101.251.252.0/22 RPKI valid MOAS
Announced by 3 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 |
|---|---|---|---|---|---|
| AS63199 CDS Global Cloud Co., Ltd | RPKI valid | 33 | 3454963199 | 2026-09-18 | 2026-10-20 |
| AS4808 China Unicom Beijing Province Network | RPKI valid | 7 | 701848374808 | 2026-09-18 | 2026-10-20 |
| AS23724 China Telecom Beijing IDC Network | RPKI valid | 2 | 35493356413423724 | 2026-09-18 | 2026-10-20 |
RPKI
6 ROAs cover this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 101.251.252.0/22 | /22 | AS4808 | apnic | wrong origin |
| 101.251.252.0/22 | /22 | AS23724 | apnic | wrong origin |
| 101.251.252.0/22 | /22 | AS56048 | apnic | wrong origin |
| 101.251.252.0/22 | /22 | AS63199 | apnic | authorises it |
| 101.251.240.0/20 | /20 | AS23724 | apnic | wrong origin |
| 101.251.224.0/19 | /19 | AS23724 | apnic | wrong origin |
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 101.251.128.0/17
- RIR
- APNIC
- Country
- 🇨🇳 CN
- Status
- allocated
- Allocated
- 2011-03-09
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 101.251.240.0/20 v4 | AS23724 China Telecom Beijing IDC Network | RPKI valid | 42 | 7018413423724 | 2026-09-18 |
| 101.251.224.0/19 v4 | AS23724 China Telecom Beijing IDC Network | RPKI valid | 42 | 7018413423724 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-20 08:44:53Z | origin change | AS4808 → AS63199 | 494324836263199 |
| 2026-10-20 02:37:20Z | origin change | AS63199 → AS4808 | 6129244356476648374808 |
| 2026-10-19 21:04:01Z | origin change | AS23724 → AS63199 | 494324836263199 |
| 2026-10-19 20:21:05Z | origin change | AS63199 → AS23724 | 35493356413423724 |
| 2026-10-19 04:11:16Z | origin change | AS23724 → AS63199 | 1763963199 |
| 2026-10-19 02:35:56Z | origin change | AS63199 → AS23724 | 35493356413423724 |
| 2026-10-19 02:18:04Z | origin change | AS23724 → AS63199 | 32884032772717463199 |
| 2026-10-18 23:39:53Z | origin change | AS63199 → AS23724 | 35493356413423724 |
| 2026-10-18 00:11:04Z | origin change | AS4808 → AS63199 | 32884032772717463199 |
| 2026-10-17 17:44:23Z | origin change | AS63199 → AS4808 | 6129244356476648374808 |
| 2026-10-17 17:32:21Z | origin change | AS4808 → AS63199 | 32884032772717463199 |
| 2026-10-17 17:07:11Z | origin change | AS63199 → AS4808 | 6129244356476648374808 |
| 2026-10-17 09:15:42Z | origin change | AS23724 → AS63199 | 55720693963199 |
| 2026-10-17 09:11:36Z | origin change | AS63199 → AS23724 | 5572023764413423724 |
| 2026-10-17 09:08:32Z | origin change | AS23724 → AS63199 | 55720693963199 |
| 2026-10-17 09:07:31Z | origin change | AS63199 → AS23724 | 5572023764413423724 |
| 2026-10-17 08:44:58Z | origin change | AS23724 → AS63199 | 55720693963199 |
| 2026-10-17 08:37:18Z | origin change | AS63199 → AS23724 | 5572023764413423724 |
| 2026-10-17 07:23:30Z | origin change | AS23724 → AS63199 | 32884032772717463199 |
| 2026-10-17 06:32:21Z | origin change | AS63199 → AS23724 | 5572023764413423724 |
| 2026-10-17 06:26:43Z | origin change | AS23724 → AS63199 | 55720693963199 |
| 2026-10-17 06:25:11Z | origin change | AS63199 → AS23724 | 5572023764413423724 |
| 2026-10-17 06:23:09Z | origin change | AS23724 → AS63199 | 55720693963199 |
| 2026-10-17 06:17:31Z | origin change | AS63199 → AS23724 | 5572023764413423724 |
| 2026-10-17 06:15:27Z | origin change | AS23724 → AS63199 | 55720693963199 |
| 2026-10-17 06:12:23Z | origin change | AS63199 → AS23724 | 5572023764413423724 |
| 2026-10-17 05:56:30Z | origin change | AS23724 → AS63199 | 55720693963199 |
| 2026-10-17 05:51:52Z | origin change | AS63199 → AS23724 | 5572023764413423724 |
| 2026-10-17 05:45:14Z | origin change | AS23724 → AS63199 | 55720693963199 |
| 2026-10-17 05:43:11Z | origin change | AS63199 → AS23724 | 5572023764413423724 |
| 2026-10-17 05:35:29Z | origin change | AS23724 → AS63199 | 55720693963199 |
| 2026-10-17 04:57:37Z | origin change | AS63199 → AS23724 | 5572023764413423724 |
| 2026-10-17 04:31:29Z | origin change | AS23724 → AS63199 | 55720693963199 |
| 2026-10-17 04:27:23Z | origin change | AS63199 → AS23724 | 5572023764413423724 |
| 2026-10-17 04:21:46Z | origin change | AS23724 → AS63199 | 55720693963199 |
| 2026-10-17 04:20:45Z | origin change | AS63199 → AS23724 | 5572023764413423724 |
| 2026-10-17 04:19:44Z | origin change | AS23724 → AS63199 | 55720693963199 |
| 2026-10-17 04:17:10Z | origin change | AS63199 → AS23724 | 5572023764413423724 |
| 2026-10-17 04:05:22Z | origin change | AS23724 → AS63199 | 55720693963199 |
| 2026-10-17 03:46:25Z | origin change | AS63199 → AS23724 | 5572023764413423724 |
| 2026-10-17 03:29:31Z | origin change | AS23724 → AS63199 | 55720693963199 |
| 2026-10-17 03:21:50Z | origin change | AS63199 → AS23724 | 5572023764413423724 |
| 2026-10-17 03:16:44Z | origin change | AS23724 → AS63199 | 55720693963199 |
| 2026-10-17 03:11:36Z | origin change | AS63199 → AS23724 | 5572023764413423724 |
| 2026-10-17 03:10:35Z | origin change | AS23724 → AS63199 | 55720693963199 |
| 2026-10-17 03:02:54Z | origin change | AS63199 → AS23724 | 5572023764413423724 |
| 2026-10-17 02:56:15Z | origin change | AS23724 → AS63199 | 55720693963199 |
| 2026-10-17 02:52:40Z | origin change | AS63199 → AS23724 | 5572023764413423724 |
| 2026-10-17 02:41:24Z | origin change | AS23724 → AS63199 | 55720693963199 |
| 2026-10-17 02:36:48Z | origin change | AS63199 → AS23724 | 5572023764413423724 |