ASN AS34891 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS34891?

AS34891 is listed under Urzad Miasta Stolecznego Warszawa.

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.

AS34891 Urzad Miasta Stolecznego Warszawa

ASN Lookup Tool

Urzad Miasta Stolecznego Warszawa um.warszawa.pl

PL 5 Routes

AS Data

AS34891

AS34891 – Urzad Miasta Stolecznego Warszawa

AS Number	34891
AS Name	UM-Warszawa-AS
Organization	Urzad Miasta Stolecznego Warszawa (org-umsw1-ripe)
Country	PL
Website	um.warszawa.pl
Number of IPv4 Routes	4
Number of IPv6 Routes	1
ASN type	GOVERNMENT
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2005-04-25

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
91.237.138.0/24	AS34891	Urzad Miasta Stolecznego Warszawa	Urzad Miasta Stolecznego Warszawa	256
91.237.139.0/24	AS34891	Urzad Miasta Stolecznego Warszawa	Urzad Miasta Stolecznego Warszawa	256
194.30.179.0/24	AS34891	Urzad Miasta Stolecznego Warszawa	Urzad Miasta Stolecznego Warszawa	256
91.237.138.0/23	AS34891	Urzad Miasta Stolecznego Warszawa	Urzad Miasta Stolecznego Warszawa	512
2001:67c:10b4::/48	AS34891	Urzad Miasta Stolecznego Warszawa	Urzad Miasta Stolecznego Warszawa	~1×10²⁴

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 'AS34554 - AS34984'

as-block:       AS34554 - AS34984
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:        2024-07-03T14:03:00Z
last-modified:  2024-07-03T14:03:00Z
source:         RIPE

% Information related to 'AS34891'

% Abuse contact for 'AS34891' is 'abuse@um.warszawa.pl'

aut-num:        AS34891
as-name:        UM-Warszawa-AS
descr:          pl. Bankowy 3/5
descr:          00-950 Warszawa
descr:          Poland
import:         from AS12741 accept ANY
import:         from AS29314 accept ANY
import:         from AS24115 accept ANY
import:         from AS15694 accept ANY
export:         to AS12741 announce AS34891
export:         to AS29314 announce AS34891
export:         to AS24115 announce AS34891
export:         to AS15694 announce AS34891
org:            ORG-UMSW1-RIPE
sponsoring-org: ORG-NTS2-RIPE
admin-c:        ATMA2-RIPE
admin-c:        KS344-RIPE
tech-c:         ATMA1-RIPE
tech-c:         KS344-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         ATMAN-MNT
mnt-by:         UMWAWA-MNT
created:        2005-04-25T14:42:45Z
last-modified:  2023-11-30T08:53:46Z
source:         RIPE # Filtered

organisation:   ORG-UMSW1-RIPE
org-name:       Urzad Miasta Stolecznego Warszawa
country:        PL
org-type:       OTHER
address:        pl. Bankowy 3/5
address:        00-950 Warsaw
address:        Poland
phone:          +48 22 4433377
admin-c:        KS344-RIPE
admin-c:        ATMA2-RIPE
tech-c:         ATMA1-RIPE
abuse-c:        OAH22-RIPE
mnt-by:         ATMAN-MNT
mnt-by:         UMWAWA-MNT
mnt-ref:        UMWAWA-MNT
mnt-ref:        ATMAN-MNT
created:        2005-04-25T13:01:45Z
last-modified:  2022-12-01T16:57:21Z
source:         RIPE # Filtered

role:           ATMAN NOC
address:        ATM S.A.
address:        ul. Grochowska 21a
address:        04-186 Warsaw
address:        Poland
phone:          +48-22-5156900
fax-no:         +48-22-5156777
admin-c:        AW1695-RIPE
admin-c:        IM5944-RIPE
admin-c:        MW2381-RIPE
admin-c:        MW8754-RIPE
admin-c:        AW6357-RIPE
admin-c:        JM22993-RIPE
tech-c:         AW1695-RIPE
tech-c:         IM5944-RIPE
tech-c:         MW2381-RIPE
tech-c:         LP11986-RIPE
tech-c:         AP29256-RIPE
tech-c:         MW8754-RIPE
tech-c:         AW6357-RIPE
tech-c:         JM22993-RIPE
nic-hdl:        ATMA1-RIPE
mnt-by:         ATMAN-MNT
created:        2002-08-04T14:06:36Z
last-modified:  2024-01-08T11:32:07Z
source:         RIPE # Filtered
abuse-mailbox:  abuse@atman.pl

