Data as of Nov 10, 2026
173.243.166.0/24
1 residential-proxy exit · 30 daysFirstLight Fiber, Inc. · space held by FirstLight Networks, LLC
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
2
selling exits here
Oct 11, 2026 – Nov 9, 2026
Exits seen per day
2 observations
Proxy providers listing exits
- FastProxy
- LemonBright
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 173.243.160.0/20 | 4,096 | FLNET-40 | FirstLight Networks, LLC (FNL-76) · US | Direct Allocation | Jun 3, 2010 | ipabuse@ |
| └ 173.243.166.64/29 | 8 | 173-243-166-64-29 | unknown | — | — | — |
| └ 173.243.166.72/29 | 8 | 173-243-166-72-29 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 173.243.160.0/20
- Prefix
- 173.243.160.0/20
- Announced by
- AS13536 FirstLight Fiber, Inc.
- Type
- Business
- Proxy exits
- 23
- Always-on exits
- 2
- RPKI
- RPKI valid
- Netname
- FLNET-40
- Registrant
- FirstLight Networks, LLC
- RIR
- ARIN
Origin network
AS13536
US
- Name
- FirstLight Fiber, Inc.
- Type
- Internet provider
- Registered
- Jun 30, 1999
- Domain
- firstlight.net
- Website
- www.firstlight.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 32
Routing timeline
Who has announced 173.243.160.0/20
173.243.160.0/20
Routing history
- Pattern
- Stable
- First seen
- Jun 2010
- Current origin since
- Jun 2010 · 16 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 173.243.160.0/20 | AS13536 | /24 | ARIN | RPKI valid |
IRR
Route objects on 173.243.160.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS13536 | ARIN | FIRSTLIGHT-NET-173-243-160-0-20 | MNT-FNL-76 | Apr 22, 2026 |
Whois
Registration for this announcement
- Range
- 173.
243. 160. 0/ 20 - Netname
- FLNET-40
- 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-173-243-160-0-1
- Parent
- NET-173-0-0-0-0
- Created
- Jun 3, 2010
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 3, 2010
- Status
- assigned
Report abuse
Abuse contact
- ipabuse@
firstlight. net - Name
- Abuse
- Phone
- +1-518-694-8790
- Handle
- ABUSE719-ARIN