38.22.219.0/24 no ROA 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
AS100 FMC Central Engineering Laboratories	no ROA	32	50628 3356 401769 100	2026-10-11	2026-10-14
AS174 Cogent Communications, LLC	no ROA	11	37721 174	2026-09-18	2026-10-14

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: 38.0.0.0/8
RIR: ARIN
Country: 🇺🇸 US
Status: allocated
Allocated: 1991-04-16

Less specific routes

Announced prefixes that contain this one

Prefix	Origin	RPKI	Peers	Sample path	First seen
38.0.0.0/8 v4	AS174 Cogent Communications, LLC	no ROA	43	34549 174	2026-09-18

More specific routes

0 announced prefixes inside this one

Nothing more specific is announced.

Recorded changes

When	Change	Origin	Path
2026-10-14 03:32:42Z	origin change	AS100 → AS174	37989 56300 132132 4657 174
2026-10-13 19:33:01Z	origin change	AS174 → AS100	49673 3216 3356 401769 100 100 100
2026-10-12 18:36:05Z	origin change	AS100 → AS174	37721 174
2026-10-10 23:06:52Z	origin change	AS174 → AS100	48185 1299 3356 401769 100 100 100
2026-10-10 09:23:51Z	origin change	AS100 → AS174	37989 56300 132132 4657 174
2026-10-10 09:14:16Z	origin change	AS174 → AS100	17639 7473 6453 3356 401769 100 100 100
2026-10-10 09:14:09Z	origin change	AS100 → AS174	34927 174
2026-10-10 09:13:37Z	origin change	AS174 → AS100	48185 1299 3356 401769 100 100 100
2026-10-10 09:13:36Z	origin change	AS174 → AS100	57821 12586 3320 3356 401769 100 100 100
2026-10-10 09:13:36Z	origin change	AS100 → AS174	216285 8280 174
2026-10-08 22:34:26Z	origin change	AS174 → AS100	132825 3356 401769 100 100 100
2026-10-08 22:33:41Z	origin change	AS100 → AS174	22652 174
2026-10-08 17:07:31Z	origin change	AS174 → AS100	55720 6939 3356 401769 100 100 100
2026-10-08 11:59:50Z	origin change	AS100 → AS174	29504 39392 174
2026-10-08 11:46:26Z	origin change	AS174 → AS100	3549 3356 401769 100 100 100
2026-10-08 11:35:49Z	origin change	AS100 → AS174	37721 174
2026-10-07 17:57:28Z	origin change	AS174 → AS100	55720 6939 3356 401769 100 100 100
2026-10-07 16:44:30Z	origin change	AS100 → AS174	37721 174
2026-10-07 16:18:45Z	origin change	AS174 → AS100	14907 1299 3356 401769 100 100 100
2026-10-07 16:09:15Z	origin change	AS100 → AS174	37989 56300 132132 4657 174
2026-10-07 14:36:16Z	origin change	AS174 → AS100	14907 3356 401769 100 100 100
2026-10-07 10:25:16Z	origin change	AS100 → AS174	29504 15935 174
2026-10-07 10:25:16Z	origin change	AS100 → AS174	29504 15935 174
2026-10-06 23:23:13Z	origin change	AS174 → AS100	17639 9002 3356 401769 100 100 100
2026-10-06 23:23:12Z	origin change	AS100 → AS174	34927 174
2026-10-06 23:23:05Z	origin change	AS174 → AS100	57821 12586 3320 3356 401769 100 100 100
2026-10-03 14:40:34Z	origin change	AS174 → AS100	49673 12389 3356 401769 100 100 100
2026-10-03 01:31:43Z	origin change	AS100 → AS174	29504 15935 174
2026-09-30 12:54:49Z	origin change	AS174 → AS100	852 3257 3356 401769 100 100 100
2026-09-30 12:12:20Z	origin change	AS100 → AS174	29504 15935 174
2026-09-30 12:11:21Z	origin change	AS174 → AS100	852 3257 3356 401769 100 100 100
2026-09-30 11:45:24Z	origin change	AS100 → AS174	37721 174