38.4.238.0/23
Currently announced by AS274419 LEONARDO DANIEL REYES CASTILLO, in the routed prefix 38.4.238.0/23.
- Current ASN
- AS274419
- LEONARDO DANIEL REYES CASTILLO
- Routed prefix
- 38.4.238.0/23
- Most specific route covering this prefix
- ASNs over time
- 2
- 2 announcement records
- RIR allocation
- ARIN
- United States · 38.0.0.0/8
Routing data · Nov 1, 2026, 22:23 UTC
ASN historyEvery routed prefix covering 38.4.238.0/23
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 38.4.238.0/23 | AS274419 | LEONARDO DANIEL REYES CASTILLO |  Mexico | 2026-10-27 06:18 | 2026-11-01 22:23 | Announcing |
| 38.0.0.0/8 | AS174 | Cogent Communications, Inc. |  United States | Before monitoring | 2026-11-01 22:23 | Announcing |
More specific routes2 total
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 38.4.238.0/24 | AS274419 | LEONARDO DANIEL REYES CASTILLO | Mexico | 2026-10-27 06:18 | 2026-11-01 22:23 | Announcing |
| 38.4.239.0/24 | AS274419 | LEONARDO DANIEL REYES CASTILLO | Mexico | 2026-10-27 06:18 | 2026-11-01 22:23 | Announcing |
Change logAll changes
| Detected (UTC) | Prefix | Change | ASN | Name | Previous ASN | Country |
|---|---|---|---|---|---|---|
| 2026-10-29 02:22 | 38.4.238.0/23 | WithdrawalAnnounced again | AS274419 | LEONARDO DANIEL REYES CASTILLO | — | Mexico |
| 2026-10-27 06:18 | 38.4.238.0/23 | New announcement | AS274419 | LEONARDO DANIEL REYES CASTILLO | — | Mexico |