155.178.0.0/16 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 |
|---|---|---|---|---|---|
| AS22773 Cox Communications Inc. | no ROA | 27 | 34549129922773 | 2026-09-18 | 2026-10-29 |
| AS4046 Federal Aviation Administration | no ROA | 15 | 580571744046 | 2026-09-18 | 2026-10-29 |
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
- 155.178.0.0/16
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1991-11-15
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
7 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 155.178.0.0/17 v4 | AS4046 Federal Aviation Administration | no ROA | 43 | 2026-09-18 |
| 155.178.6.0/24 v4 | AS4046 Federal Aviation Administration | no ROA | 42 | 2026-09-18 |
| 155.178.32.0/23 v4 | AS4046 Federal Aviation Administration | no ROA | 44 | 2026-09-18 |
| 155.178.34.0/24 v4 | AS4046 Federal Aviation Administration | no ROA | 44 | 2026-09-18 |
| 155.178.69.0/24 v4 | AS1803 Cogent Communications, LLC | no ROA | 42 | 2026-09-18 |
| 155.178.70.0/24 v4 | AS1803 Cogent Communications, LLC | no ROA | 42 | 2026-09-18 |
| 155.178.128.0/17 v4 | AS4046 Federal Aviation Administration | no ROA | 43 | 2026-09-18 |
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-29 08:35:46Z | origin change | AS4046 → AS22773 | 4943248362129922773 |
| 2026-10-29 06:33:54Z | origin change | AS22773 → AS4046 | 140357733564046 |
| 2026-10-28 18:22:39Z | origin change | AS4046 → AS22773 | 50300325722773 |
| 2026-10-28 18:11:54Z | origin change | AS22773 → AS4046 | 3288403277271744046 |
| 2026-10-28 08:03:46Z | origin change | AS4046 → AS22773 | 37721693922773 |
| 2026-10-28 00:44:00Z | origin change | AS22773 → AS4046 | 140357733564046 |
| 2026-10-28 00:43:56Z | origin change | AS4046 → AS22773 | 1403577129922773 |
| 2026-10-28 00:43:40Z | origin change | AS22773 → AS4046 | 354933564046 |
| 2026-10-28 00:43:38Z | origin change | AS22773 → AS4046 | 13282533564046 |
| 2026-10-28 00:43:38Z | origin change | AS4046 → AS22773 | 55720325722773 |
| 2026-10-28 00:43:32Z | origin change | AS4046 → AS22773 | 1403577129922773 |
| 2026-10-28 00:43:11Z | origin change | AS22773 → AS4046 | 1763933564046 |
| 2026-10-28 00:43:08Z | origin change | AS4046 → AS22773 | 557202914129922773 |
| 2026-10-28 00:43:07Z | origin change | AS22773 → AS4046 | 1328251744046 |
| 2026-10-28 00:43:05Z | origin change | AS4046 → AS22773 | 1403577129922773 |
| 2026-10-28 00:43:03Z | origin change | AS22773 → AS4046 | 140357733564046 |
| 2026-10-28 00:42:50Z | origin change | AS4046 → AS22773 | 14907129922773 |
| 2026-10-28 00:42:45Z | origin change | AS22773 → AS4046 | 24482291433564046 |
| 2026-10-27 08:09:22Z | origin change | AS4046 → AS22773 | 4967320485129922773 |
| 2026-10-27 04:17:01Z | origin change | AS22773 → AS4046 | 3288403277271744046 |
| 2026-10-27 01:06:10Z | origin change | AS4046 → AS22773 | 4943248362129922773 |
| 2026-10-26 17:28:12Z | origin change | AS22773 → AS4046 | 3800134911744046 |
| 2026-10-26 10:44:24Z | origin change | AS4046 → AS22773 | 37721693922773 |
| 2026-10-26 02:40:11Z | origin change | AS22773 → AS4046 | 3288403277271744046 |
| 2026-10-25 12:30:41Z | origin change | AS4046 → AS22773 | 5782112586325722773 |
| 2026-10-25 05:21:24Z | origin change | AS22773 → AS4046 | 3288403277271744046 |
| 2026-10-24 21:15:57Z | origin change | AS4046 → AS22773 | 5805734549129922773 |
| 2026-10-24 20:35:06Z | origin change | AS22773 → AS4046 | 345491744046 |
| 2026-10-24 20:26:25Z | origin change | AS4046 → AS22773 | 20649934549129922773 |
| 2026-10-24 20:20:19Z | origin change | AS22773 → AS4046 | 58057345491744046 |
| 2026-10-24 17:26:31Z | origin change | AS4046 → AS22773 | 852325722773 |
| 2026-10-24 02:48:19Z | origin change | AS22773 → AS4046 | 24482291433564046 |
| 2026-10-24 01:41:19Z | origin change | AS4046 → AS22773 | 50300325722773 |
| 2026-10-23 20:06:33Z | origin change | AS22773 → AS4046 | 24482291433564046 |
| 2026-10-23 07:59:15Z | origin change | AS4046 → AS22773 | 4913453356693922773 |
| 2026-10-23 06:31:00Z | origin change | AS22773 → AS4046 | 29504393921744046 |
| 2026-10-22 12:53:28Z | origin change | AS4046 → AS22773 | 46087575129922773 |
| 2026-10-22 12:34:51Z | origin change | AS22773 → AS4046 | 140357733564046 |
| 2026-10-22 11:06:52Z | origin change | AS4046 → AS22773 | 46087575129922773 |
| 2026-10-22 03:20:33Z | origin change | AS22773 → AS4046 | 1763933564046 |
| 2026-10-21 16:11:34Z | origin change | AS4046 → AS22773 | 61218693922773 |
| 2026-10-21 05:32:45Z | origin change | AS22773 → AS4046 | 140357733564046 |
| 2026-10-20 21:20:09Z | origin change | AS4046 → AS22773 | 37721693922773 |
| 2026-10-20 17:13:32Z | origin change | AS22773 → AS4046 | 3288403277271744046 |
| 2026-10-20 11:05:55Z | origin change | AS4046 → AS22773 | 46087575129922773 |
| 2026-10-20 10:02:06Z | origin change | AS22773 → AS4046 | 3288403277271744046 |
| 2026-10-20 08:44:52Z | origin change | AS4046 → AS22773 | 4943248362129922773 |
| 2026-10-20 00:05:34Z | origin change | AS22773 → AS4046 | 216285828067621744046 |
| 2026-10-19 21:04:00Z | origin change | AS4046 → AS22773 | 4943248362129922773 |
| 2026-10-19 11:39:36Z | origin change | AS22773 → AS4046 | 138309711744046 |