Data as of Nov 5, 2026
209.191.172.0/24
No anonymizer space · no proxy exits in 30 daysBT Americas, Inc · space held by PF IPV4 Borrower, LLC
IPv4 market
Path
2 · Leased from
4 · Use
Internet provider
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
209.191.172.0/24
From the registry to its use
- Feb 11, 1998Registry recordPF IPV4 Borrower, LLCDirect Allocation209.191.172.0/24
- May 9, 2005– today
- Aug 27, 2023– today
- Sep 29, 2026Route objectAS19812 BT Americas, IncRADB route object for AS19812 BT Americas, Inc, maintainer MAINT-AS1828
- todayLeased fromIPv4.GlobalIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 209.191.172.0/22 since Aug 2023 | AS13789 | Unknown | |
| 209.191.168.0/21 since Aug 2026 | AS13789 | Unknown |
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 |
|---|---|---|---|---|---|---|
| 209.191.172.0/24 | 256 | PHIL-4-HOLDING | PF IPV4 Borrower, LLC (PIHL-4) · US | Direct Allocation | Feb 11, 1998 | ipinfo@ |
| └ 209.191.172.0/24 | 256 | PNAP-NYC-RADIAN-RM-11 | Radianz, Inc. (C00692409) · US | Reassigned | Oct 22, 2003 | ipinfo@ via PHIL-4-HOLDING |
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
- 209.
191. 172. 0/ 24 - Registration type
- Direct Allocation
- Record created
- Feb 11, 1998
Origin network
AS19812
US
- Name
- BT Americas, Inc
- Type
- Internet provider
- Registered
- Feb 14, 2001
- Domain
- tnsi.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
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS19812 | RADB | PNAP-NYC | MAINT-AS1828 | Sep 29, 2026 |
Whois
Registration for this announcement
- Range
- 209.
191. 172. 0/ 24 - Netname
- PNAP-NYC-RADIAN-RM-11
- Registrant
- Radianz, Inc.
- Organization
- Radianz, Inc. (C00692409)
- Type
- Reassigned
- Handle
- NET-209-191-172-0-1
- Parent
- NET-209-191-172-0-2
- Created
- Oct 22, 2003
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 11, 1998
- Status
- assigned
Report abuse
Abuse contact
- ipinfo@
hilcostreambank. com - Name
- IP Admin
- Phone
- +1-212-610-5663
- Handle
- IPADM814-ARIN