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Data as of Nov 6, 2026

64.84.40.0/23

No anonymizer space · no proxy exits in 30 days

Quinstreet, Inc. · space held by NACIO Systems, Inc.

Announcement
this exact prefix
No RPKI
Announced by
AS25878
Type
Unknown
Risk
0 / 100 · Low
IPv4 market

Path

1 · Holder
NACIO Systems, Inc.
record created May 3, 2000
2 · Leased from
IPXO
3 · Announced by
AS25878 Quinstreet, Inc.
since Oct 2023 · 3.1 yr ago
4 · Use
Unknown

Lineage

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

64.84.40.0/23

From the registry to its use

  1. May 3, 2000
    Registry record
    NACIO Systems, Inc.
    Direct Allocation
    64.84.0.0 - 64.84.95.255
  2. Aug 30, 2023
    Assigned
    QUINSTREET
    Reassigned
    64.84.40.0/23
  3. Oct 14, 2023– today
    Announced
    AS25878 Quinstreet, Inc.
    Business
  4. Dec 16, 2023
    Route object
    AS25878 Quinstreet, Inc.
    RADB route object for AS25878 Quinstreet, Inc., maintainer MAINT-AS32504
  5. today
    Leased from
    IPXO
    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
64.84.0.0 - 64.84.95.25524,576INTEL-1000NACIO Systems, Inc. (MSLK) · USDirect AllocationMay 3, 2000arinsupport@intelletrace.com
└ 64.84.40.0/23512NET-64-84-40-0QUINSTREET (QUINS-10) · USReassignedAug 30, 2023hblandford@quinstreet.com

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
NACIO Systems, Inc.
Handle
MSLK
Range
64.84.0.0 - 64.84.95.255
Registration type
Direct Allocation
Record created
May 3, 2000
Origin network

AS25878

US
Name
Quinstreet, Inc.
Type
Business
Registered
Oct 22, 2007
Domain
quinstreet.com
Industry
Computer and Information Technology
Spamhaus ASN-DROP
not listed