Data as of Nov 4, 2026
74.201.116.0/24
No anonymizer space · no proxy exits in 30 daysCisco Systems Ironport Division · space held by PF IPV4 Borrower, LLC
IPv4 market
Path
2 · Leased from
4 · Use
Business
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
74.201.116.0/24
From the registry to its use
- Nov 13, 2006Registry recordPF IPV4 Borrower, LLCDirect Allocation74.201.64.0 - 74.201.171.255
- Nov 9, 2007– today
- Mar 8, 2008– Jul 22, 2008
- Oct 10, 2008AssignedIronPort System (PO 101582)Reassigned74.201.116.0/24
- Oct 23, 2008Route objectAS30214 Cisco Systems Ironport DivisionRADB route object for AS30214 Cisco Systems Ironport Division, maintainer MAINT-AS1828
- Nov 1, 2008– May 1, 2011AnnouncedAS30214 Cisco Systems Ironport Division
- Apr 30, 2011Route objectAS16417 Cisco Systems Ironport DivisionRADB route object for AS16417 Cisco Systems Ironport Division, maintainer MAINT-AS1828
- May 8, 2011– today
- todayLeased fromIPv4.GlobalIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Holder | RPKI |
|---|---|---|---|---|---|
| 74.201.112.0/20 since Nov 2007 | AS12182 | Unknown | IP broker IPv4.Global | PF 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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 74.201.64.0 - 74.201.171.255 | 27,648 | UG-210 | PF IPV4 Borrower, LLC (PIHL-4) · US | Direct Allocation | Nov 13, 2006 | [email protected] |
| └ 74.201.116.0/24 | 256 | INAP-SJE-IRONPORT-25430 | IronPort System (PO 101582) (C02063546) · US | Reassigned | Oct 10, 2008 | [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
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2008
- Current origin since
- May 2011 · 15 yr
- Origin networks
- 3
- Last change of origin
- May 2011
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 74.201.116.0/24
- Netname
- INAP-SJE-IRONPORT-25430
- Registrant
- IronPort System (PO 101582)
- Organization
- IronPort System (PO 101582) (C02063546)
- Type
- Reassigned
- Handle
- NET-74-201-116-0-1
- Parent
- NET-74-201-64-0-2
- Created
- Oct 10, 2008
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 13, 2006
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- IP Admin
- Phone
- +1-212-610-5663
- Handle
- IPADM814-ARIN