What is ASN AS203291?

ASN AS203291 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS203291?

AS203291 is listed under Arend Brouwer.

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?

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AS203291 Arend Brouwer | IPGeolocation.io

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Arend Brouwer ipng.nl

NL 0 Routes

AS Data

AS203291

AS203291 – Arend Brouwer

AS Number	203291
AS Name	FRYSLAN
Organization	Arend Brouwer (org-abta6-ripe)
Country	NL
Website	ipng.nl
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2025-12-02

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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 'AS203113 - AS203887'

as-block:       AS203113 - AS203887
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:        2024-11-12T15:22:00Z
last-modified:  2024-11-12T15:22:00Z
source:         RIPE

% Information related to 'AS203291'

% Abuse contact for 'AS203291' is 'noc@eritap.com'

aut-num:        AS203291
as-name:        FRYSLAN
remarks:        -----------------------------------------------------------------------
remarks:        Please see our routing policy in detail here:
remarks:        https://ipng.ch/s/articles/2024/04/27/freeix-1.html
remarks:        -----------------------------------------------------------------------
remarks:        Group 'ensix' type 'peer'
remarks:        Session type routeserver AS215549: ENS-IX route-server (Enschede Internet Exchange)
mp-import:      afi ipv4.unicast from AS215549 action pref=200; accept AS215549
mp-export:      afi ipv4.unicast to AS215549 announce AS203291:AS-MEMBERS
mp-import:      afi ipv6.unicast from AS215549 action pref=200; accept AS215549
mp-export:      afi ipv6.unicast to AS215549 announce AS203291:AS-MEMBERS
remarks:        Session type member AS215842: Erwin Paal ()
mp-import:      afi ipv4.unicast from AS215842 action pref=300; accept AS215842:AS-ALL
mp-export:      afi ipv4.unicast to AS215842 announce ANY
mp-import:      afi ipv6.unicast from AS215842 action pref=300; accept AS215842:AS-ALL
mp-export:      afi ipv6.unicast to AS215842 announce ANY
remarks:        -----------------------------------------------------------------------
remarks:        Group 'frysix' type 'peer'
remarks:        Session type routeserver AS56393: Frys-IX Route Servers (Frys-IX)
mp-import:      afi ipv4.unicast from AS56393 action pref=200; accept AS-FRYS-IX-CONNECTED
mp-export:      afi ipv4.unicast to AS56393 announce AS203291:AS-MEMBERS
mp-import:      afi ipv6.unicast from AS56393 action pref=200; accept AS-FRYS-IX-CONNECTED
mp-export:      afi ipv6.unicast to AS56393 announce AS203291:AS-MEMBERS
remarks:        Session type member AS8298: IPng Networks GmbH (IPng)
mp-import:      afi ipv4.unicast from AS8298 action pref=300; accept AS8298:AS-IPNG
mp-export:      afi ipv4.unicast to AS8298 announce ANY
mp-import:      afi ipv6.unicast from AS8298 action pref=300; accept AS8298:AS-IPNG
mp-export:      afi ipv6.unicast to AS8298 announce ANY
remarks:        Session type peer AS44854: ERITAP (ERITAP)
mp-import:      afi ipv4.unicast from AS44854 action pref=200; accept AS44854:AS-ERITAP
mp-export:      afi ipv4.unicast to AS44854 announce AS203291:AS-MEMBERS
mp-import:      afi ipv6.unicast from AS44854 action pref=200; accept AS44854:AS-ERITAP
mp-export:      afi ipv6.unicast to AS44854 announce AS203291:AS-MEMBERS
remarks:        -----------------------------------------------------------------------
remarks:        Operational issues  : noc AT frys-ix DOT net
remarks:        Spam & abuse issues : abuse AT frys-ix DOT net
remarks:        Peering request     : noc AT frys-ix DOT net
remarks:        -----------------------------------------------------------------------
remarks:        Generated by IPng Networks Kees using https://as203291.peeringdb.com
remarks:
remarks:        FrysLAN routing policy consists of the following eBGP group types:
remarks:        AS203291:AS-PEERS        -- Direct peering adjacencies
remarks:        AS203291:AS-MEMBERS      -- Members who use the FrysLAN router
remarks:        AS203291:AS-ROUTESERVERS -- Internet exchange point Route Servers
remarks:        -----------------------------------------------------------------------
org:            ORG-ABTA6-RIPE
admin-c:        EN5593-RIPE
admin-c:        PBVP1-RIPE
tech-c:         EN5593-RIPE
tech-c:         IPNG1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         nl-eritap-1-MNT
mnt-by:         IPNG-MNT
created:        2025-12-02T12:52:03Z
last-modified:  2026-07-27T12:03:57Z
source:         RIPE

