Data as of Nov 13, 2026

149.51.112.0/21

Anonymizer · ISP proxy

Ether Web Network, Inc. · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Sep 28, 2026
from AS55201 SkyQuantum Internet Service
IPv4 market

Path

Announced by AS63450 since Sep 28, 2026 · 7 wk ago
1 · Holder
record created Jan 28, 1992 · reallocated to Wisdom Cloud Internet Technology Pte. Ltd Dec 29, 2025
2 · Leased from
its owner, directly
3 · Announced by
AS63450 Ether Web Network, Inc.
since Sep 28, 2026 · 7 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 149.51.112.0/21/24s
Cogent Communications, LLC
2,048100%
8

Lineage

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

149.51.112.0/21

From the registry to its use

  1. Jan 28, 1992
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    149.51.0.0/16
  2. Sep 15, 2006– today
    Announced
    AS174 Cogent Communications, LLC
    as part of 149.50.0.0/15
    149.50.0.0/15
  3. May 28, 2022– Aug 7, 2022
    Announced
    AS398465 Rackdog, LLC
    Hosting
  4. Jul 27, 2022– Aug 7, 2022
    Announced
    AS980 Northern Cable and Fiber, LLC
  5. Dec 29, 2025
    Reallocated
    Wisdom Cloud Internet Technology Pte. Ltd
    Reallocated
    149.51.64.0/18
  6. Feb 3, 2026
    Route object
    AS197537 Wisdom Cloud Internet Technology Pte. Ltd.
    RADB route object for AS197537 Wisdom Cloud Internet Technology Pte. Ltd., maintainer MAINT-AS55201
    149.51.112.0/24
  7. Feb 3, 2026
    Route object
    AS197537 Wisdom Cloud Internet Technology Pte. Ltd.
    RADB route object for AS197537 Wisdom Cloud Internet Technology Pte. Ltd., maintainer MAINT-AS55201
    149.51.113.0/24
  8. Feb 3, 2026
    Route object
    AS197537 Wisdom Cloud Internet Technology Pte. Ltd.
    RADB route object for AS197537 Wisdom Cloud Internet Technology Pte. Ltd., maintainer MAINT-AS55201
    149.51.114.0/24
  9. Feb 3, 2026
    Route object
    AS197537 Wisdom Cloud Internet Technology Pte. Ltd.
    RADB route object for AS197537 Wisdom Cloud Internet Technology Pte. Ltd., maintainer MAINT-AS55201
    149.51.115.0/24
  10. Feb 3, 2026
    Route object
    AS197537 Wisdom Cloud Internet Technology Pte. Ltd.
    RADB route object for AS197537 Wisdom Cloud Internet Technology Pte. Ltd., maintainer MAINT-AS55201
    149.51.116.0/24
  11. Feb 3, 2026
    Route object
    AS197537 Wisdom Cloud Internet Technology Pte. Ltd.
    RADB route object for AS197537 Wisdom Cloud Internet Technology Pte. Ltd., maintainer MAINT-AS55201
    149.51.117.0/24
  12. Feb 3, 2026
    Route object
    AS197537 Wisdom Cloud Internet Technology Pte. Ltd.
    RADB route object for AS197537 Wisdom Cloud Internet Technology Pte. Ltd., maintainer MAINT-AS55201
    149.51.118.0/24
  13. Feb 3, 2026
    Route object
    AS197537 Wisdom Cloud Internet Technology Pte. Ltd.
    RADB route object for AS197537 Wisdom Cloud Internet Technology Pte. Ltd., maintainer MAINT-AS55201
    149.51.119.0/24
  14. Mar 12, 2026
    Route object
    AS55201 SkyQuantum Internet Service
    RADB route object for AS55201 SkyQuantum Internet Service, maintainer MAINT-AS55201
    149.51.118.0/24
  15. Mar 12, 2026
    Route object
    AS55201 SkyQuantum Internet Service
    RADB route object for AS55201 SkyQuantum Internet Service, maintainer MAINT-AS55201
    149.51.119.0/24
  16. Aug 3, 2026
    Route object
    AS202736 Wisdom Cloud Internet Technology Pte. Ltd.
    RADB route object for AS202736 Wisdom Cloud Internet Technology Pte. Ltd., maintainer MAINT-AS55201
    149.51.118.0/24
  17. Aug 5, 2026
    Route object
    AS6939 Hurricane Electric LLC
    RADB route object for AS6939 Hurricane Electric LLC, maintainer MAINT-AS55201
    149.51.118.0/24
  18. Sep 9, 2026
    Route object
    AS63450 Ether Web Network, Inc.
    RADB route object for AS63450 Ether Web Network, Inc., maintainer MAINT-AS55201
  19. Sep 28, 2026– Oct 9, 2026
    Announced
    AS55201 SkyQuantum Internet Service
    Hosting
  20. Sep 28, 2026– today
    Announced
    AS63450 Ether Web Network, Inc.
    Internet provider

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsRPKI
149.50.0.0/15
since Sep 2006
AS174Internet providerIP broker Rackdog (part)3,256
888 always on

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
149.51.0.0/1665,536COGENT-149-51-16Cogent Communications, LLC (COGC) · USDirect AllocationJan 28, 1992abuse@cogentco.com
└ 149.51.64.0/1816,384WISDOM-CLOUD-CGNT-NET-12Wisdom Cloud Internet Technology Pte. Ltd (WCITPL) · SGReallocatedDec 29, 2025abuse@wisdomisp.com

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Rotating
First seen
May 2022
Current origin since
Sep 28, 2026 · 2 mo
Origin networks
4
Last change of origin
Sep 28, 2026
Recorded history

History

Handoffs
3