Data as of Nov 5, 2026
166.1.120.0/21
28 residential-proxy exits · 30 daysF & W Networks Ltd · space held by Ace Data Centers, Inc.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Unknown
Risk
40 / 100 · Medium
Leased space
Residential-proxy exits
Proxy exits
28
1.4% of its addresses · 30 days
Always-on exits
3
11% of its exits
Spread
8 of 8
/24s with at least one exit
Providers
41
selling exits here
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
8.3K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 166.1.121.0/24 | 2 | 7 | |
| 166.1.120.0/24 | 1 | 4 | |
| 166.1.125.0/24 | 0 | 6 | |
| 166.1.127.0/24 | 0 | 4 | |
| 166.1.122.0/24 | 0 | 3 | |
| 166.1.126.0/24 | 0 | 2 | |
| 166.1.123.0/24 | 0 | 1 | |
| 166.1.124.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Extract
- 711Proxy
- Ake.net
- B2Proxy
- BartProxies
- BirdProxies
- BlurPath
- BottingTools
- Byteful
- CliProxy
- DataImpulse
- Decodo
- EZProxies
- EnigmaProxy
- FastProxy
- FlashProxy
- FlexyProxies
- GloryCloud
- GoProxies
- IPFly
- IPPeak
- Kookey
- LudaxProxy
- MoMoProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- Proxio
- Proxiware
- ProxyEmpire
- ProxyRack
- Proxyma
- PuraRoute
- RainProxy
- RapidProxy
- RoamProxy
- SwiftProxy
- TalorData
- ThunderProxy
- VantageProxies
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
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
166.1.120.0/21
From the registry to its use
- Jul 10, 2012Registry recordAce Data Centers, Inc.Direct Allocation166.0.0.0/15
- May 9, 2021– Jun 1, 2021
- May 12, 2021Route objectAS399553 Trustmark Health BenefitsARIN route object for AS399553 Trustmark Health Benefits, maintainer MNT-ADC-96
- Mar 12, 2023– May 4, 2024AnnouncedAS211178 Full Fibre Limited
- May 17, 2024– today
- Jan 7, 2025ReallocatedInternet Utilities NA LLCReallocated166.1.120.0/21
- Jan 7, 2025Route objectIPXOARIN route object for AS207645 F & W Networks Ltd, maintainer MNT-DCL-577
- todayLeased fromAce Data CentersIP broker
- todayLeased fromIPXOIP broker
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, 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 | ipabuse@ |
| └ 166.1.120.0/21 | 2,048 | 166-1-120-0-21 | IPXO LLC (IL-845) · US | Reallocated | Apr 20, 2023 | abuse@ |
| └ 166.1.120.0/21 | 2,048 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Jan 7, 2025 | report@ |
| └ 166.1.120.0/21 | 2,048 | FW-NETWORKS | unknown | Reassigned | Jan 7, 2025 | report@ 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
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 this prefix
Summary
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
- report@
abuseradar. com - Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN