38.3.138.0/24
Currently announced by AS199724 TEKNODC, in the routed prefix 38.3.136.0/22.
- Current ASN
- AS199724
- TEKNODC
- Routed prefix
- 38.3.136.0/22
- Most specific route covering this prefix
- ASNs over time
- 2
- 4 announcement records
- RIR allocation
- ARIN
- United States · 38.0.0.0/8
Routing data · Nov 8, 2026, 10:26 UTC
ASN historyEvery routed prefix covering 38.3.138.0/24
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 38.3.138.0/24 | AS174 | Cogent Communications, Inc. |  United States | 2026-11-04 14:25 | 2026-11-04 20:26 | Stopped |
| 38.3.136.0/22 | AS199724 | TEKNODC |  Türkiye | Before monitoring | 2026-11-08 10:26 | Announcing |
| 38.3.136.0/22 | AS174 | Cogent Communications, Inc. | United States | 2026-11-04 14:25 | 2026-11-04 16:24 | Stopped |
| 38.0.0.0/8 | AS174 | Cogent Communications, Inc. | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
More specific routes0 total
No more specific routes inside this prefix.
Change logAll changes
| Detected (UTC) | Prefix | Change | ASN | Name | Previous ASN | Country |
|---|---|---|---|---|---|---|
| 2026-11-04 22:23 | 38.3.138.0/24 | Withdrawal | AS174 | Cogent Communications, Inc. | — | United States |
| 2026-11-04 14:25 | 38.3.138.0/24 | New announcementNo longer announced | AS174 | Cogent Communications, Inc. | — | United States |
| 2026-11-04 14:25 | 38.3.136.0/22 | Origin addedNo longer announced | AS174 | Cogent Communications, Inc. | AS199724 | United States |