41:39Z | origin change | AS36631 → AS36625 | 3772173423662536625 |
| 2026-10-07 16:32:45Z | origin change | AS396609 → AS36631 | 14907335673423663136631 |
| 2026-10-07 16:18:29Z | origin change | AS36628 → AS396609 | 1490712997342396609396609 |
| 2026-10-07 16:09:20Z | origin change | AS396609 → AS36628 | 37989693973423662836628 |
| 2026-10-07 15:50:08Z | origin change | AS36625 → AS396609 | 1490712997342396609396609 |
| 2026-10-07 14:48:00Z | origin change | AS396609 → AS36625 | 1763973423662536625 |
| 2026-10-07 14:35:54Z | origin change | AS36631 → AS396609 | 1490712997342396609396609 |
| 2026-10-07 14:31:55Z | origin change | AS396566 → AS36631 | 14907693973423663136631 |
| 2026-10-07 13:58:21Z | origin change | AS36625 → AS396566 | 377217342396566396566 |
| 2026-10-07 13:16:31Z | origin change | AS396546 → AS36625 | 21628582806762291473423662536625 |
| 2026-10-06 19:30:13Z | origin change | AS27544 → AS396546 | 2162858280676229147342396546396546 |
| 2026-10-06 19:10:13Z | origin change | AS396566 → AS27544 | 21628582806762291473422754427544 |
| 2026-10-06 10:47:26Z | origin change | AS36625 → AS396566 | 377217342396566396566 |
| 2026-10-06 02:18:15Z | origin change | AS19836 → AS36625 | 348002963273423662536625 |
| 2026-10-06 02:18:02Z | origin change | AS36625 → AS396576 | 6121869397342396576396576 |
| 2026-10-06 02:17:56Z | origin change | AS396576 → AS19836 | 3480029632900273421983619836 |
| 2026-10-05 20:13:54Z | origin change | AS396576 → AS36625 | 612182963273423662536625 |
| 2026-10-05 20:13:35Z | origin change | AS19836 → AS396576 | 6121869397342396576396576 |
| 2026-10-05 20:13:22Z | origin change | AS36625 → AS19836 | 3480029632900273421983619836 |
| 2026-10-04 06:03:38Z | origin change | AS396566 → AS36625 | 348002963273423662536625 |
| 2026-10-04 05:58:58Z | origin change | AS397193 → AS396566 | 3772169397342396566396566 |
| 2026-10-03 19:19:13Z | origin change | AS19836 → AS397193 | 3772133567342397193397193 |
| 2026-10-03 17:56:42Z | origin change | AS396566 → AS19836 | 7018129973421983619836 |
| 2026-10-03 09:14:45Z | origin change | AS19836 → AS396566 | 3772169397342396566396566 |
| 2026-10-03 09:14:14Z | origin change | AS36625 → AS19836 | 22652129973421983619836 |
| 2026-10-03 01:28:03Z | origin change | AS396566 → AS36625 | 29504693973423662536625 |
| 2026-10-02 16:21:00Z | origin change | AS36625 → AS396566 | 3772169397342396566396566 |
| 2026-10-02 07:13:29Z | origin change | AS40647 → AS36625 | 1763973423662536625 |