123.58.0.0/20 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 |
|---|---|---|---|---|---|
| AS133119 China Unicom IP network | RPKI valid | 37 | 3454955114837133119 | 2026-09-18 | 2026-10-02 |
| AS23724 China Telecom Beijing IDC Network | RPKI invalid | 4 | 580571836413423724 | 2026-09-18 | 2026-10-02 |
RPKI
1 ROA covers this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 123.58.0.0/20 | /20 | AS133119 | apnic | authorises it |
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 123.58.0.0/20
- RIR
- APNIC
- Country
- 🇨🇳 CN
- Status
- allocated
- Allocated
- 2007-01-16
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 123.58.0.0/19 v4 | AS23724 China Telecom Beijing IDC Network | no ROA | 41 | 7018413423724 | 2026-09-18 |
More specific routes
6 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 123.58.0.0/21 v4 | AS24138 China TieTong Telecommunications Corporation | RPKI invalid | 1 | 2026-09-18 |
| 123.58.0.0/22 v4 | AS9808 China Mobile Backbone | RPKI invalid | 1 | 2026-09-18 |
| 123.58.4.0/22 v4 | AS9808 China Mobile Backbone | RPKI invalid | 1 | 2026-09-18 |
| 123.58.8.0/21 v4 | AS24138 China TieTong Telecommunications Corporation | RPKI invalid | 1 | 2026-09-18 |
| 123.58.8.0/22 v4 | AS9808 China Mobile Backbone | RPKI invalid | 1 | 2026-09-18 |
| 123.58.12.0/22 v4 | AS9808 China Mobile Backbone | RPKI invalid | 1 | 2026-09-18 |
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-01 11:32:57Z | origin change | AS23724 → AS133119 | 85232574837133119 |
| 2026-10-01 07:59:21Z | origin change | AS133119 → AS23724 | 5572023764413423724 |
| 2026-10-01 01:24:46Z | origin change | AS23724 → AS133119 | 85232574837133119 |
| 2026-10-01 00:25:26Z | origin change | AS133119 → AS23724 | 5572023764413423724 |
| 2026-09-30 09:45:26Z | origin change | AS23724 → AS133119 | 49673204854837133119 |
| 2026-09-30 09:45:08Z | origin change | AS133119 → AS23724 | 4967320485413423724 |
| 2026-09-29 18:04:22Z | origin change | AS23724 → AS133119 | 85232574837133119 |
| 2026-09-29 17:08:46Z | origin change | AS133119 → AS23724 | 5572023764413423724 |
| 2026-09-29 00:06:03Z | origin change | AS23724 → AS133119 | 20409220766290754837133119 |
| 2026-09-28 21:22:23Z | origin change | AS133119 → AS23724 | 5572023764413423724 |
| 2026-09-28 14:43:54Z | origin change | AS23724 → AS133119 | 49673204854837133119 |
| 2026-09-28 14:43:34Z | origin change | AS133119 → AS23724 | 4967320485413423724 |
| 2026-09-28 14:33:50Z | origin change | AS23724 → AS133119 | 49673204854837133119 |
| 2026-09-28 14:33:33Z | origin change | AS133119 → AS23724 | 4967320485413423724 |
| 2026-09-22 11:38:13Z | origin change | AS23724 → AS133119 | 85232574837133119 |
| 2026-09-22 11:29:49Z | origin change | AS133119 → AS23724 | 5572023764413423724 |
| 2026-09-22 06:21:05Z | origin change | AS23724 → AS133119 | 377211744837133119 |
| 2026-09-22 02:00:46Z | origin change | AS133119 → AS23724 | 580571836413423724 |
| 2026-09-21 19:12:31Z | origin change | AS23724 → AS133119 | 49673204854837133119 |
| 2026-09-21 19:12:16Z | origin change | AS133119 → AS23724 | 4967320485413423724 |
| 2026-09-21 18:58:55Z | origin change | AS23724 → AS133119 | 49673204854837133119 |
| 2026-09-21 18:58:44Z | origin change | AS133119 → AS23724 | 4967320485413423724 |
| 2026-09-21 18:39:05Z | origin change | AS23724 → AS133119 | 49673204854837133119 |
| 2026-09-21 18:38:49Z | origin change | AS133119 → AS23724 | 4967320485413423724 |
| 2026-09-21 18:29:03Z | origin change | AS23724 → AS133119 | 49673204854837133119 |
| 2026-09-21 18:28:47Z | origin change | AS133119 → AS23724 | 4967320485413423724 |
| 2026-09-18 14:02:34Z | origin change | AS23724 → AS133119 | 3288403277271744837133119 |