41.75.221.0/24 no ROA 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 |
|---|---|---|---|---|---|
| AS37133 Airtel Tanzania | no ROA | 40 | 345493710032770837133 | 2026-09-18 | 2026-09-30 |
| AS327708 Airtel Rwanda Ltd | no ROA | 1 | 37721327708 | 2026-09-30 | 2026-09-30 |
RPKI
No ROA covers this prefix
No ROA covers this prefix, so origin validation returns "unknown". That is not a fault; most of the table is still unsigned.
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 41.75.208.0/20
- RIR
- AFRINIC
- Country
- 🇹🇿 TZ
- Status
- allocated
- Allocated
- 2009-08-31
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 41.75.220.0/22 v4 | AS37133 Airtel Tanzania | no ROA | 41 | 3772132770837133 | 2026-09-18 |
| 41.75.208.0/20 v4 | AS37133 Airtel Tanzania | no ROA | 41 | 3772132770837133 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-09-30 12:11:25Z | origin change | AS327708 → AS37133 | 85232573710032770837133 |
| 2026-09-30 11:45:38Z | origin change | AS37133 → AS327708 | 37721327708 |
| 2026-09-30 04:57:54Z | origin change | AS327708 → AS37133 | 85232573710032770837133 |
| 2026-09-30 04:41:52Z | origin change | AS37133 → AS327708 | 37721327708 |