Data as of Nov 7, 2026

63.251.77.0/24

No anonymizer space · no proxy exits in 30 days

Fiserv Solutions, LLC · reallocated from 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 Dec 2, 1999 · reallocated to Fiserv Solutions, LLC Oct 5, 2023
2 · Leased from
3 · Announced by
AS11273 Fiserv Solutions, LLC
since Jan 2023 · 3.8 yr ago
4 · Use
Business

Lineage

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

63.251.77.0/24

From the registry to its use

  1. Dec 2, 1999
    Registry record
    PF IPV4 Borrower, LLC
    Direct Allocation
    63.251.16.0 - 63.251.85.255
  2. Aug 4, 2003
    Route object
    AS6318 Fiserv Solutions, LLC
    RADB route object for AS6318 Fiserv Solutions, LLC, maintainer MAINT-AS1828
  3. May 9, 2005– Jan 22, 2023
    Announced
    AS6318 Fiserv Solutions, LLC
    Business
  4. Jan 11, 2023– today
    Announced
    AS11273 Fiserv Solutions, LLC
    Business
  5. Mar 1, 2023
    Route object
    AS198949 Radware Ltd
    RADB route object for AS198949 Radware Ltd, maintainer MAINT-AS198949
  6. Sep 15, 2023
    Route object
    AS11273 Fiserv Solutions, LLC
    RADB route object for AS11273 Fiserv Solutions, LLC, maintainer MAINT-AS4925
  7. Oct 5, 2023
    Reallocated
    Fiserv Solutions, LLC
    Reallocated
    63.251.77.0/24
  8. Oct 10, 2023
    Route object
    AS11273 Fiserv Solutions, LLC
    ARIN route object for AS11273 Fiserv Solutions, LLC, maintainer MNT-FSL-293
  9. Aug 4, 2025– today
    Announced
    AS14745 Unitas Global
    as part of 63.251.76.0/23
    63.251.76.0/23
  10. today
    Leased from
    IPv4.Global
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromHolderRPKI
63.251.76.0/23
since Aug 2025
AS14745HostingIP 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
63.251.16.0 - 63.251.85.25517,920UG-210PF IPV4 Borrower, LLC (PIHL-4) · USDirect AllocationDec 2, 1999ipinfo@hilcostreambank.com
└ 63.251.77.0/24256PNAP-FISERVFiserv Solutions, LLC (FSL-293) · USReallocatedOct 5, 2023ESMSustainingEng@Fiserv.com

Network & registry

IPv4 market

Holder

Organization
PF IPV4 Borrower, LLC
Handle
PIHL-4
Range
63.251.16.0 - 63.251.85.255
Registration type
Direct Allocation
Record created
Dec 2, 1999
Reallocated to
Fiserv Solutions, LLC (FSL-293)
Reallocated range
63.251.77.0/24
Reallocated
Oct 5, 2023
Origin network

AS11273

US
Name
Fiserv Solutions, LLC
Type
Business
Registered
Jun 8, 1998
Domain
fiserv.com
Industry
Software Development
Spamhaus ASN-DROP
not listed