37.140.128.0/18 RPKI valid MOAS

Announced by 2 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
AS208398 Edge Technology Plus (Yandex)	RPKI valid	34	34549 1299 208398	2026-09-18	2026-10-15
AS13238 YANDEX LLC	RPKI valid	9	37721 13238	2026-09-18	2026-10-15

RPKI

2 ROAs cover this prefix

ROA prefix	Max length	Authorised origin	Trust anchor	Result for this route
37.140.128.0/18	/24	AS13238	ripe	wrong origin
37.140.128.0/18	/24	AS208398	ripe	authorises it

Registry

Who this address space is delegated to, regardless of whether it is routed

Delegated block: 37.140.128.0/18
RIR: RIPENCC
Country: 🇷🇺 RU
Status: allocated
Allocated: 2012-02-29

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
2026-10-15 21:04:37Z	origin change	AS13238 → AS208398	22652 1299 6762 208398
2026-10-15 19:46:20Z	origin change	AS208398 → AS13238	49432 48362 9002 13238
2026-10-15 15:48:58Z	origin change	AS13238 → AS208398	4608 7575 3491 208398
2026-10-15 13:49:16Z	origin change	AS208398 → AS13238	49432 48362 9002 13238
2026-10-15 11:18:47Z	origin change	AS13238 → AS208398	44393 35710 4809 23764 208398
2026-10-15 11:18:47Z	origin change	AS208398 → AS13238	44393 394256 6939 13238
2026-10-14 11:17:55Z	origin change	AS13238 → AS208398	4608 7575 3491 208398
2026-10-14 08:31:10Z	origin change	AS208398 → AS13238	34927 13238
2026-10-14 03:34:34Z	origin change	AS13238 → AS208398	328840 327727 174 208398
2026-10-14 03:32:13Z	origin change	AS208398 → AS13238	37989 56300 132132 4657 9002 13238
2026-10-13 14:34:33Z	origin change	AS13238 → AS208398	328840 327727 174 208398
2026-10-13 14:28:43Z	origin change	AS208398 → AS13238	49134 53356 6939 13238
2026-10-13 06:57:55Z	origin change	AS13238 → AS208398	57821 12586 3257 1299 208398
2026-10-13 04:14:59Z	origin change	AS208398 → AS13238	61218 6939 13238
2026-10-12 21:08:53Z	origin change	AS13238 → AS208398	328840 327727 174 208398
2026-10-12 18:36:19Z	origin change	AS208398 → AS13238	37721 13238
2026-10-12 10:30:06Z	origin change	AS13238 → AS208398	44393 35710 4809 23764 208398
2026-10-12 10:30:06Z	origin change	AS208398 → AS13238	44393 394256 6939 13238
2026-10-12 10:30:05Z	origin change	AS13238 → AS208398	61218 6939 3491 208398
2026-10-12 10:30:05Z	origin change	AS208398 → AS13238	44393 394256 6939 13238
2026-10-11 06:53:09Z	origin change	AS13238 → AS208398	328840 327727 174 208398
2026-10-10 23:34:41Z	origin change	AS208398 → AS13238	49432 48362 9002 13238
2026-10-10 23:34:23Z	origin change	AS13238 → AS208398	17639 3491 208398
2026-10-10 23:20:33Z	origin change	AS208398 → AS13238	49432 48362 9002 13238
2026-10-08 20:21:48Z	origin change	AS13238 → AS208398	204092 198978 174 208398
2026-10-08 17:08:50Z	origin change	AS208398 → AS13238	55720 6939 13238
2026-10-08 11:45:47Z	origin change	AS13238 → AS208398	3549 3356 6762 208398
2026-10-08 11:35:53Z	origin change	AS208398 → AS13238	37721 13238
2026-10-08 10:58:20Z	origin change	AS13238 → AS208398	216285 8280 6762 208398
2026-10-07 16:44:32Z	origin change	AS208398 → AS13238	37721 13238
2026-10-07 16:18:42Z	origin change	AS13238 → AS208398	14907 1299 3491 208398
2026-10-07 16:09:16Z	origin change	AS208398 → AS13238	37989 56300 132132 4657 9002 13238
2026-10-07 14:33:56Z	origin change	AS13238 → AS208398	14907 1299 3491 208398
2026-10-07 13:59:36Z	origin change	AS208398 → AS13238	37721 13238
2026-10-07 10:25:14Z	origin change	AS13238 → AS208398	29504 15935 174 208398
2026-10-07 09:24:55Z	origin change	AS208398 → AS13238	34927 13238
2026-10-07 09:23:26Z	origin change	AS13238 → AS208398	34927 56655 1299 208398
2026-10-06 22:19:29Z	origin change	AS208398 → AS13238	37721 13238
2026-10-06 15:54:06Z	origin change	AS13238 → AS208398	216285 8280 6762 208398
2026-10-06 14:02:31Z	origin change	AS208398 → AS13238	49134 53356 6939 13238
2026-10-03 17:58:22Z	origin change	AS13238 → AS208398	328840 327727 174 208398
2026-10-03 09:13:03Z	origin change	AS208398 → AS13238	37721 13238
2026-10-02 18:16:15Z	origin change	AS13238 → AS208398	328840 327727 174 208398
2026-10-02 14:04:34Z	origin change	AS208398 → AS13238	49673 13238