206208 looking glass

152.175.144.0/23 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
AS49304 SAKURA LINK LIMITED RPKI valid 37 55720693949304 2026-10-19 2026-10-26
AS21859 Zenlayer Inc RPKI valid 7 2448221859 2026-10-19 2026-10-26

RPKI

4 ROAs cover this prefix

ROA prefixMax lengthAuthorised originTrust anchorResult for this route
152.175.144.0/20 /24 AS21859 ripe wrong origin
152.175.0.0/16 /24 AS8126 ripe wrong origin
152.175.0.0/16 /24 AS49304 ripe authorises it
152.175.0.0/16 /24 AS202069 ripe wrong origin

Registry

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

Delegated block
152.175.0.0/16
RIR
RIPENCC
Country
🇭🇰 HK
Status
allocated
Allocated
2014-05-23

Less specific routes

Announced prefixes that contain this one

Prefix Origin RPKI Peers Sample path First seen
152.175.144.0/20 v4 AS202069 Sakura Communications Limited RPKI valid 27 345491374099516202069 2026-09-18
152.175.144.0/20 v4 AS49304 SAKURA LINK LIMITED RPKI valid 9 22652137409951649304 2026-10-21
152.175.144.0/20 v4 AS21859 Zenlayer Inc RPKI valid 8 2448221859 2026-10-17
152.175.0.0/16 v4 AS49304 SAKURA LINK LIMITED RPKI valid 1 44393357101009921645849304 2026-10-09

More specific routes

4 announced prefixes inside this one

Prefix Origin RPKI Peers First seen
152.175.144.0/24 v4 AS21859 Zenlayer Inc RPKI valid 7 2026-09-18
152.175.144.0/24 v4 AS49304 SAKURA LINK LIMITED RPKI valid 37 2026-10-16
152.175.145.0/24 v4 AS21859 Zenlayer Inc RPKI valid 7 2026-09-18
152.175.145.0/24 v4 AS49304 SAKURA LINK LIMITED RPKI valid 37 2026-10-16

Recorded changes

WhenChangeOriginPath
2026-10-24 17:22:54Z origin change AS21859 → AS49304 852137409951649304
2026-10-24 15:27:24Z origin change AS49304 → AS21859 17639346221859
2026-10-24 14:02:07Z origin change AS21859 → AS49304 580571836137409951649304
2026-10-24 02:46:29Z origin change AS49304 → AS21859 2448221859
2026-10-23 23:57:39Z origin change AS21859 → AS49304 208972137409951649304
2026-10-23 20:03:29Z origin change AS49304 → AS21859 2448221859
2026-10-22 06:50:37Z origin change AS21859 → AS49304 14035776461137409951649304
2026-10-22 03:20:03Z origin change AS49304 → AS21859 17639346221859
2026-10-21 17:39:33Z origin change AS21859 → AS49304 55720693949304
2026-10-21 12:22:16Z origin change AS49304 → AS21859 17639346221859
2026-10-20 20:24:41Z origin change AS21859 → AS49304 22652174137409951649304
2026-10-20 20:24:33Z origin change AS49304 → AS21859 2265212999680968096809680346221859
2026-10-20 15:03:05Z origin change AS21859 → AS49304 20236550673137409951649304
2026-10-20 15:02:52Z origin change AS49304 → AS21859 1328253356346221859
2026-10-20 15:02:45Z origin change AS21859 → AS49304 349275202532097137409951649304
2026-10-20 15:02:45Z origin change AS21859 → AS49304 20409220766137409951649304
2026-10-20 15:02:45Z origin change AS49304 → AS21859 377213462346221859
2026-10-20 15:02:45Z origin change AS21859 → AS49304 48185137409951649304
2026-10-20 15:02:44Z origin change AS49304 → AS21859 2040921989781749680346221859
2026-10-20 15:02:44Z origin change AS49304 → AS21859 377213462346221859
2026-10-20 15:02:41Z origin change AS21859 → AS49304 22652174137409951649304
2026-10-20 15:02:40Z origin change AS49304 → AS21859 2265212999680968096809680346221859
2026-10-20 15:02:40Z origin change AS49304 → AS21859 216285828067629680346221859
2026-10-20 15:02:40Z origin change AS49304 → AS21859 34927520256428962943693921859
2026-10-20 15:02:40Z origin change AS21859 → AS49304 48185137409951649304
2026-10-20 15:02:40Z origin change AS21859 → AS49304 2162858280174137409951649304
2026-10-20 15:02:40Z origin change AS21859 → AS49304 204092198978174137409951649304
2026-10-20 15:02:40Z origin change AS49304 → AS21859 3798956300132132346221859
2026-10-20 15:01:51Z origin change AS21859 → AS49304 1328253356137409951649304
2026-10-20 15:01:23Z origin change AS21859 → AS49304 328840327727174137409951649304
2026-10-20 15:01:20Z origin change AS49304 → AS21859 1328253356346221859
2026-10-20 15:01:17Z origin change AS21859 → AS49304 5572021859951649304
2026-10-20 15:01:09Z origin change AS49304 → AS21859 3288403277271749680346221859
2026-10-20 15:01:07Z origin change AS49304 → AS21859 49673204853462346221859
2026-10-20 15:01:06Z origin change AS21859 → AS49304 1490729144229951649304
2026-10-20 15:01:05Z origin change AS21859 → AS49304 37721137409951649304
2026-10-20 15:01:05Z origin change AS49304 → AS21859 1490733562914422921859218592185921859
2026-10-20 15:01:03Z origin change AS49304 → AS21859 377213462346221859
2026-10-20 15:01:03Z origin change AS21859 → AS49304 1490733566461137409951649304
2026-10-20 15:01:02Z origin change AS49304 → AS21859 3798956300132132346221859
2026-10-20 15:01:02Z origin change AS21859 → AS49304 481853356174137409951649304
2026-10-20 15:01:01Z origin change AS49304 → AS21859 216285828067629680346221859
2026-10-20 15:01:01Z origin change AS21859 → AS49304 22652174137409951649304
2026-10-20 15:01:01Z origin change AS49304 → AS21859 226521749680346221859
2026-10-20 15:01:00Z origin change AS49304 → AS21859 34927520256428962943693921859
2026-10-20 15:01:00Z origin change AS21859 → AS49304 204092137409951649304
2026-10-20 15:00:39Z origin change AS21859 → AS49304 37721137409951649304
2026-10-20 15:00:36Z origin change AS49304 → AS21859 377213462346221859
2026-10-20 15:00:35Z origin change AS49304 → AS21859 2950439392338913462346221859
2026-10-20 15:00:35Z origin change AS21859 → AS49304 13830971137409951649304