206208 looking glass

2001:500:121::/48 RPKI valid MOAS

Announced by 10 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 ASRPKI Peers seeing itSample path First seenLast seen
AS396566 Verisign Anycast NL 0L RPKI valid 12 377217342396566 2026-09-29 2026-10-09
AS36631 Verisign Anycast US 1A RPKI valid 6 226521299734236631 2026-09-18 2026-10-09
AS36629 Verisign Anycast DE 0L RPKI valid 3 380019002734236629 2026-09-18 2026-10-09
AS40647 Verisign Anycast NL 0C RPKI valid 2 503041299734240647 2026-09-19 2026-10-09
AS211369 Verisign Anycast FR 0E RPKI valid 2 5030032577342211369 2026-09-21 2026-10-09
AS21313 Verisign Anycast FR 0A RPKI valid 2 345491299734221313 2026-09-23 2026-10-09
AS36628 Verisign Anycast DE 0K RPKI valid 2 379896939734236628 2026-10-03 2026-10-09
AS397203 Verisign Anycast US 2U RPKI valid 2 140357769397342397203 2026-10-06 2026-10-09
AS396576 Verisign Anycast US 1M RPKI valid 1 6121869397342396576 2026-09-26 2026-10-09
AS32651 Verisign Anycast NL 0H RPKI valid 1 5805718363356734232651 2026-09-29 2026-10-09

RPKI

64 ROAs cover this prefix

ROA prefixMax lengthAuthorised originTrust anchorResult for this route
2001:500:121::/48 /48 AS10515 arin wrong origin
2001:500:121::/48 /48 AS19836 arin wrong origin
2001:500:121::/48 /48 AS20172 arin wrong origin
2001:500:121::/48 /48 AS20431 arin wrong origin
2001:500:121::/48 /48 AS21313 arin wrong origin
2001:500:121::/48 /48 AS22547 arin wrong origin
2001:500:121::/48 /48 AS25485 arin wrong origin
2001:500:121::/48 /48 AS27544 arin wrong origin
2001:500:121::/48 /48 AS32651 arin wrong origin
2001:500:121::/48 /48 AS36616 arin wrong origin
2001:500:121::/48 /48 AS36617 arin wrong origin
2001:500:121::/48 /48 AS36618 arin wrong origin
2001:500:121::/48 /48 AS36619 arin wrong origin
2001:500:121::/48 /48 AS36620 arin wrong origin
2001:500:121::/48 /48 AS36621 arin wrong origin
2001:500:121::/48 /48 AS36622 arin wrong origin
2001:500:121::/48 /48 AS36623 arin wrong origin
2001:500:121::/48 /48 AS36624 arin wrong origin
2001:500:121::/48 /48 AS36625 arin wrong origin
2001:500:121::/48 /48 AS36628 arin wrong origin
2001:500:121::/48 /48 AS36629 arin wrong origin
2001:500:121::/48 /48 AS36630 arin wrong origin
2001:500:121::/48 /48 AS36631 arin wrong origin
2001:500:121::/48 /48 AS36632 arin wrong origin
2001:500:121::/48 /48 AS40647 arin wrong origin
2001:500:121::/48 /48 AS40717 arin wrong origin
2001:500:121::/48 /48 AS211369 arin wrong origin
2001:500:121::/48 /48 AS396543 arin wrong origin
2001:500:121::/48 /48 AS396544 arin wrong origin
2001:500:121::/48 /48 AS396545 arin wrong origin
2001:500:121::/48 /48 AS396546 arin wrong origin
2001:500:121::/48 /48 AS396547 arin wrong origin
2001:500:121::/48 /48 AS396549 arin wrong origin
2001:500:121::/48 /48 AS396550 arin wrong origin
2001:500:121::/48 /48 AS396551 arin wrong origin
2001:500:121::/48 /48 AS396552 arin wrong origin
2001:500:121::/48 /48 AS396553 arin wrong origin
2001:500:121::/48 /48 AS396555 arin wrong origin
2001:500:121::/48 /48 AS396560 arin wrong origin
2001:500:121::/48 /48 AS396563 arin wrong origin
2001:500:121::/48 /48 AS396564 arin wrong origin
2001:500:121::/48 /48 AS396565 arin wrong origin
2001:500:121::/48 /48 AS396566 arin authorises it
2001:500:121::/48 /48 AS396567 arin wrong origin
2001:500:121::/48 /48 AS396571 arin wrong origin
2001:500:121::/48 /48 AS396572 arin wrong origin
2001:500:121::/48 /48 AS396573 arin wrong origin
2001:500:121::/48 /48 AS396576 arin wrong origin
2001:500:121::/48 /48 AS396578 arin wrong origin
2001:500:121::/48 /48 AS396580 arin wrong origin
2001:500:121::/48 /48 AS396581 arin wrong origin
2001:500:121::/48 /48 AS396582 arin wrong origin
2001:500:121::/48 /48 AS396583 arin wrong origin
2001:500:121::/48 /48 AS396584 arin wrong origin
2001:500:121::/48 /48 AS396585 arin wrong origin
2001:500:121::/48 /48 AS396586 arin wrong origin
2001:500:121::/48 /48 AS396587 arin wrong origin
2001:500:121::/48 /48 AS396588 arin wrong origin
2001:500:121::/48 /48 AS396589 arin wrong origin
2001:500:121::/48 /48 AS396590 arin wrong origin
2001:500:121::/48 /48 AS396591 arin wrong origin
2001:500:121::/48 /48 AS396592 arin wrong origin
2001:500:121::/48 /48 AS396593 arin wrong origin
2001:500:121::/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