role:           ATMAN RIPE Administrators
address:        ATM S.A.
address:        ul. Grochowska 21a
address:        04-186 Warsaw
address:        Poland
phone:          +48-22-5156160
fax-no:         +48-22-5156777
admin-c:        AW1695-RIPE
admin-c:        IM5944-RIPE
admin-c:        MW2381-RIPE
admin-c:        MW8754-RIPE
admin-c:        AW6357-RIPE
admin-c:        JM22993-RIPE
tech-c:         AW1695-RIPE
tech-c:         IM5944-RIPE
tech-c:         MW2381-RIPE
tech-c:         LP11986-RIPE
tech-c:         AP29256-RIPE
tech-c:         MW8754-RIPE
tech-c:         AW6357-RIPE
tech-c:         JM22993-RIPE
nic-hdl:        ATMA2-RIPE
mnt-by:         ATMAN-MNT
created:        2002-08-04T14:06:36Z
last-modified:  2024-01-08T11:36:26Z
source:         RIPE # Filtered
abuse-mailbox:  abuse@atman.pl

person:         Krzysztof Szymanski
address:        Urzad Miasta Stolecznego Warszawa
phone:          +48 22 4433322
nic-hdl:        KS344-RIPE
created:        2009-10-15T08:34:59Z
last-modified:  2017-10-30T22:07:18Z
source:         RIPE
mnt-by:         UMW-MNT

