ASN AS35174 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS35174?

AS35174 is listed under Network For Business Sp z o.o..

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.

AS35174 Network For Business Sp z o.o.

ASN Lookup Tool

Network For Business Sp z o.o. nfb.pl

PL 4 Routes

AS Data

AS35174

AS35174 – Network For Business Sp z o.o.

AS Number	35174
AS Name	NFB-AS
Organization	Network For Business Sp z o.o. (org-nfbs1-ripe)
Country	PL
Website	nfb.pl
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2005-06-16

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
91.229.68.0/22	AS35174	Network For Business Sp z o.o.	wirtuale.pl Sp. z o.o.	1024
81.186.224.0/20	AS35174	Network For Business Sp z o.o.	CityNet sp. z o.o.	4096
91.198.177.0/24	AS35174	Network For Business Sp z o.o.	Wojewodzka Biblioteka Publiczna w Krakowie	256
83.143.128.0/21	AS35174	Network For Business Sp z o.o.	Business Sp z o.o.	2048

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 'AS35009 - AS35250'

as-block:       AS35009 - AS35250
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:        2024-05-01T14:06:15Z
last-modified:  2024-05-01T14:06:15Z
source:         RIPE

% Information related to 'AS35174'

% Abuse contact for 'AS35174' is 'jaroslaw.swierad@nfb.pl'

aut-num:        AS35174
as-name:        NFB-AS
import:         from AS6830 action pref=50; accept ANY
export:         to AS6830 announce AS35174
import:         from AS42927 action pref=50; accept ANY
export:         to AS42927 announce AS35174
import:         from AS29535 action pref=50; accept ANY
export:         to AS29535 announce AS35174
import:         from AS50481 action pref=50; accept ANY
export:         to AS50481 announce AS35174
org:            ORG-NFBS1-RIPE
admin-c:        MS15573-RIPE
tech-c:         MS15573-RIPE
remarks:        ==================================================
remarks:        BGP issues: registry@dmtec.eu
remarks:        Abuse: abuse@dmtec.eu
remarks:        ==================================================
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-NFB1
mnt-by:         IPARTNERS-MNT
mnt-by:         DMTEC-MNT
created:        2005-06-16T08:15:15Z
last-modified:  2018-09-04T10:09:50Z
source:         RIPE
sponsoring-org: ORG-CA29-RIPE

organisation:   ORG-NFBS1-RIPE
org-name:       Network For Business Sp z o.o.
country:        PL
org-type:       OTHER
address:        ul. Armii Krajowej 79/8
address:        30-150 Krakow
address:        Poland
phone:          +48 12 4199160
fax-no:         +48 12 4199163
abuse-c:        AC30990-RIPE
admin-c:        JS3148-RIPE
tech-c:         JS3148-RIPE
mnt-ref:        IPARTNERS-MNT
mnt-by:         IPARTNERS-MNT
created:        2005-06-10T14:12:12Z
last-modified:  2022-12-01T16:39:12Z
source:         RIPE # Filtered

person:         Marcin Stefanski
address:        Digital Media Technology Sp. z o.o.
address:        ul. Malwowa 8a
address:        30-611 Krakow
address:        Poland
phone:          +48 12 397 33 33
fax-no:         +48 12 397 33 39
mnt-by:         IPARTNERS-MNT
mnt-by:         DMTEC-MNT
nic-hdl:        MS15573-RIPE
remarks:        ==================================================
remarks:        ==================================================
created:        2007-03-27T13:53:54Z
last-modified:  2025-06-11T11:14:00Z
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" : "AS35009 - AS35250",
    "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" : "2024-05-01",
    "date_updated" : "2024-05-01",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS35174",
    "as_name" : "NFB-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS6830 action pref=50; accept ANY", "from AS42927 action pref=50; accept ANY", "from AS29535 action pref=50; accept ANY", "from AS50481 action pref=50; accept ANY" ],
    "export" : [ "to AS6830 announce AS35174", "to AS42927 announce AS35174", "to AS29535 announce AS35174", "to AS50481 announce AS35174" ],
    "organization" : "ORG-NFBS1-RIPE",
    "sponsoring_organization" : "ORG-CA29-RIPE",
    "admin_contacts" : [ "MS15573-RIPE" ],
    "tech_contacts" : [ "MS15573-RIPE" ],
    "remarks" : [ "==================================================", "BGP issues: registry@dmtec.eu", "Abuse: abuse@dmtec.eu", "==================================================" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "MNT-NFB1", "IPARTNERS-MNT", "DMTEC-MNT" ],
    "date_created" : "2005-06-16",
    "date_updated" : "2018-09-04",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-NFBS1-RIPE",
    "name" : "Network For Business Sp z o.o.",
    "type" : "OTHER",
    "address" : [ "ul. Armii Krajowej 79/8", "30-150 Krakow", "Poland" ],
    "street" : "Ul. Armii Krajowej",
    "city" : "Krakow",
    "zip_code" : "30-150",
    "country" : [ "PL" ],
    "phone" : [ "+48 12 4199160" ],
    "fax_no" : [ "+48 12 4199163" ],
    "admin_contacts" : [ "JS3148-RIPE" ],
    "tech_contacts" : [ "JS3148-RIPE" ],
    "abuse_contacts" : [ "AC30990-RIPE" ],
    "mnt_ref" : [ "IPARTNERS-MNT" ],
    "mnt_by" : [ "IPARTNERS-MNT" ],
    "date_created" : "2005-06-10",
    "date_updated" : "2022-12-01",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  },
  "administrative_contacts" : [ {
    "handle" : "MS15573-RIPE",
    "name" : "Marcin Stefanski",
    "address" : [ "Digital Media Technology Sp. z o.o.", "ul. Malwowa 8a", "30-611 Krakow", "Poland" ],
    "street" : "Ul. Malwowa",
    "city" : "Krakow",
    "zip_code" : "30-611",
    "country" : "POLAND",
    "phone" : [ "+48 12 397 33 33" ],
    "fax_no" : [ "+48 12 397 33 39" ],
    "remarks" : [ "==================================================", "==================================================" ],
    "mnt_by" : [ "IPARTNERS-MNT", "DMTEC-MNT" ],
    "date_created" : "2007-03-27",
    "date_updated" : "2025-06-11",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  } ],
  "technical_contacts" : [ {
    "handle" : "MS15573-RIPE",
    "name" : "Marcin Stefanski",
    "address" : [ "Digital Media Technology Sp. z o.o.", "ul. Malwowa 8a", "30-611 Krakow", "Poland" ],
    "street" : "Ul. Malwowa",
    "city" : "Krakow",
    "zip_code" : "30-611",
    "country" : "POLAND",
    "phone" : [ "+48 12 397 33 33" ],
    "fax_no" : [ "+48 12 397 33 39" ],
    "remarks" : [ "==================================================", "==================================================" ],
    "mnt_by" : [ "IPARTNERS-MNT", "DMTEC-MNT" ],
    "date_created" : "2007-03-27",
    "date_updated" : "2025-06-11",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  } ]
}

Peers

AS Number	Description	Country
AS50481	P4 Sp. z o.o.	PL
AS9141	P4 Sp. z o.o.	PL
AS6830	Liberty Global Europe Holding B.V.	NL
AS42927	S-NET Sp. z o.o.	PL
AS29535	Orange Polska Spolka Akcyjna	PL
AS9141	P4 Play UPC PL network	PL
AS42927	S NET Sp. z o.o.	PL

Upstreams

AS Number	Description	Country
AS9141	P4 Play UPC PL network	PL
AS42927	S NET Sp. z o.o.	PL