218.199.0.0/16 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 ASRPKI Peers seeing itSample path First seenLast seen
AS4538 China Education and Research Network Center no ROA 41 237644538 2026-09-18 2026-09-30
AS24358 CERNET2 IX at Huazhong University of Science and Technology no ROA 1 3822923855766023911453824358 2026-09-18 2026-09-30

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
218.196.0.0/14
RIR
APNIC
Country
🇨🇳 CN
Status
allocated
Allocated
2002-01-21

Less specific routes

Announced prefixes that contain this one

Prefix Origin RPKI Peers Sample path First seen
218.192.0.0/13 v4 AS4538 China Education and Research Network Center no ROA 46 244824538 2026-09-18

More specific routes

17 announced prefixes inside this one

Prefix Origin RPKI Peers First seen
218.199.0.0/21 v4 AS4538 China Education and Research Network Center no ROA 41 2026-09-18
218.199.8.0/21 v4 AS4538 China Education and Research Network Center no ROA 41 2026-09-18
218.199.48.0/20 v4 AS4538 China Education and Research Network Center no ROA 41 2026-09-18
218.199.64.0/20 v4 AS4538 China Education and Research Network Center no ROA 13 2026-09-18
218.199.80.0/20 v4 AS4538 China Education and Research Network Center no ROA 4 2026-09-18
218.199.88.0/24 v4 AS4538 China Education and Research Network Center RPKI valid 41 2026-09-18
218.199.112.0/20 v4 AS4538 China Education and Research Network Center no ROA 41 2026-09-18
218.199.128.0/20 v4 AS4538 China Education and Research Network Center no ROA 41 2026-09-18
218.199.144.0/20 v4 AS4538 China Education and Research Network Center no ROA 41 2026-09-18
218.199.160.0/20 v4 AS4538 China Education and Research Network Center no ROA 41 2026-09-18
218.199.176.0/20 v4 AS4538 China Education and Research Network Center no ROA 41 2026-09-18
218.199.181.0/24 v4 AS4538 China Education and Research Network Center RPKI valid 41 2026-09-18
218.199.192.0/20 v4 AS4538 China Education and Research Network Center no ROA 4 2026-09-18
218.199.208.0/22 v4 AS4538 China Education and Research Network Center no ROA 41 2026-09-18
218.199.210.0/23 v4 AS4538 China Education and Research Network Center no ROA 41 2026-09-18
218.199.212.0/22 v4 AS4538 China Education and Research Network Center no ROA 41 2026-09-18
218.199.224.0/20 v4 AS4538 China Education and Research Network Center no ROA 41 2026-09-18

Recorded changes

WhenChangeOriginPath
2026-09-27 18:26:10Z origin change AS24358 → AS4538 85232572376445384538
2026-09-27 16:58:42Z origin change AS4538 → AS24358 3822923855766023911453824358
2026-09-25 17:02:52Z origin change AS24358 → AS4538 85232572376445384538
2026-09-25 17:00:14Z origin change AS4538 → AS24358 3822923855766023911453824358
2026-09-18 04:44:27Z origin change AS24358 → AS4538 2376445384538