206208 looking glass

172.83.188.0/24 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 ASRPKI Peers seeing itSample path First seenLast seen
AS204535 Tan Kok Feng RPKI valid 40 34549137409206216204535 2026-10-22 2026-11-04
AS136809 FAST ZONE IT RPKI valid 5 20897242292975262610136809 2026-10-23 2026-11-04

RPKI

2 ROAs cover this prefix

ROA prefixMax lengthAuthorised originTrust anchorResult for this route
172.83.188.0/24 /24 AS136809 arin wrong origin
172.83.188.0/24 /24 AS204535 arin authorises it

Registry

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

Delegated block
172.83.176.0/20
RIR
ARIN
Country
🇺🇸 US
Status
allocated
Allocated
2018-01-15

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

WhenChangeOriginPath
2026-11-05 00:43:26Z origin change AS136809 → AS204535 328840327727174137409206216204535
2026-11-04 21:35:09Z origin change AS204535 → AS136809 20649942292975262610136809
2026-11-04 21:35:01Z origin change AS136809 → AS204535 20649934549137409206216204535
2026-11-04 20:34:40Z origin change AS204535 → AS136809 2023655067342292975262610136809
2026-11-03 04:00:26Z origin change AS136809 → AS204535 328840327727174137409206216204535
2026-11-03 03:04:16Z origin change AS204535 → AS136809 20897242292975262610136809
2026-11-01 14:07:31Z origin change AS136809 → AS204535 328840327727174137409206216204535
2026-11-01 13:30:58Z origin change AS204535 → AS136809 20649942292975262610136809
2026-10-30 09:30:31Z origin change AS136809 → AS204535 328840327727174137409206216204535
2026-10-30 08:13:42Z origin change AS204535 → AS136809 2950442292975262610136809
2026-10-30 06:16:33Z origin change AS136809 → AS204535 328840327727174137409206216204535
2026-10-29 23:36:25Z origin change AS204535 → AS136809 20649942292975262610136809
2026-10-29 22:53:08Z origin change AS136809 → AS204535 328840327727174137409206216204535
2026-10-29 17:08:54Z origin change AS204535 → AS136809 20649942292975262610136809
2026-10-29 17:08:22Z origin change AS136809 → AS204535 20649934549137409206216204535
2026-10-29 09:18:10Z origin change AS204535 → AS136809 20897242292975262610136809
2026-10-28 12:39:22Z origin change AS136809 → AS204535 38855137409206216204535
2026-10-28 11:33:56Z origin change AS204535 → AS136809 20897242292975262610136809
2026-10-26 21:35:12Z origin change AS136809 → AS204535 328840327727174137409206216204535
2026-10-26 19:52:14Z origin change AS204535 → AS136809 2023655067342292975262610136809
2026-10-26 12:26:27Z origin change AS136809 → AS204535 2162858280137409206216204535
2026-10-26 12:24:31Z origin change AS204535 → AS136809 21628582806762297522975262610136809
2026-10-26 01:50:23Z origin change AS136809 → AS204535 37721137409206216204535
2026-10-25 12:30:32Z origin change AS204535 → AS136809 578215746342292975262610136809
2026-10-24 01:08:11Z origin change AS136809 → AS204535 50300174137409206216204535
2026-10-23 23:57:57Z origin change AS204535 → AS136809 20897242292975262610136809
2026-10-23 13:31:36Z origin change AS136809 → AS204535 5572029143491137409206216204535
2026-10-23 06:30:24Z origin change AS204535 → AS136809 295045746342292975262610136809
2026-10-22 14:19:20Z origin change AS136809 → AS204535 59919137409206216204535
2026-10-22 14:18:51Z origin change AS204535 → AS136809 57821125865746342292975262610136809
2026-10-22 10:46:43Z origin change AS136809 → AS204535 14907137409206216204535
2026-10-22 08:02:59Z origin change AS204535 → AS136809 295045746342292975262610136809