66.78.0.0/18
Currently announced by AS21769 Colocation America AS21769, in the routed prefix 66.78.0.0/18.
- Current ASN
- AS21769
- Colocation America AS21769
- Routed prefix
- 66.78.0.0/18
- Most specific route covering this prefix
- ASNs over time
- 1
- 1 announcement record
- RIR allocation
- ARIN
- United States · 66.78.0.0/18
Routing data · Nov 1, 2026, 20:20 UTC
ASN historyEvery routed prefix covering 66.78.0.0/18
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 66.78.0.0/18 | AS21769 | Colocation America AS21769 |  United States | Before monitoring | 2026-11-01 20:20 | Announcing |
More specific routes35 total
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 66.78.8.0/24 | AS54103 | MOD Mission Critical | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.9.0/24 | AS54103 | MOD Mission Critical | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.10.0/24 | AS54103 | MOD Mission Critical | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.12.0/24 | AS54103 | MOD Mission Critical | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.13.0/24 | AS54103 | MOD Mission Critical | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.14.0/24 | AS54103 | MOD Mission Critical | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.15.0/24 | AS54103 | MOD Mission Critical | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.16.0/23 | AS9009 | M247 Global |  Romania | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.18.0/24 | AS47007 | Colocation America AS47007 | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.19.0/24 | AS47007 | Colocation America AS47007 | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.20.0/24 | AS47007 | Colocation America AS47007 | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.21.0/24 | AS47007 | Colocation America AS47007 | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.22.0/24 | AS47007 | Colocation America AS47007 | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.23.0/24 | AS47007 | Colocation America AS47007 | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.24.0/24 | AS47007 | Colocation America AS47007 | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.25.0/24 | AS47007 | Colocation America AS47007 | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.36.0/24 | AS21859 | Zenlayer Edge Cloud Network - AS21859 | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.37.0/24 | AS21859 | Zenlayer Edge Cloud Network - AS21859 | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.38.0/24 | AS20473 | The Constant Company | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.39.0/24 | AS214054 | CHARTVPS-1 |  Canada | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.40.0/24 | AS215659 | Kyun | Romania | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.41.0/24 | AS401605 | Web Host Most, LLC | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.43.0/24 | AS47007 | Colocation America AS47007 | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.44.0/24 | AS40676 | Psychz Networks | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.45.0/24 | AS16509 | Amazon.com | United States | 2026-10-20 10:22 | 2026-11-01 20:20 | Announcing |
| 66.78.46.0/24 | AS19446 | 3Z Canada | Canada | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.47.0/24 | AS47007 | Colocation America AS47007 | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.50.0/23 | AS174 | Cogent Communications, Inc. | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.52.0/24 | AS136809 | FAST ZONE IT |  Bangladesh | 2026-10-30 18:22 | 2026-11-01 20:20 | Announcing |
| 66.78.54.0/23 | AS174 | Cogent Communications, Inc. | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.58.0/24 | AS47007 | Colocation America AS47007 | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.59.0/24 | AS59253 | Leaseweb Singapore |  Singapore | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.60.0/24 | AS47007 | Colocation America AS47007 | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.61.0/24 | AS47007 | Colocation America AS47007 | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
| 66.78.62.0/24 | AS47007 | Colocation America AS47007 | United States | Before monitoring | 2026-11-01 20:20 | Announcing |
Change logAll changes
The routes covering this address have had no origin changes since ASNBase started monitoring.