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS34554 - AS34984",
    "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" : "2024-07-03",
    "date_updated" : "2024-07-03",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS34891",
    "as_name" : "UM-Warszawa-AS",
    "description" : [ "pl. Bankowy 3/5", "00-950 Warszawa", "Poland" ],
    "status" : "ASSIGNED",
    "import" : [ "from AS12741 accept ANY", "from AS29314 accept ANY", "from AS24115 accept ANY", "from AS15694 accept ANY" ],
    "export" : [ "to AS12741 announce AS34891", "to AS29314 announce AS34891", "to AS24115 announce AS34891", "to AS15694 announce AS34891" ],
    "organization" : "ORG-UMSW1-RIPE",
    "sponsoring_organization" : "ORG-NTS2-RIPE",
    "admin_contacts" : [ "ATMA2-RIPE", "KS344-RIPE" ],
    "tech_contacts" : [ "ATMA1-RIPE", "KS344-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "ATMAN-MNT", "UMWAWA-MNT" ],
    "date_created" : "2005-04-25",
    "date_updated" : "2023-11-30",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-UMSW1-RIPE",
    "name" : "Urzad Miasta Stolecznego Warszawa",
    "type" : "OTHER",
    "address" : [ "pl. Bankowy 3/5", "00-950 Warsaw", "Poland" ],
    "street" : "Pl. Bankowy",
    "city" : "Warsaw",
    "zip_code" : "00-950",
    "country" : [ "PL" ],
    "phone" : [ "+48 22 4433377" ],
    "admin_contacts" : [ "KS344-RIPE", "ATMA2-RIPE" ],
    "tech_contacts" : [ "ATMA1-RIPE" ],
    "abuse_contacts" : [ "OAH22-RIPE" ],
    "mnt_ref" : [ "UMWAWA-MNT", "ATMAN-MNT" ],
    "mnt_by" : [ "ATMAN-MNT", "UMWAWA-MNT" ],
    "date_created" : "2005-04-25",
    "date_updated" : "2022-12-01",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  },
  "administrative_contacts" : [ {
    "handle" : "ATMA2-RIPE",
    "name" : "ATMAN RIPE Administrators",
    "address" : [ "ATM S.A.", "ul. Grochowska 21a", "04-186 Warsaw", "Poland" ],
    "street" : "Ul. Grochowska",
    "city" : "Warsaw",
    "zip_code" : "04-186",
    "country" : "POLAND",
    "abuse_mailbox" : [ "abuse@atman.pl" ],
    "phone" : [ "+48-22-5156160" ],
    "fax_no" : [ "+48-22-5156777" ],
    "admin_contacts" : [ "AW1695-RIPE", "IM5944-RIPE", "MW2381-RIPE", "MW8754-RIPE", "AW6357-RIPE", "JM22993-RIPE" ],
    "tech_contacts" : [ "AW1695-RIPE", "IM5944-RIPE", "MW2381-RIPE", "LP11986-RIPE", "AP29256-RIPE", "MW8754-RIPE", "AW6357-RIPE", "JM22993-RIPE" ],
    "mnt_by" : [ "ATMAN-MNT" ],
    "date_created" : "2002-08-04",
    "date_updated" : "2024-01-08",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  }, {
    "handle" : "KS344-RIPE",
    "name" : "Krzysztof Szymanski",
    "address" : [ "Urzad Miasta Stolecznego Warszawa" ],
    "city" : "Warszawa",
    "phone" : [ "+48 22 4433322" ],
    "mnt_by" : [ "UMW-MNT" ],
    "date_created" : "2009-10-15",
    "date_updated" : "2017-10-30",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "ATMA1-RIPE",
    "name" : "ATMAN NOC",
    "address" : [ "ATM S.A.", "ul. Grochowska 21a", "04-186 Warsaw", "Poland" ],
    "street" : "Ul. Grochowska",
    "city" : "Warsaw",
    "zip_code" : "04-186",
    "country" : "POLAND",
    "abuse_mailbox" : [ "abuse@atman.pl" ],
    "phone" : [ "+48-22-5156900" ],
    "fax_no" : [ "+48-22-5156777" ],
    "admin_contacts" : [ "AW1695-RIPE", "IM5944-RIPE", "MW2381-RIPE", "MW8754-RIPE", "AW6357-RIPE", "JM22993-RIPE" ],
    "tech_contacts" : [ "AW1695-RIPE", "IM5944-RIPE", "MW2381-RIPE", "LP11986-RIPE", "AP29256-RIPE", "MW8754-RIPE", "AW6357-RIPE", "JM22993-RIPE" ],
    "mnt_by" : [ "ATMAN-MNT" ],
    "date_created" : "2002-08-04",
    "date_updated" : "2024-01-08",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  }, {
    "handle" : "KS344-RIPE",
    "name" : "Krzysztof Szymanski",
    "address" : [ "Urzad Miasta Stolecznego Warszawa" ],
    "city" : "Warszawa",
    "phone" : [ "+48 22 4433322" ],
    "mnt_by" : [ "UMW-MNT" ],
    "date_created" : "2009-10-15",
    "date_updated" : "2017-10-30",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS24482	SG.GS	SG
AS12741	Netia SA	PL
AS29314	VECTRA S.A.	PL
AS35320	Eurotranstelecom Ltd	UA
AS29632	Netassist International EOOD	BG
AS6939	Hurricane Electric LLC	US
AS15694	Atman Sp. z o.o.	PL
AS24115	Equinix Asia Pacific Pte Ltd	SG
AS24115	Equinix	SG
AS56373	WAVE FIBER Sp. z.o.o.	PL

Upstreams

AS Number	Description	Country
AS13194	UAB Bite Lietuva	LT
AS29314	VECTRA S.A.	PL
AS35320	Eurotranstelecom Ltd	UA
AS29632	Netassist International EOOD	BG
AS201054	Stowarzyszenie e Poludnie	PL
AS6939	Hurricane Electric LLC	US
AS9009	M247 Europe SRL	RO
AS137409	GSL Networks Pty LTD	AU
AS24115	Equinix Asia Pacific Pte Ltd	SG