ASN AS25084 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS25084?

AS25084 is listed under CzestMAN, Czestochowa University of Technology.

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.

AS25084 CzestMAN, Czestochowa University of Technology

CzestMAN, Czestochowa University of Technology man.pcz.pl

PL 3 Routes

AS Data

AS25084

AS25084 – CzestMAN, Czestochowa University of Technology

AS Number	25084
AS Name	CZESTMAN-COM-AS
Organization	CzestMAN, Czestochowa University of Technology (org-pc2-ripe)
Country	PL
Website	man.pcz.pl
Number of IPv4 Routes	2
Number of IPv6 Routes	1
ASN type	EDUCATION
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2002-07-22

ASN Intelligence API for production workflows

Use ASN data for AS25084 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
212.87.240.0/23	AS25084	CzestMAN, Czestochowa University of Technology	CzestMAN, Czestochowa University of Technology	512
212.87.244.0/22	AS25084	CzestMAN, Czestochowa University of Technology	Politechnika Czestochowska	1024
2a01:699::/32	AS25084	CzestMAN, Czestochowa University of Technology	Politechnika Czestochowska	~79×10²⁷

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 'AS24988 - AS25162'

as-block:       AS24988 - AS25162
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:        2018-11-22T15:27:30Z
last-modified:  2018-11-22T15:27:30Z
source:         RIPE

% Information related to 'AS25084'

% Abuse contact for 'AS25084' is 'abuse@man.pcz.pl'

aut-num:        AS25084
org:            ORG-PC2-RIPE
as-name:        CZESTMAN-COM-AS
descr:          Non-academic AS dedicated to Metropolitan Area Network
descr:          CzestMAN, Czestochowa University of Technology
descr:          Czestochowa, POLAND
import:         from AS15373 action pref = 170; accept NOT <AS8501+ [AS20965 AS1299 AS5617]>
import:         from AS35628 accept AS35628 OR <^AS35628+ AS5617>
import:         from AS13293 accept ANY
import:         from AS8323 accept ANY
import:         from AS15744 accept ANY
import:         from AS44454 accept AS44454
import:         from AS41056 accept AS41056
import:         from AS202667 accept AS202667
import:         from AS206241 accept AS206241
import:         from AS200272 accept AS200272
import:         from AS24748 accept ANY
import:         from AS29535 accept ANY
import:         from AS6939 accept ANY
import:         from AS209860 accept AS209860
import:         from AS196730 accept AS196730
import:         from AS62047 accept ANY
import:         from AS15169 accept ANY
export:         to AS15373 announce AS25084 AS44454 AS41056 AS202667 AS206241 AS200272 AS209860 AS196730
export:         to AS13293 announce AS25084:AS-Czestochowa-COM-PCWS
export:         to AS35628 announce AS25084:AS-Czestochowa-COM-PIONIER-TP
export:         to AS8323 announce AS25084:AS-PCZ-POPS
export:         to AS15744 announce AS25084:AS-PCZ-POPS
export:         to AS44454 announce ANY
export:         to AS41056 announce ANY
export:         to AS202667 announce ANY
export:         to AS206241 announce ANY
export:         to AS200272 announce ANY
export:         to AS209860 announce ANY
export:         to AS196730 announce ANY
export:         to AS24748 announce AS25084:AS-PCZ-POPS
export:         to AS29535 announce AS25084:AS-PCZ-POPS
export:         to AS6939 announce AS25084:AS-PCZ-POPS
export:         to AS62047 announce AS25084:AS-PCZ-POPS
export:         to AS15169 announce AS25084:AS-PCZ-POPS
remarks:        CzestMAN's COM PEERS
admin-c:        WR1082-RIPE
tech-c:         CZ512-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         PL-CZESTMAN-MNT
created:        2002-07-22T14:48:57Z
last-modified:  2025-03-16T13:05:04Z
source:         RIPE

organisation:   ORG-PC2-RIPE
org-name:       Politechnika Czestochowska
country:        PL
org-type:       LIR
address:        ul. Dabrowskiego 71
address:        42-200
address:        Czestochowa
address:        POLAND
phone:          +48 34 3250317
fax-no:         +48 34 3612385
abuse-c:        CZ512-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        PL-CZESTMAN-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         PL-CZESTMAN-MNT
created:        2004-04-17T11:46:51Z
last-modified:  2024-01-10T15:10:12Z
source:         RIPE # Filtered