WhenChangeOriginPath
2026-10-09 18:49:21Z origin change AS396583 → AS396566 5805769397342396566396566
2026-10-09 16:51:34Z origin change AS21313 → AS396583 1490733567342396583396583
2026-10-08 23:27:08Z origin change AS397203 → AS21313 34549129973422131321313
2026-10-08 22:35:04Z origin change AS32651 → AS397203 140357769397342397203397203
2026-10-08 22:33:37Z origin change AS397203 → AS32651 580571836335673423265132651
2026-10-08 22:31:45Z origin change AS396576 → AS397203 140357769397342397203397203
2026-10-08 17:55:30Z origin change AS396566 → AS396576 6121869397342396576396576
2026-10-08 14:01:38Z origin change AS397203 → AS396566 5805769397342396566396566
2026-10-08 11:35:31Z origin change AS40647 → AS397203 3772169397342397203397203
2026-10-08 09:26:24Z origin change AS396566 → AS40647 5738150304129973424064740647
2026-10-08 09:26:24Z origin change AS211369 → AS396566 5738169397342396566396566
2026-10-08 09:26:19Z origin change AS21313 → AS211369 213241900232577342211369211369
2026-10-08 09:26:13Z origin change AS397203 → AS21313 20409220766129973422131321313
2026-10-08 09:26:13Z origin change AS396566 → AS397203 349273492769397342397203397203
2026-10-08 09:26:05Z origin change AS32651 → AS396566 20409220766291697342396566396566
2026-10-08 09:26:05Z origin change AS397203 → AS211369 578211258632577342211369211369
2026-10-08 09:26:05Z origin change AS32651 → AS396566 244827342396566396566
2026-10-08 09:26:05Z origin change AS396566 → AS397203 244827342397203397203
2026-10-08 09:26:05Z origin change AS396566 → AS32651 204092198978174335673423265132651
2026-10-08 09:26:05Z origin change AS36631 → AS397203 2950469397342397203397203
2026-10-08 09:26:05Z origin change AS396567 → AS32651 48185335673423265132651
2026-10-08 09:26:05Z origin change AS397203 → AS396566 204092340197342396566396566
2026-10-08 09:26:05Z origin change AS211369 → AS397203 5782169397342397203397203
2026-10-08 09:26:05Z origin change AS396566 → AS36631 3333291473423663136631
2026-10-08 09:26:05Z origin change AS36628 → AS396566 333312577342396566396566
2026-10-08 09:26:04Z origin change AS397203 → AS396567 2023655067364537342396567396567
2026-10-08 00:20:42Z origin change AS22547 → AS36628 17639693973423662836628
2026-10-08 00:19:48Z origin change AS396566 → AS22547 17639335673422254722547
2026-10-07 17:53:28Z origin change AS36631 → AS396566 349273492769397342396566396566
2026-10-07 17:52:53Z origin change AS396566 → AS36631 20205693973423663136631
2026-10-07 17:51:30Z origin change AS396576 → AS396566 5805769397342396566396566
2026-10-07 17:51:11Z origin change AS396566 → AS396576 6121869397342396576396576
2026-10-07 16:41:41Z origin change AS36631 → AS396566 377217342396566396566
2026-10-07 16:18:29Z origin change AS36628 → AS36631 14907129973423663136631
2026-10-07 16:09:20Z origin change AS36631 → AS36628 37989693973423662836628
2026-10-07 15:50:08Z origin change AS36628 → AS36631 14907129973423663136631
2026-10-07 14:48:00Z origin change AS36631 → AS36628 17639693973423662836628
2026-10-07 14:31:55Z origin change AS396566 → AS36631 14907693973423663136631
2026-10-07 13:58:21Z origin change AS396576 → AS396566 377217342396566396566
2026-10-07 12:29:39Z origin change AS36629 → AS396576 6121869397342396576396576
2026-10-07 10:39:36Z origin change AS36631 → AS36629 61218693973423662936629
2026-10-06 19:30:13Z origin change AS396571 → AS36631 21628582806762291473423663136631
2026-10-06 19:27:26Z origin change AS32651 → AS396571 2162858280676229147342396571396571
2026-10-06 14:46:17Z origin change AS396583 → AS32651 580571836335673423265132651
2026-10-06 12:46:32Z origin change AS396566 → AS396583 58057183633567342396583396583
2026-10-06 10:47:26Z origin change AS397203 → AS396566 377217342396566396566
2026-10-05 18:35:08Z origin change AS396566 → AS397203 140357769397342397203397203
2026-10-05 17:32:00Z origin change AS32651 → AS396566 204092340197342396566396566
2026-10-05 17:31:51Z origin change AS36631 → AS32651 204092198978174335673423265132651
2026-10-05 15:29:23Z origin change AS21313 → AS36631 1403577693973423663136631