Data as of Nov 3, 2026

74.201.90.0/23

No anonymizer space · no proxy exits in 30 days

Cisco Systems Ironport Division · space held by PF IPV4 Borrower, LLC

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

Path

1 · Holder
record created Nov 13, 2006
2 · Leased from
3 · Announced by
AS16417 Cisco Systems Ironport Division
since May 2011 · 15.5 yr ago
4 · Use
Business

Lineage

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

74.201.90.0/23

From the registry to its use

  1. Nov 13, 2006
    Registry record
    PF IPV4 Borrower, LLC
    Direct Allocation
    74.201.64.0 - 74.201.171.255
  2. Jun 1, 2007– Aug 15, 2007
    Announced
    AS12179 Unitas Global
    as part of 74.201.80.0/20
    74.201.80.0/20
  3. Aug 22, 2007– today
    Announced
    AS12182 Unitas Global
    as part of 74.201.80.0/20
    74.201.80.0/20
  4. Mar 22, 2008– May 1, 2011
    Announced
    AS30214 Cisco Systems Ironport Division
  5. Mar 25, 2008
    Route object
    AS30214 Cisco Systems Ironport Division
    RADB route object for AS30214 Cisco Systems Ironport Division, maintainer MAINT-AS1828
  6. Apr 30, 2011
    Route object
    AS16417 Cisco Systems Ironport Division
    RADB route object for AS16417 Cisco Systems Ironport Division, maintainer MAINT-AS1828
  7. May 8, 2011– today
    Announced
    AS16417 Cisco Systems Ironport Division
    Business
  8. today
    Leased from
    IPv4.Global
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromHolderRPKI
74.201.80.0/20
since Aug 2007
AS12182UnknownIP broker IPv4.GlobalPF IPV4 Borrower, LLC

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
74.201.64.0 - 74.201.171.25527,648UG-210PF IPV4 Borrower, LLC (PIHL-4) · USDirect AllocationNov 13, 2006[email protected]
└ 74.201.90.0/23512INAP-SJE-GSPEED-74-201-90-0unknownReassignedJun 29, 2018[email protected]
via UG-210

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

IPv4 market

Holder

Organization
PF IPV4 Borrower, LLC
Handle
PIHL-4
Range
74.201.64.0 - 74.201.171.255
Registration type
Direct Allocation
Record created
Nov 13, 2006
Origin network

AS16417

US
Name
Cisco Systems Ironport Division
Type
Business
Registered
Jun 22, 2005
Domain
cisco.com
Website
www.cisco.com
Industry
Computer and Information Technology
Spamhaus ASN-DROP
not listed