role:           CzestMAN Operations
address:        Czestochowa University of Technology
address:        Metropolitan Area Network CzestMAN
address:        ul. Dabrowskiego 71, 42-200 Czestochowa
address:        POLAND
phone:          +48 34 3250317
remarks:        ===================================================
remarks:        in case of abuse (hacking, spam sending, intrusion,
remarks:        other unacceptet activities) please use only
remarks:        --- e-mail abuse@man.pcz.pl ---
remarks:        ===================================================
admin-c:        WR1082-RIPE
tech-c:         LK470-RIPE
tech-c:         WR1082-RIPE
tech-c:         PD9048-RIPE
nic-hdl:        CZ512-RIPE
mnt-by:         PL-CZESTMAN-MNT
created:        2006-03-22T17:50:55Z
last-modified:  2026-02-05T15:32:28Z
source:         RIPE # Filtered
abuse-mailbox:  abuse@man.pcz.pl

person:         Wojciech Rozycki
address:        Czestochowa University of Technology
address:        Metropolitan Area Network CzestMAN
address:        42-200 Czestochowa
address:        ul. Dabrowskiego 71
address:        Poland
phone:          +48 34 3250317
nic-hdl:        WR1082-RIPE
mnt-by:         PL-CZESTMAN-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2025-07-01T13:43:18Z
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" : "AS24988 - AS25162",
    "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" : "2018-11-22",
    "date_updated" : "2018-11-22",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS25084",
    "as_name" : "CZESTMAN-COM-AS",
    "description" : [ "Non-academic AS dedicated to Metropolitan Area Network", "CzestMAN, Czestochowa University of Technology", "Czestochowa, POLAND" ],
    "status" : "ASSIGNED",
    "import" : [ "from AS15373 action pref = 170; accept NOT <AS8501+ [AS20965 AS1299 AS5617]>", "from AS35628 accept AS35628 OR <^AS35628+ AS5617>", "from AS13293 accept ANY", "from AS8323 accept ANY", "from AS15744 accept ANY", "from AS44454 accept AS44454", "from AS41056 accept AS41056", "from AS202667 accept AS202667", "from AS206241 accept AS206241", "from AS200272 accept AS200272", "from AS24748 accept ANY", "from AS29535 accept ANY", "from AS6939 accept ANY", "from AS209860 accept AS209860", "from AS196730 accept AS196730", "from AS62047 accept ANY", "from AS15169 accept ANY" ],
    "export" : [ "to AS15373 announce AS25084 AS44454 AS41056 AS202667 AS206241 AS200272 AS209860 AS196730", "to AS13293 announce AS25084:AS-Czestochowa-COM-PCWS", "to AS35628 announce AS25084:AS-Czestochowa-COM-PIONIER-TP", "to AS8323 announce AS25084:AS-PCZ-POPS", "to AS15744 announce AS25084:AS-PCZ-POPS", "to AS44454 announce ANY", "to AS41056 announce ANY", "to AS202667 announce ANY", "to AS206241 announce ANY", "to AS200272 announce ANY", "to AS209860 announce ANY", "to AS196730 announce ANY", "to AS24748 announce AS25084:AS-PCZ-POPS", "to AS29535 announce AS25084:AS-PCZ-POPS", "to AS6939 announce AS25084:AS-PCZ-POPS", "to AS62047 announce AS25084:AS-PCZ-POPS", "to AS15169 announce AS25084:AS-PCZ-POPS" ],
    "organization" : "ORG-PC2-RIPE",
    "admin_contacts" : [ "WR1082-RIPE" ],
    "tech_contacts" : [ "CZ512-RIPE" ],
    "remarks" : [ "CzestMAN's COM PEERS" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "PL-CZESTMAN-MNT" ],
    "date_created" : "2002-07-22",
    "date_updated" : "2025-03-16",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-PC2-RIPE",
    "name" : "Politechnika Czestochowska",
    "type" : "LIR",
    "address" : [ "ul. Dabrowskiego 71", "42-200", "Czestochowa", "POLAND" ],
    "street" : "Ul. Dabrowskiego",
    "city" : "Czestochowa",
    "zip_code" : "42-200",
    "country" : [ "PL" ],
    "phone" : [ "+48 34 3250317" ],
    "fax_no" : [ "+48 34 3612385" ],
    "abuse_contacts" : [ "CZ512-RIPE" ],
    "mnt_ref" : [ "RIPE-NCC-HM-MNT", "PL-CZESTMAN-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "PL-CZESTMAN-MNT" ],
    "date_created" : "2004-04-17",
    "date_updated" : "2024-01-10",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  },
  "administrative_contacts" : [ {
    "handle" : "WR1082-RIPE",
    "name" : "Wojciech Rozycki",
    "address" : [ "Czestochowa University of Technology", "Metropolitan Area Network CzestMAN", "42-200 Czestochowa", "ul. Dabrowskiego 71", "Poland" ],
    "street" : "Poland",
    "city" : "Czestochowa",
    "zip_code" : "42-200",
    "phone" : [ "+48 34 3250317" ],
    "mnt_by" : [ "PL-CZESTMAN-MNT" ],
    "date_created" : "1970-01-01",
    "date_updated" : "2025-07-01",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "CZ512-RIPE",
    "name" : "CzestMAN Operations",
    "address" : [ "Czestochowa University of Technology", "Metropolitan Area Network CzestMAN", "ul. Dabrowskiego 71, 42-200 Czestochowa", "POLAND" ],
    "street" : "Ul. Dabrowskiego",
    "city" : "Czestochowa",
    "zip_code" : "42-200",
    "country" : "POLAND",
    "abuse_mailbox" : [ "abuse@man.pcz.pl" ],
    "phone" : [ "+48 34 3250317" ],
    "admin_contacts" : [ "WR1082-RIPE" ],
    "tech_contacts" : [ "LK470-RIPE", "WR1082-RIPE", "PD9048-RIPE" ],
    "remarks" : [ "===================================================", "in case of abuse (hacking, spam sending, intrusion,", "other unacceptet activities) please use only", "--- e-mail abuse@man.pcz.pl ---", "===================================================" ],
    "mnt_by" : [ "PL-CZESTMAN-MNT" ],
    "date_created" : "2006-03-22",
    "date_updated" : "2026-02-05",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  } ]
}

