Data as of Nov 4, 2026
166.1.121.0/24
7 residential-proxy exits · 30 daysF & W Networks Ltd · space held by Ace Data Centers, Inc.
Announced by
Type
Unknown
Risk
40 / 100 · Medium
Leased space
Residential-proxy exits
Proxy exits
7
2.7% of its addresses · 30 days
Always-on exits
2
29% of its exits
Providers
27
selling exits here
Oct 5, 2026 – Nov 3, 2026
Exits seen per day
1.9K observations
Proxy providers listing exits
- 711Proxy
- Ake.net
- B2Proxy
- BirdProxies
- BlurPath
- BottingTools
- CliProxy
- EZProxies
- EnigmaProxy
- FastProxy
- GoProxies
- IPFly
- IPPeak
- Kookey
- LudaxProxy
- MoMoProxy
- NovProxy
- NovaProxy
- Novada
- Proxiware
- ProxyEmpire
- PuraRoute
- RainProxy
- RapidProxy
- RoamProxy
- SwiftProxy
- TalorData
IPv4 market
Path
1 · Holder
record created Jul 10, 2012 · reallocated to Internet Utilities NA LLC Jan 7, 2025
2 · Leased from
4 · Use
Unknown
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 |
|---|---|---|---|---|---|---|
| 166.0.0.0/15 | 131,072 | ACE-NETWORK-10 | Ace Data Centers, Inc. (ADC-96) · US | Direct Allocation | Jul 10, 2012 | [email protected] |
| └ 166.1.120.0/21 | 2,048 | 166-1-120-0-21 | IPXO LLC (IL-845) · US | Reallocated | Apr 20, 2023 | [email protected] |
| └ 166.1.120.0/21 | 2,048 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Jan 7, 2025 | [email protected] |
| └ 166.1.120.0/21 | 2,048 | FW-NETWORKS | unknown | Reassigned | Jan 7, 2025 | [email protected] via 166-1-120-0-21 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 166.1.120.0/21
- Prefix
- 166.1.120.0/21
- Announced by
- AS207645 F & W Networks Ltd
- Type
- Unknown
- Leased from
- IP broker Ace Data Centers, IPXO
- Proxy exits
- 27
- Always-on exits
- 3
- RPKI
- RPKI valid
- Netname
- FW-NETWORKS
- Registrant
- Internet Utilities NA LLC
- RIR
- ARIN
IPv4 market
Holder
- Organization
- Ace Data Centers, Inc.
- Handle
- ADC-96
- Range
- 166.0.0.0/15
- Registration type
- Direct Allocation
- Record created
- Jul 10, 2012
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated range
- 166.1.120.0/21
- Reallocated
- Jan 7, 2025
Origin network
AS207645
GB
- Name
- F & W Networks Ltd
- Type
- Internet provider
- Registered
- Dec 24, 2019
- Domain
- fwnetworks.co.uk
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 166.1.120.0/21
166.1.120.0/21
Routing history
- Pattern
- Rotating
- First seen
- May 2021
- Current origin since
- May 2024 · 2.5 yr
- Origin networks
- 3
- Last change of origin
- May 2024
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 166.1.120.0/21 | AS207645 | /21 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 166.1.120.0/21
- Netname
- FW-NETWORKS
- Registrant
- Internet Utilities NA LLC
- Organization
- Internet Utilities NA LLC (DCL-577)
- Org address
- 2711 Centerville Road, Wilmington, DE, 19808
- Org country
- US
- Type
- Reassigned
- Handle
- NET-166-1-120-0-3
- Parent
- NET-166-1-120-0-2
- Created
- Jan 7, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 10, 2012
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN