120.133.48.0/20 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 |
|---|---|---|---|---|---|
| AS23724 China Telecom Beijing IDC Network | RPKI valid | 30 | 37721174413423724 | 2026-09-18 | 2026-10-15 |
| AS4808 China Unicom Beijing Province Network | RPKI valid | 13 | 701848374808 | 2026-09-18 | 2026-10-15 |
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 | authorises it |
| 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 | wrong origin |
| 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 |
|---|---|---|---|---|---|
| 120.133.0.0/18 v4 | AS9308 Abitcool(China) Inc. | RPKI valid | 31 | 37721174413448479308 | 2026-09-18 |
| 120.133.0.0/18 v4 | AS9802 Abitcool(China) Inc. | RPKI valid | 11 | 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
12 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 120.133.48.0/21 v4 | AS56048 China Mobile Group Beijing Company | RPKI valid | 1 | 2026-09-18 |
| 120.133.48.0/22 v4 | AS9308 Abitcool(China) Inc. | RPKI valid | 1 | 2026-09-18 |
| 120.133.48.0/24 v4 | AS9308 Abitcool(China) Inc. | RPKI valid | 1 | 2026-09-18 |
| 120.133.50.0/24 v4 | AS9308 Abitcool(China) Inc. | RPKI valid | 1 | 2026-09-18 |
| 120.133.51.0/24 v4 | AS4835 China Telecom Xi'an IDC Network | RPKI valid | 42 | 2026-09-18 |
| 120.133.52.0/22 v4 | AS9308 Abitcool(China) Inc. | RPKI valid | 1 | 2026-09-18 |
| 120.133.54.0/24 v4 | AS9308 Abitcool(China) Inc. | RPKI valid | 1 | 2026-09-18 |
| 120.133.55.0/24 v4 | AS9308 Abitcool(China) Inc. | RPKI valid | 1 | 2026-09-18 |
| 120.133.56.0/21 v4 | AS56048 China Mobile Group Beijing Company | RPKI valid | 1 | 2026-09-18 |
| 120.133.56.0/22 v4 | AS9308 Abitcool(China) Inc. | RPKI valid | 1 | 2026-09-18 |
| 120.133.56.0/24 v4 | AS9308 Abitcool(China) Inc. | RPKI valid | 1 | 2026-09-18 |
| 120.133.63.0/24 v4 | AS9308 Abitcool(China) Inc. | RPKI valid | 1 | 2026-09-18 |
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-15 09:22:52Z | origin change | AS4808 → AS23724 | 5572023764413423724 |
| 2026-10-15 09:20:52Z | origin change | AS23724 → AS4808 | 2162858280676248374808 |
| 2026-10-15 05:57:01Z | origin change | AS4808 → AS23724 | 5572023764413423724 |
| 2026-10-15 05:51:21Z | origin change | AS23724 → AS4808 | 6129244356476648374808 |
| 2026-10-15 05:50:20Z | origin change | AS4808 → AS23724 | 5572099302914413423724 |
| 2026-10-15 05:41:20Z | origin change | AS23724 → AS4808 | 6129244356476648374808 |
| 2026-10-14 23:21:30Z | origin change | AS4808 → AS23724 | 4967320485413423724 |
| 2026-10-14 23:18:43Z | origin change | AS23724 → AS4808 | 496731238948374808 |
| 2026-10-14 18:22:40Z | origin change | AS4808 → AS23724 | 5572023764413423724 |
| 2026-10-14 18:06:19Z | origin change | AS23724 → AS4808 | 557201009948374808 |
| 2026-10-14 18:06:16Z | origin change | AS4808 → AS23724 | 5572099302914413423724 |
| 2026-10-14 18:03:57Z | origin change | AS23724 → AS4808 | 2162858280676248374808 |
| 2026-10-14 17:50:10Z | origin change | AS4808 → AS23724 | 204092198978174413423724 |