Peers

AS Number	Description	Country
AS44454	Czestochowska Spoldzielnia Mieszkaniowa "Nasza Praca"	PL
AS24482	SG.GS	SG
AS196730	TELSAT.TV Sp. z o.o.	PL
AS50607	Stowarzyszenie e-Poludnie	PL
AS15744	SILWEB Autonomous System Commercial	PL
AS53062	ALT \| GRUPO BRASIL TECPAR	BR
AS205160	Domanski Zakrzewski Palinka sp. k.	PL
AS60602	Inovare-Prim SRL	MD
AS6939	Hurricane Electric LLC	US
AS6204	ZET.NET IP Transit	RO

Upstreams

AS Number	Description	Country
AS39120	Convergenze S.p.A.	IT
AS15373	Politechnika Czestochowska	PL
AS14840	BR.Digital Telecom	BR
AS263444	Open X Tecnologia Ltda	BR
AS6204	ZET.NET IP Transit	RO
AS6939	Hurricane Electric LLC	US
AS13293	PIONIER COM World Service	PL
AS50607	Stowarzyszenie e Poludnie	PL
AS196844	PIONIER, National Research and Education Network in Poland	PL
AS5617	Orange Polska Spolka Akcyjna	PL

Downstreams

AS Number	Description	Country
AS196730	TELSAT.TV Sp. z o.o.	PL
AS15373	Politechnika Czestochowska	PL
AS200272	x kom sp. z o.o.	PL
AS209860	My Net Michal Bronczkowski	PL
AS44454	Czestochowska Spoldzielnia Mieszkaniowa Nasza Praca	PL
AS41056	APUS Piotr Sejfried	PL
AS206241	STOWARZYSZENIE DO SPRAW ROZWOJU SPOLECZENSTWA INFORMACYJNEGO SUBREGIONU POLNOCNEGO WOJEWODZTWA SLASKIEGO	PL
AS202667	Klasztor OO Paulinow Jasna Gora	PL

ASN Lookup Tool

ASN Summary