142.248.139.0/24 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 |
|---|---|---|---|---|---|
| AS137535 JT TELECOM INTERNATIONAL PTE.LTD. | RPKI valid | 21 | 24482137535 | 2026-09-18 | 2026-10-29 |
| AS7607 JT TELECOM INTERNATIONAL PTE.LTD. | RPKI valid | 1 | 176397607 | 2026-10-09 | 2026-10-29 |
RPKI
7 ROAs cover this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 142.248.136.0/22 | /24 | AS7607 | arin | wrong origin |
| 142.248.136.0/22 | /24 | AS8796 | arin | wrong origin |
| 142.248.136.0/22 | /24 | AS40115 | arin | wrong origin |
| 142.248.136.0/22 | /24 | AS137535 | arin | authorises it |
| 142.248.136.0/22 | /24 | AS140227 | arin | wrong origin |
| 142.248.136.0/22 | /24 | AS153517 | arin | wrong origin |
| 142.248.136.0/22 | /24 | AS395886 | arin | wrong origin |
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 142.248.136.0/22
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 2025-10-10
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 142.248.138.0/23 v4 | AS137535 JT TELECOM INTERNATIONAL PTE.LTD. | RPKI valid | 42 | 70182497137535 | 2026-09-18 |
| 142.248.136.0/22 v4 | AS137535 JT TELECOM INTERNATIONAL PTE.LTD. | RPKI valid | 42 | 70182497137535 | 2026-09-18 |
| 142.248.136.0/22 v4 | AS8796 FASTNET DATA INC | RPKI valid | 1 | 4439335710100998796 | 2026-09-24 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-27 08:09:13Z | origin change | AS7607 → AS137535 | 4967320485137535 |
| 2026-10-24 13:09:22Z | origin change | AS137535 → AS7607 | 176397607 |
| 2026-10-23 20:05:30Z | origin change | AS7607 → AS137535 | 24482137535 |
| 2026-10-23 14:39:32Z | origin change | AS137535 → AS7607 | 176397607 |
| 2026-10-23 14:38:00Z | origin change | AS7607 → AS137535 | 3492752025642896294369392497137535 |
| 2026-10-23 14:37:57Z | origin change | AS137535 → AS7607 | 17639930494987607 |
| 2026-10-23 14:37:41Z | origin change | AS137535 → AS7607 | 2040922076629169352807607 |
| 2026-10-23 14:37:41Z | origin change | AS7607 → AS137535 | 20409220766291693528064532497137535 |
| 2026-10-23 14:37:34Z | origin change | AS7607 → AS137535 | 44393401753348726014464532497137535 |
| 2026-10-23 14:37:33Z | origin change | AS7607 → AS137535 | 140357764532497137535 |
| 2026-10-23 14:37:33Z | origin change | AS137535 → AS7607 | 244827607 |
| 2026-10-23 14:37:33Z | origin change | AS137535 → AS7607 | 2040922076629169352807607 |
| 2026-10-23 14:35:46Z | origin change | AS7607 → AS137535 | 6121869392497137535 |
| 2026-10-22 03:19:22Z | origin change | AS137535 → AS7607 | 176397607 |
| 2026-10-21 16:11:11Z | origin change | AS7607 → AS137535 | 6121869392497137535 |
| 2026-10-21 12:18:43Z | origin change | AS137535 → AS7607 | 176397607 |
| 2026-10-19 09:44:36Z | origin change | AS7607 → AS137535 | 3772112732497137535 |
| 2026-10-18 12:33:20Z | origin change | AS137535 → AS7607 | 176397607 |