ASN AS51691 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS51691?

AS51691 is listed under F Solutions Oy.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS51691 F Solutions Oy | IPGeolocation.io

ASN Lookup Tool

F Solutions Oy f-solutions.fi

FI 6 Routes

AS Data

AS51691

AS51691 – F Solutions Oy

AS Number	51691
AS Name	FSOL-AS
Organization	F Solutions Oy (org-fo10-ripe)
Country	FI
Website	f-solutions.fi
Number of IPv4 Routes	4
Number of IPv6 Routes	2
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2010-10-20

ASN Intelligence API for production workflows

Use ASN data for AS51691 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2a00:4cc1::/32	AS51691	F Solutions Oy	F Solutions Oy	~79×10²⁷
178.213.232.0/21	AS51691	F Solutions Oy	F Solutions Oy	2048
178.213.239.0/24	AS51691	F Solutions Oy	F Solutions Oy	256
2a00:4cc2::/32	AS51691	F Solutions Oy	F Solutions Oy	~79×10²⁷
178.213.238.0/23	AS51691	F Solutions Oy	F Solutions Oy	512
37.16.96.0/20	AS51691	F Solutions Oy	F Solutions Oy	4096

Raw Whois Response

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS51357 - AS51817'

as-block:       AS51357 - AS51817
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2025-02-13T13:57:44Z
last-modified:  2025-02-13T13:57:44Z
source:         RIPE

% Information related to 'AS51691'

% Abuse contact for 'AS51691' is 'abuse@f-solutions.fi'

aut-num:        AS51691
as-name:        FSOL-AS
org:            ORG-FO10-RIPE
import:         from AS719 accept ANY
export:         to AS719 announce AS-SET-FSOL
import:         from AS20904 accept ANY
export:         to AS20904 announce AS-SET-FSOL
import:         from AS57664 accept ANY
export:         to AS57664 announce ANY
import:         from AS60109 accept AS60109
export:         to AS60109 announce ANY
import:         from AS203871 accept AS203871
export:         to AS203871 announce ANY
import:         from AS203875 accept AS203875
export:         to AS203875 announce ANY
admin-c:        FSOL-RIPE
tech-c:         FSOL-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         FSOL-MNT
created:        2010-10-20T12:16:10Z
last-modified:  2024-07-16T06:51:31Z
source:         RIPE

organisation:   ORG-FO10-RIPE
org-name:       F-Solutions Oy
country:        FI
org-type:       LIR
address:        PL 7
address:        90571
address:        Oulu
address:        FINLAND
phone:          +358440860030
abuse-c:        FSOL-RIPE
admin-c:        AYIT-RIPE
admin-c:        HERN-RIPE
admin-c:        TH1520-RIPE
mnt-ref:        FSOL-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         FSOL-MNT
created:        2011-11-21T16:15:57Z
last-modified:  2020-12-16T13:18:10Z
source:         RIPE # Filtered

