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Data as of Nov 5, 2026

66.150.1.0/24

No anonymizer space · no proxy exits in 30 days

Southwest Airlines Co. · space held by PF IPV4 Borrower, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS396173
Type
Business
Risk
0 / 100 · Low
IPv4 market

Path

1 · Holder
PF IPV4 Borrower, LLC
record created Jul 13, 2001
2 · Leased from
IPv4.Global
3 · Announced by
AS396173 Southwest Airlines Co.
since Nov 2019 · 6.9 yr ago
4 · Use
Business

Lineage

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

66.150.1.0/24

From the registry to its use

  1. Jul 13, 2001
    Registry record
    PF IPV4 Borrower, LLC
    Direct Allocation
    66.150.0.0/20
  2. Jun 22, 2007– Feb 1, 2015
    Announced
    AS11622 Orland Fire Protection District
    as part of 66.150.0.0/22
    66.150.0.0/22
  3. Jan 15, 2016– today
    Announced
    AS12179 Unitas Global
    as part of 66.150.0.0/22
    66.150.0.0/22
  4. Feb 1, 2016– Apr 30, 2018
    Announced
    AS12179 Unitas Global
    Internet provider
  5. Nov 28, 2019– today
    Announced
    AS396173 Southwest Airlines Co.
    Business
  6. Jul 1, 2020
    Route object
    AS12179 Unitas Global
    RADB route object for AS12179 Unitas Global, maintainer MAINT-AS1828
  7. Jul 7, 2020
    Assigned
    Southwest Airlines Co.
    Reassigned
    66.150.1.0/24
  8. Aug 24, 2020
    Route object
    AS396173 Southwest Airlines Co.
    RADB route object for AS396173 Southwest Airlines Co., maintainer MAINT-AS32787
  9. today
    Leased from
    IPv4.Global
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromHolderRPKI
66.150.0.0/22
since Jan 2016
AS12179UnknownIP broker IPv4.GlobalPF IPV4 Borrower, LLC
66.150.0.0/20
since May 2005
AS14744UnknownIP 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
66.150.0.0/204,096PHIL-4-HOLDINGPF IPV4 Borrower, LLC (PIHL-4) · USDirect AllocationJul 13, 2001ipinfo@hilcostreambank.com
└ 66.150.1.0/24256INAP-DAL006-SWAIRLINES-66-150-1-0Southwest Airlines Co. (C07579790) · USReassignedJul 7, 2020ipinfo@hilcostreambank.com
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

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
PF IPV4 Borrower, LLC
Handle
PIHL-4
Range
66.150.0.0/20
Registration type
Direct Allocation
Record created
Jul 13, 2001
Origin network

AS396173

US
Name
Southwest Airlines Co.
Type
Business
Registered
Nov 7, 2018
Domain
southwest.com
Industry
Air Travel
Spamhaus ASN-DROP
not listed