Data as of Nov 6, 2026

166.88.173.0/24

Anonymizer · ISP proxy1 residential-proxy exit · 30 days

RCN · reallocated from Ace Data Centers II, L.L.C.

Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Providers
6
selling exits here
Oct 7, 2026 – Nov 5, 2026

Exits seen per day

127 observations

Proxy providers listing exits

  • CatProxies
  • ColaProxy
  • IPRoyal
  • NextProxy
  • ProxyRack
  • Thordata
IPv4 market

Path

1 · Holder
record created Oct 26, 2012 · reallocated to RCN Oct 26, 2025
2 · Leased from
3 · Announced by
AS6079 RCN
since Oct 2025 · 12 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 166.88.173.0/24/24s
Ace Data Centers
256100%
1

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

166.88.173.0/24

From the registry to its use

  1. Oct 26, 2012
    Registry record
    Ace Data Centers II, L.L.C.
    Direct Allocation
    166.88.0.0/16
  2. Jul 27, 2022– Jun 3, 2023
    Announced
    AS399114 Hyonix
    Hosting
  3. May 23, 2023– Aug 2, 2023
    Announced
    AS1239 Cogent Communications, LLC
  4. May 5, 2024– Feb 28, 2025
    Announced
    AS212238 Datacamp Limited
    Hosting
  5. Apr 30, 2025– Aug 3, 2025
    Announced
    AS401152 Ace Data Centers II, L.L.C.
    Hosting
  6. Oct 26, 2025
    Reallocated
    RCN
    Reallocated
    166.88.173.0/24
  7. Oct 26, 2025
    Route object
    AS6079 RCN
    ARIN route object for AS6079 RCN, maintainer MNT-ADCIL
  8. Oct 27, 2025– today
    Announced
    AS6079 RCN
    Internet provider
  9. today
    Leased from
    Ace Data Centers
    IP broker
  10. today
    Leased from
    InterLIR
    Lessor

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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
166.88.0.0/1665,536ADCILAce Data Centers II, L.L.C. (ADCIL) · USDirect AllocationOct 26, 2012ipabuse@acedatacenter.com
└ 166.88.173.0/24256INTERLIRInterLIR LLC (IL-892) · USReallocatedOct 25, 2025ripe@interlir.com
└ 166.88.173.0/24256RTSL-6RCN (RTSL-6) · USReallocatedOct 26, 2025abuse@rcn.com

Network & registry

IPv4 market

Holder

Organization
Ace Data Centers II, L.L.C.
Handle
ADCIL
Range
166.88.0.0/16
Registration type
Direct Allocation
Record created
Oct 26, 2012
Reallocated to
RCN (RTSL-6)
Reallocated range
166.88.173.0/24
Reallocated
Oct 26, 2025
Origin network

AS6079

US
Name
RCN
Type
Internet provider
Registered
Apr 4, 2001
Domain
astound.com
Website
www.astound.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed