120.133.16.0/21 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
RPKI
13 ROAs cover this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 120.133.0.0/17 | /32 | AS4808 | apnic | wrong origin |
| 120.133.0.0/17 | /32 | AS4835 | apnic | wrong origin |
| 120.133.0.0/17 | /32 | AS4847 | apnic | wrong origin |
| 120.133.0.0/17 | /32 | AS9308 | apnic | wrong origin |
| 120.133.0.0/17 | /32 | AS9802 | apnic | wrong origin |
| 120.133.0.0/17 | /32 | AS9808 | apnic | wrong origin |
| 120.133.0.0/17 | /32 | AS17428 | apnic | wrong origin |
| 120.133.0.0/17 | /32 | AS23724 | apnic | wrong origin |
| 120.133.0.0/17 | /32 | AS56048 | apnic | wrong origin |
| 120.133.0.0/17 | /32 | AS59020 | apnic | wrong origin |
| 120.133.0.0/17 | /32 | AS133111 | apnic | wrong origin |
| 120.133.0.0/17 | /32 | AS133119 | apnic | authorises it |
| 120.133.0.0/17 | /32 | AS141679 | apnic | wrong origin |
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 120.133.0.0/16
- RIR
- APNIC
- Country
- 🇨🇳 CN
- Status
- allocated
- Allocated
- 2008-04-04
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 120.133.16.0/20 v4 | AS56048 China Mobile Group Beijing Company | RPKI valid | 1 | 557201747658453980856048 | 2026-09-18 |
| 120.133.0.0/18 v4 | AS9308 Abitcool(China) Inc. | RPKI valid | 30 | 580571836413448479308 | 2026-09-18 |
| 120.133.0.0/18 v4 | AS9802 Abitcool(China) Inc. | RPKI valid | 12 | 7018483748089802 | 2026-09-18 |
| 120.133.0.0/17 v4 | AS9308 Abitcool(China) Inc. | RPKI valid | 42 | 7018413448479308 | 2026-09-18 |
| 120.133.0.0/16 v4 | AS23724 China Telecom Beijing IDC Network | no ROA | 42 | 7018413423724 | 2026-09-18 |
More specific routes
2 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 120.133.20.0/23 v4 | AS4835 China Telecom Xi'an IDC Network | RPKI valid | 34 | 2026-09-18 |
| 120.133.20.0/23 v4 | AS9802 Abitcool(China) Inc. | RPKI valid | 8 | 2026-09-18 |
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-19 21:04:07Z | origin change | AS9308 → AS133119 | 494324836212994837133119 |
| 2026-10-19 11:39:31Z | origin change | AS133119 → AS9308 | 13830971174413448479308 |
| 2026-10-19 04:11:34Z | origin change | AS9308 → AS133119 | 1763955114837133119 |
| 2026-10-19 02:35:54Z | origin change | AS133119 → AS9308 | 35493356413448479308 |
| 2026-10-19 02:17:59Z | origin change | AS9308 → AS133119 | 3288403277271744837133119 |
| 2026-10-19 00:23:55Z | origin change | AS133119 → AS9308 | 35493356413448479308 |
| 2026-10-15 19:46:33Z | origin change | AS9308 → AS133119 | 494324836212994837133119 |
| 2026-10-15 17:57:10Z | origin change | AS133119 → AS9308 | 5572023764413448479308 |
| 2026-10-15 09:20:52Z | origin change | AS9308 → AS133119 | 216285828067624837133119 |
| 2026-10-15 08:03:45Z | origin change | AS133119 → AS9308 | 35493356413448479308 |
| 2026-10-15 00:10:09Z | origin change | AS9308 → AS133119 | 3288403277271744837133119 |
| 2026-10-14 18:06:01Z | origin change | AS133119 → AS9308 | 557202914413448479308 |
| 2026-10-13 14:34:37Z | origin change | AS9308 → AS133119 | 3288403277271744837133119 |
| 2026-10-13 06:58:06Z | origin change | AS133119 → AS9308 | 57821125863257413448479308 |
| 2026-10-12 15:02:21Z | origin change | AS9308 → AS133119 | 3288403277271744837133119 |
| 2026-10-12 12:44:56Z | origin change | AS133119 → AS9308 | 57821125863257413448479308 |
| 2026-10-12 05:55:56Z | origin change | AS9308 → AS133119 | 4608757512994837133119 |
| 2026-10-10 19:42:26Z | origin change | AS9308 → AS133119 | 3288403277271744837133119 |
| 2026-10-09 13:21:38Z | origin change | AS9308 → AS133119 | 1763955114837133119 |
| 2026-10-09 08:59:31Z | origin change | AS133119 → AS9308 | 57821125863257413448479308 |
| 2026-10-09 08:59:31Z | origin change | AS133119 → AS9308 | 57821125863257413448479308 |
| 2026-10-09 08:59:11Z | origin change | AS9308 → AS133119 | 3288403277271744837133119 |
| 2026-10-09 08:59:11Z | origin change | AS9308 → AS133119 | 3288403277271744837133119 |
| 2026-10-09 08:27:22Z | origin change | AS133119 → AS9308 | 57821125863257413448479308 |
| 2026-10-09 04:04:25Z | origin change | AS56048 → AS9308 | 557202914413448479308 |
| 2026-10-09 03:30:31Z | origin change | AS133119 → AS56048 | 557201747658453980856048 |
| 2026-10-08 22:36:41Z | origin change | AS133119 → AS9308 | 35493356413448479308 |
| 2026-10-08 22:35:57Z | origin change | AS9308 → AS133119 | 1490712994837133119 |
| 2026-10-08 22:34:54Z | origin change | AS9308 → AS133119 | 70187014837133119 |
| 2026-10-08 22:34:01Z | origin change | AS133119 → AS9308 | 13830971174413448479308 |
| 2026-10-08 17:55:45Z | origin change | AS9308 → AS133119 | 6121869394837133119 |
| 2026-10-08 17:08:01Z | origin change | AS133119 → AS9308 | 5572023764413448479308 |
| 2026-10-08 11:57:57Z | origin change | AS9308 → AS133119 | 4818512994837133119 |
| 2026-10-08 11:54:19Z | origin change | AS133119 → AS9308 | 35493356413448479308 |
| 2026-10-08 11:20:45Z | origin change | AS9308 → AS133119 | 35493356483748374837133119 |
| 2026-10-08 11:02:50Z | origin change | AS133119 → AS9308 | 35493356413448479308 |
| 2026-10-08 11:02:18Z | origin change | AS9308 → AS133119 | 4608757512994837133119 |
| 2026-10-07 17:57:55Z | origin change | AS133119 → AS9308 | 5572023764413448479308 |