role:           F-Solutions Oy Role
address:        P.O. Box 7
address:        FI-90571 OULU
address:        FINLAND
abuse-mailbox:  abuse@f-solutions.fi
admin-c:        TH1520-RIPE
admin-c:        AYIT-RIPE
admin-c:        HERN-RIPE
tech-c:         TH1520-RIPE
tech-c:         AYIT-RIPE
tech-c:         HERN-RIPE
nic-hdl:        FSOL-RIPE
mnt-by:         FSOL-MNT
created:        2011-05-03T15:09:51Z
last-modified:  2020-04-15T11:07:53Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121.2 (SHETLAND)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS51357 - AS51817",
    "description" : [ "RIPE NCC ASN block" ],
    "remarks" : [ "These AS Numbers are assigned to network operators in the RIPE NCC service region." ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT" ],
    "date_created" : "2025-02-13",
    "date_updated" : "2025-02-13",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS51691",
    "as_name" : "FSOL-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS719 accept ANY", "from AS20904 accept ANY", "from AS57664 accept ANY", "from AS60109 accept AS60109", "from AS203871 accept AS203871", "from AS203875 accept AS203875" ],
    "export" : [ "to AS719 announce AS-SET-FSOL", "to AS20904 announce AS-SET-FSOL", "to AS57664 announce ANY", "to AS60109 announce ANY", "to AS203871 announce ANY", "to AS203875 announce ANY" ],
    "organization" : "ORG-FO10-RIPE",
    "admin_contacts" : [ "FSOL-RIPE" ],
    "tech_contacts" : [ "FSOL-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "FSOL-MNT" ],
    "date_created" : "2010-10-20",
    "date_updated" : "2024-07-16",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-FO10-RIPE",
    "name" : "F-Solutions Oy",
    "type" : "LIR",
    "address" : [ "PL 7", "90571", "Oulu", "FINLAND" ],
    "street" : "Pl",
    "city" : "Oulu",
    "zip_code" : "90571",
    "country" : [ "FI" ],
    "phone" : [ "+358440860030" ],
    "admin_contacts" : [ "AYIT-RIPE", "HERN-RIPE", "TH1520-RIPE" ],
    "abuse_contacts" : [ "FSOL-RIPE" ],
    "mnt_ref" : [ "FSOL-MNT", "RIPE-NCC-HM-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "FSOL-MNT" ],
    "date_created" : "2011-11-21",
    "date_updated" : "2020-12-16",
    "source" : "RIPE",
    "addressCountry" : "FINLAND"
  },
  "administrative_contacts" : [ {
    "handle" : "FSOL-RIPE",
    "name" : "F-Solutions Oy Role",
    "address" : [ "P.O. Box 7", "FI-90571 OULU", "FINLAND" ],
    "city" : "Oulu",
    "zip_code" : "FI-90571",
    "country" : "FINLAND",
    "abuse_mailbox" : [ "abuse@f-solutions.fi" ],
    "admin_contacts" : [ "TH1520-RIPE", "AYIT-RIPE", "HERN-RIPE" ],
    "tech_contacts" : [ "TH1520-RIPE", "AYIT-RIPE", "HERN-RIPE" ],
    "mnt_by" : [ "FSOL-MNT" ],
    "date_created" : "2011-05-03",
    "date_updated" : "2020-04-15",
    "source" : "RIPE",
    "addressCountry" : "FINLAND"
  } ],
  "technical_contacts" : [ {
    "handle" : "FSOL-RIPE",
    "name" : "F-Solutions Oy Role",
    "address" : [ "P.O. Box 7", "FI-90571 OULU", "FINLAND" ],
    "city" : "Oulu",
    "zip_code" : "FI-90571",
    "country" : "FINLAND",
    "abuse_mailbox" : [ "abuse@f-solutions.fi" ],
    "admin_contacts" : [ "TH1520-RIPE", "AYIT-RIPE", "HERN-RIPE" ],
    "tech_contacts" : [ "TH1520-RIPE", "AYIT-RIPE", "HERN-RIPE" ],
    "mnt_by" : [ "FSOL-MNT" ],
    "date_created" : "2011-05-03",
    "date_updated" : "2020-04-15",
    "source" : "RIPE",
    "addressCountry" : "FINLAND"
  } ]
}

Peers

AS Number	Description	Country
AS203871	Antti Tonkyra	FI
AS20904	Cinia Oy	FI
AS57664	F Solutions Oy	FI
AS60109	F Solutions Oy	FI
AS203875	Henri Strand	FI
AS719	Elisa Oyj	FI

Upstreams

AS Number	Description	Country
AS20904	Cinia Oy	FI
AS719	Elisa Oyj	FI

Downstreams

AS Number	Description	Country
AS203871	Antti Tonkyra	FI
AS60109	F Solutions Oy	FI
AS203875	Henri Strand	FI