Data as of Nov 14, 2026

149.18.21.0/24

1 residential-proxy exit · 30 days

OSNET · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Unknown
Risk
40 / 100 · Medium
Leased space

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Providers
1
selling exits here
Oct 15, 2026 – Nov 13, 2026

Exits seen per day

1 observation

Proxy providers listing exits

  • NovaProxy
IPv4 market

Path

1 · Holder
record created Jan 28, 1992 · reallocated to Smartnet LLC Feb 6, 2023
2 · Leased from
3 · Announced by
AS21559 OSNET
since May 2024 · 2.5 yr ago
4 · Use
Unknown

Lineage

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

149.18.21.0/24

From the registry to its use

  1. Jan 28, 1992
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    149.18.0.0/16
  2. Jul 20, 2021– Jun 8, 2022
    Announced
    AS64286 LogicWeb Inc.
    Hosting
  3. Jul 3, 2022– Jan 17, 2024
    Announced
    AS21559 OSNET
    Internet provider
  4. Feb 6, 2023
    Reallocated
    Smartnet LLC
    Reallocated
    149.18.21.0/24
  5. Jul 13, 2023
    Route object
    LogicWeb
    RADB route object for AS21559 OSNET, maintainer MAINT-AS64286
  6. May 29, 2024– today
    Announced
    AS21559 OSNET
    Internet provider
  7. today
    Leased from
    LogicWeb
    IP 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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
149.18.0.0/1665,536COGENT-149-18-16Cogent Communications, LLC (COGC) · USDirect AllocationJan 28, 1992abuse@cogentco.com
└ 149.18.0.0/1665,536LOGICWEBLogicWeb Inc. (LOGIC-25) · USReallocatedJun 1, 2021abuse@logicweb.com
└ 149.18.21.0/24256LOGICWEBSmartnet LLC (SL-1930) · PRReallocatedFeb 6, 2023—

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Rotating
First seen
Jul 2021
Current origin since
May 2024 · 2.5 yr
Origin networks
2
Last change of origin
Jul 2022
Recorded history

History

Handoffs
1