| 2026-10-14 17:45:47Z | origin change | AS23724 → AS4808 | 3772117448374808 |
| 2026-10-14 03:34:58Z | origin change | AS4808 → AS23724 | 328840327727174413423724 |
| 2026-10-14 03:32:14Z | origin change | AS23724 → AS4808 | 37989563001321321009948374808 |
| 2026-10-13 03:52:44Z | origin change | AS4808 → AS23724 | 5572023764413423724 |
| 2026-10-13 03:42:52Z | origin change | AS23724 → AS4808 | 6129244356476648374808 |
| 2026-10-11 00:02:31Z | origin change | AS4808 → AS23724 | 5572023764413423724 |
| 2026-10-10 23:40:51Z | origin change | AS23724 → AS4808 | 17639551148374808 |
| 2026-10-10 14:11:36Z | origin change | AS4808 → AS23724 | 5572099302914413423724 |
| 2026-10-10 14:09:26Z | origin change | AS23724 → AS4808 | 496731238948374808 |
| 2026-10-10 10:53:58Z | origin change | AS4808 → AS23724 | 5572023764413423724 |
| 2026-10-10 10:49:01Z | origin change | AS23724 → AS4808 | 17639551148374808 |
| 2026-10-10 10:42:41Z | origin change | AS4808 → AS23724 | 5572023764413423724 |
| 2026-10-10 10:41:34Z | origin change | AS23724 → AS4808 | 17639551148374808 |
| 2026-10-10 10:14:01Z | origin change | AS4808 → AS23724 | 5572023764413423724 |
| 2026-10-10 10:09:53Z | origin change | AS23724 → AS4808 | 17639551148374808 |
| 2026-10-10 02:01:26Z | origin change | AS4808 → AS23724 | 5572099302914413423724 |
| 2026-10-10 01:29:20Z | origin change | AS23724 → AS4808 | 17639551148374808 |
| 2026-10-10 00:43:35Z | origin change | AS4808 → AS23724 | 5572099302914413423724 |
| 2026-10-10 00:30:09Z | origin change | AS23724 → AS4808 | 17639551148374808 |
| 2026-10-09 15:14:13Z | origin change | AS4808 → AS23724 | 5572023764413423724 |
| 2026-10-09 15:07:47Z | origin change | AS23724 → AS4808 | 17639551148374808 |
| 2026-10-09 13:51:46Z | origin change | AS4808 → AS23724 | 5572099302914413423724 |
| 2026-10-09 13:51:45Z | origin change | AS23724 → AS4808 | 17639551148374808 |
| 2026-10-09 13:42:04Z | origin change | AS4808 → AS23724 | 5572023764413423724 |
| 2026-10-09 13:36:47Z | origin change | AS23724 → AS4808 | 17639551148374808 |
| 2026-10-09 13:23:07Z | origin change | AS4808 → AS23724 | 5572023764413423724 |
| 2026-10-09 13:21:01Z | origin change | AS23724 → AS4808 | 17639551148374808 |
| 2026-10-08 22:42:16Z | origin change | AS4808 → AS23724 | 5572023764413423724 |
| 2026-10-08 22:35:35Z | origin change | AS23724 → AS4808 | 140357770148374808 |
| 2026-10-08 22:35:32Z | origin change | AS4808 → AS23724 | 328840327727174413423724 |
| 2026-10-08 22:35:22Z | origin change | AS23724 → AS4808 | 701848374808 |
| 2026-10-08 11:36:19Z | origin change | AS4808 → AS23724 | 37721174413423724 |
| 2026-10-08 11:20:46Z | origin change | AS23724 → AS4808 | 354933564837483748374808 |
| 2026-10-07 16:15:10Z | origin change | AS4808 → AS23724 | 5572099302914413423724 |
| 2026-10-07 16:13:09Z | origin change | AS4808 → AS23724 | 5572023764413423724 |
| 2026-10-07 16:10:57Z | origin change | AS23724 → AS4808 | 37989563001321321009948374808 |
| 2026-10-07 16:09:07Z | origin change | AS23724 → AS4808 | 37989563001321321009948374808 |