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Data as of Nov 5, 2026

149.88.211.0/24

Anonymizer · ISP proxy

SkyQuantum Internet Service · reallocated from Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS55201
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
Cogent Communications, LLC
record created Jan 28, 1992 · reallocated to SkyQuantum Internet Service May 8, 2024
2 · Leased from
Cogent Communications, LLC
its owner, directly
3 · Announced by
AS55201 SkyQuantum Internet Service
since Jul 2025 · 16 mo ago
4 · Use
Proxy providersnamed SkyQuantum
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 149.88.211.0/24/24s
SkyQuantum
256100%
1
Leased from

Owners leasing their own space

NameIn 149.88.211.0/24/24s
Cogent Communications, LLC
256100%
1

Lineage

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

149.88.211.0/24

From the registry to its use

  1. Jan 28, 1992
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    149.88.0.0/16
  2. Nov 23, 2023
    Route object
    AS328543 Sun Network Company Limited
    RADB route object for AS328543 Sun Network Company Limited, maintainer MAINT-AS134823
  3. Jan 30, 2024– Feb 10, 2024
    Announced
    AS150698 Chandpur Online Systems
    Internet provider
  4. Feb 11, 2024– May 16, 2024
    Announced
    AS197537 Wisdom Cloud Internet Technology Pte. Ltd.
    Hosting
  5. May 5, 2024– Jul 10, 2025
    Announced
    AS7018 AT&T Enterprises, LLC
    Internet provider
  6. May 8, 2024
    Reallocated
    SkyQuantum Internet Service
    Reallocated
    149.88.211.0/24
  7. Dec 17, 2024
    Route object
    AS7018 AT&T Enterprises, LLC
    RADB route object for AS7018 AT&T Enterprises, LLC, maintainer MAINT-AS55201
  8. Jul 11, 2025
    Route object
    AS55201 SkyQuantum Internet Service
    RADB route object for AS55201 SkyQuantum Internet Service, maintainer MAINT-AS55201
  9. Jul 11, 2025– today
    Announced
    AS55201 SkyQuantum Internet Service
    Hosting
  10. Apr 8, 2026
    Route object
    AS9304 HGC Global Communications Limited
    RADB route object for AS9304 HGC Global Communications Limited, maintainer MAINT-AS9304
  11. Apr 8, 2026
    Route object
    AS9304 HGC Global Communications Limited
    NTTCOM route object for AS9304 HGC Global Communications Limited, maintainer MAINT-AS9304
  12. Sep 9, 2026
    Route object
    AS63450 Ether Web Network, Inc.
    RADB route object for AS63450 Ether Web Network, Inc., maintainer MAINT-AS55201
  13. today
    Used
    SkyQuantum
    Proxy seller

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
149.88.0.0/1665,536COGENT-149-88-16Cogent Communications, LLC (COGC) · USDirect AllocationJan 28, 1992abuse@cogentco.com
└ 149.88.192.0/198,192WISDOM-CLOUD-CGNT-NET-3Wisdom Cloud Internet Technology Pte. Ltd (WCITPL) · SGReallocatedNov 20, 2023abuse@wisdomisp.com
└ 149.88.211.0/24256NET-149-88-211-0SkyQuantum Internet Service (SISL-43) · USReallocatedMay 8, 2024abuse@adsl.cat

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Cogent Communications, LLC
Handle
COGC
Range
149.88.0.0/16
Registration type
Direct Allocation
Record created
Jan 28, 1992
Legacy
yes
Reallocated to
SkyQuantum Internet Service (SISL-43)
Reallocated range
149.88.211.0/24
Reallocated
May 8, 2024
Origin network

AS55201

US
Name
SkyQuantum Internet Service
Type
Hosting
Registered
Oct 11, 2023
Domain
adsl.cat
Website
adsl.cat
Spamhaus ASN-DROP
not listed