organisation:   ORG-ABTA6-RIPE
org-name:       Arend Brouwer
country:        NL
reg-nr:         Not Applicable
org-type:       LIR
address:        Schoterlandseweg 35
address:        8411XX
address:        Jubbega
address:        NETHERLANDS
phone:          +31516237000
admin-c:        EN5593-RIPE
tech-c:         EN5593-RIPE
abuse-c:        AR61382-RIPE
mnt-ref:        nl-eritap-1-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         nl-eritap-1-MNT
created:        2020-11-23T08:28:51Z
last-modified:  2026-05-13T07:27:28Z
source:         RIPE # Filtered

role:           ERITAP NOC
address:        Schoterlandseweg 35
address:        8411XX
address:        Jubbega
address:        NETHERLANDS
phone:          +31516237000
nic-hdl:        EN5593-RIPE
mnt-by:         nl-eritap-1-MNT
created:        2020-11-23T08:28:50Z
last-modified:  2020-11-23T08:28:51Z
source:         RIPE # Filtered

role:           IPNG Technical Role Account
address:        Swiss Post Box: 100285
address:        Zurcherstrasse 161
address:        8010 Zurich
address:        Switzerland
abuse-mailbox:  abuse+ripe@ipng.nl
nic-hdl:        IPNG1-RIPE
mnt-by:         IPNG-MNT
created:        2020-06-10T09:33:08Z
last-modified:  2020-06-10T09:55:41Z
source:         RIPE # Filtered

