Data as of Nov 13, 2026
66.186.166.0/24
No anonymizer space · no proxy exits in 30 daysFirstLight Fiber, Inc. · space held by FirstLight Networks, LLC
Network & registry
Announced by
Covering announcement 66.186.160.0/19
- Prefix
- 66.186.160.0/19
- Announced by
- AS21547 FirstLight Fiber, Inc.
- Type
- Business
- Proxy exits
- 18
- Always-on exits
- 4
- RPKI
- RPKI valid
- Netname
- FLNET-18
- Registrant
- FirstLight Networks, LLC
- RIR
- ARIN
Origin network
AS21547
US
- Name
- FirstLight Fiber, Inc.
- Type
- Internet provider
- Registered
- May 21, 2001
- Domain
- firstlight.net
- Website
- www.firstlight.net
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 66.186.160.0/19
66.186.160.0/19
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 66.186.160.0/19 | AS21547 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 66.
186. 160. 0/ 19 - Netname
- FLNET-18
- Registrant
- FirstLight Networks, LLC
- Organization
- FirstLight Networks, LLC (FNL-76)
- Org address
- 12 Metro Park Road, Albany, NY, 12205
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-66-186-160-0-1
- Parent
- NET-66-0-0-0-0
- Created
- Nov 8, 2001
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 8, 2001
- Status
- assigned
Report abuse
Abuse contact
- ipabuse@
firstlight. net - Name
- Abuse
- Phone
- +1-518-694-8790
- Handle
- ABUSE719-ARIN