person:         Pim van Pelt
address:        Swiss Post Box: 100285
address:        Zurcherstrasse 161
address:        8010 Zurich
address:        SWITZERLAND
phone:          +41 44 6681929
nic-hdl:        PBVP1-RIPE
remarks:        PGPKEY-4DCA7E5E
mnt-by:         IPNG-MNT
created:        2002-04-05T11:24:30Z
last-modified:  2024-03-16T22:25:06Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.123 (BUSA)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS203113 - AS203887",
    "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" : "2024-11-12",
    "date_updated" : "2024-11-12",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS203291",
    "as_name" : "FRYSLAN",
    "status" : "ASSIGNED",
    "mp_import" : [ "afi ipv4.unicast from AS215549 action pref=200; accept AS215549", "afi ipv6.unicast from AS215549 action pref=200; accept AS215549", "afi ipv4.unicast from AS215842 action pref=300; accept AS215842:AS-ALL", "afi ipv6.unicast from AS215842 action pref=300; accept AS215842:AS-ALL", "afi ipv4.unicast from AS56393 action pref=200; accept AS-FRYS-IX-CONNECTED", "afi ipv6.unicast from AS56393 action pref=200; accept AS-FRYS-IX-CONNECTED", "afi ipv4.unicast from AS8298 action pref=300; accept AS8298:AS-IPNG", "afi ipv6.unicast from AS8298 action pref=300; accept AS8298:AS-IPNG", "afi ipv4.unicast from AS44854 action pref=200; accept AS44854:AS-ERITAP", "afi ipv6.unicast from AS44854 action pref=200; accept AS44854:AS-ERITAP" ],
    "mp_export" : [ "afi ipv4.unicast to AS215549 announce AS203291:AS-MEMBERS", "afi ipv6.unicast to AS215549 announce AS203291:AS-MEMBERS", "afi ipv4.unicast to AS215842 announce ANY", "afi ipv6.unicast to AS215842 announce ANY", "afi ipv4.unicast to AS56393 announce AS203291:AS-MEMBERS", "afi ipv6.unicast to AS56393 announce AS203291:AS-MEMBERS", "afi ipv4.unicast to AS8298 announce ANY", "afi ipv6.unicast to AS8298 announce ANY", "afi ipv4.unicast to AS44854 announce AS203291:AS-MEMBERS", "afi ipv6.unicast to AS44854 announce AS203291:AS-MEMBERS" ],
    "organization" : "ORG-ABTA6-RIPE",
    "admin_contacts" : [ "EN5593-RIPE", "PBVP1-RIPE" ],
    "tech_contacts" : [ "EN5593-RIPE", "IPNG1-RIPE" ],
    "remarks" : [ "-----------------------------------------------------------------------", "Please see our routing policy in detail here:", "https://ipng.ch/s/articles/2024/04/27/freeix-1.html", "-----------------------------------------------------------------------", "Group 'ensix' type 'peer'", "Session type routeserver AS215549: ENS-IX route-server (Enschede Internet Exchange)", "Session type member AS215842: Erwin Paal ()", "-----------------------------------------------------------------------", "Group 'frysix' type 'peer'", "Session type routeserver AS56393: Frys-IX Route Servers (Frys-IX)", "Session type member AS8298: IPng Networks GmbH (IPng)", "Session type peer AS44854: ERITAP (ERITAP)", "-----------------------------------------------------------------------", "Operational issues  : noc AT frys-ix DOT net", "Spam & abuse issues : abuse AT frys-ix DOT net", "Peering request     : noc AT frys-ix DOT net", "-----------------------------------------------------------------------", "Generated by IPng Networks Kees using https://as203291.peeringdb.com", "FrysLAN routing policy consists of the following eBGP group types:", "AS203291:AS-PEERS        -- Direct peering adjacencies", "AS203291:AS-MEMBERS      -- Members who use the FrysLAN router", "AS203291:AS-ROUTESERVERS -- Internet exchange point Route Servers", "-----------------------------------------------------------------------" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "nl-eritap-1-MNT", "IPNG-MNT" ],
    "date_created" : "2025-12-02",
    "date_updated" : "2026-07-27",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-ABTA6-RIPE",
    "name" : "Arend Brouwer",
    "type" : "LIR",
    "address" : [ "Schoterlandseweg 35", "8411XX", "Jubbega", "NETHERLANDS" ],
    "street" : "Schoterlandseweg",
    "city" : "Jubbega",
    "zip_code" : "8411XX",
    "country" : [ "NL" ],
    "phone" : [ "+31516237000" ],
    "admin_contacts" : [ "EN5593-RIPE" ],
    "tech_contacts" : [ "EN5593-RIPE" ],
    "abuse_contacts" : [ "AR61382-RIPE" ],
    "mnt_ref" : [ "nl-eritap-1-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "nl-eritap-1-MNT" ],
    "date_created" : "2020-11-23",
    "date_updated" : "2026-05-13",
    "source" : "RIPE",
    "addressCountry" : "NETHERLANDS"
  },
  "administrative_contacts" : [ {
    "handle" : "EN5593-RIPE",
    "name" : "ERITAP NOC",
    "address" : [ "Schoterlandseweg 35", "8411XX", "Jubbega", "NETHERLANDS" ],
    "street" : "Schoterlandseweg",
    "city" : "Jubbega",
    "zip_code" : "8411XX",
    "country" : "NETHERLANDS",
    "phone" : [ "+31516237000" ],
    "mnt_by" : [ "nl-eritap-1-MNT" ],
    "date_created" : "2020-11-23",
    "date_updated" : "2020-11-23",
    "source" : "RIPE",
    "addressCountry" : "NETHERLANDS"
  }, {
    "handle" : "PBVP1-RIPE",
    "name" : "Pim van Pelt",
    "address" : [ "Swiss Post Box: 100285", "Zurcherstrasse 161", "8010 Zurich", "SWITZERLAND" ],
    "street" : "Zurcherstrasse",
    "city" : "Zurich",
    "zip_code" : "8010",
    "country" : "SWITZERLAND",
    "phone" : [ "+41 44 6681929" ],
    "remarks" : [ "PGPKEY-4DCA7E5E" ],
    "mnt_by" : [ "IPNG-MNT" ],
    "date_created" : "2002-04-05",
    "date_updated" : "2024-03-16",
    "source" : "RIPE",
    "addressCountry" : "SWITZERLAND"
  } ],
  "technical_contacts" : [ {
    "handle" : "EN5593-RIPE",
    "name" : "ERITAP NOC",
    "address" : [ "Schoterlandseweg 35", "8411XX", "Jubbega", "NETHERLANDS" ],
    "street" : "Schoterlandseweg",
    "city" : "Jubbega",
    "zip_code" : "8411XX",
    "country" : "NETHERLANDS",
    "phone" : [ "+31516237000" ],
    "mnt_by" : [ "nl-eritap-1-MNT" ],
    "date_created" : "2020-11-23",
    "date_updated" : "2020-11-23",
    "source" : "RIPE",
    "addressCountry" : "NETHERLANDS"
  }, {
    "handle" : "IPNG1-RIPE",
    "name" : "IPNG Technical Role Account",
    "address" : [ "Swiss Post Box: 100285", "Zurcherstrasse 161", "8010 Zurich", "Switzerland" ],
    "street" : "Zurcherstrasse",
    "city" : "Zurich",
    "zip_code" : "8010",
    "country" : "SWITZERLAND",
    "abuse_mailbox" : [ "abuse+ripe@ipng.nl" ],
    "mnt_by" : [ "IPNG-MNT" ],
    "date_created" : "2020-06-10",
    "date_updated" : "2020-06-10",
    "source" : "RIPE",
    "addressCountry" : "SWITZERLAND"
  } ]
}

Peers

AS Number	Description	Country
AS215842	Erwin Paal	NL
AS215549	InterRacks B.V.	NL
AS56393	Arend Brouwer	NL
AS8298	IPng Networks GmbH	CH
AS44854	Arend Brouwer	NL

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ASN Summary

AS203291 – Arend Brouwer

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Raw Whois Response

Parsed Whois Response

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