ASN AS25437 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS25437?

AS25437 is listed under Osipenko Alexander Nikolaevich.

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.

AS25437 Osipenko Alexander Nikolaevich

ASN Lookup Tool

Osipenko Alexander Nikolaevich

RU 5 Routes

AS Data

AS25437

AS25437 – Osipenko Alexander Nikolaevich

AS Number	25437
AS Name	ALCOM-AS
Organization	Osipenko Alexander Nikolaevich (org-oan1-ripe)
Country	RU
Number of IPv4 Routes	5
Number of IPv6 Routes	0
ASN type	INDIVIDUAL
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2002-11-22

ASN Intelligence API for production workflows

Use ASN data for AS25437 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
31.40.180.0/24	AS25437	Osipenko Alexander Nikolaevich	Osipenko Alexander Nikolaevich	256
31.40.158.0/24	AS25437	Osipenko Alexander Nikolaevich	Osipenko Alexander Nikolaevich	256
195.20.119.0/24	AS25437	Osipenko Alexander Nikolaevich	Osipenko Alexander Nikolaevich	256
31.40.181.0/24	AS25437	Osipenko Alexander Nikolaevich	Osipenko Alexander Nikolaevich	256
195.20.118.0/24	AS25437	Osipenko Alexander Nikolaevich	Osipenko Alexander Nikolaevich	256

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 'AS25365 - AS25542'

as-block:       AS25365 - AS25542
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 'AS25437'

% Abuse contact for 'AS25437' is 'korvin2000@gmail.com'

aut-num:        AS25437
as-name:        ALCOM-AS
descr:          Krasnodar
descr:          RU
org:            ORG-OAN1-RIPE
import:         from AS3216 action pref=100; accept ANY
export:         to AS3216 announce AS25437
import:         from AS48084 action pref=100; accept ANY
export:         to AS48084 announce AS25437
import:         from AS12389 action pref=100; accept ANY
export:         to AS12389 announce AS25437
import:         from AS8631 action pref=100; accept ANY
export:         to AS8631 announce AS25437
admin-c:        AO5470-RIPE
tech-c:         AO5470-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         KOR4-MNT
created:        2002-11-22T09:38:19Z
last-modified:  2026-01-16T10:01:53Z
source:         RIPE # Filtered

organisation:   ORG-OAN1-RIPE
org-name:       Osipenko Alexander Nikolaevich
country:        RU
org-type:       LIR
address:        Sanatornaya str, 5
address:        298470
address:        Bolshoye Sadovoe village
address:        RUSSIAN FEDERATION
phone:          +79788678790
admin-c:        AO5470-RIPE
tech-c:         AO5470-RIPE
abuse-c:        AR51250-RIPE
mnt-ref:        KOR4-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         KOR4-MNT
created:        2019-03-04T14:39:58Z
last-modified:  2020-12-16T12:49:03Z
source:         RIPE # Filtered

person:         Alexander Osipenko
address:        Sanatornaya str, 5
address:        298470
address:        Bolshoye Sadovoe village
address:        Russia
phone:          +79788678790
nic-hdl:        AO5470-RIPE
mnt-by:         KOR4-MNT
created:        2019-03-04T14:39:58Z
last-modified:  2019-03-06T13:10:13Z
source:         RIPE

% 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" : "AS25365 - AS25542",
    "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" : "AS25437",
    "as_name" : "ALCOM-AS",
    "description" : [ "Krasnodar", "RU" ],
    "status" : "ASSIGNED",
    "import" : [ "from AS3216 action pref=100; accept ANY", "from AS48084 action pref=100; accept ANY", "from AS12389 action pref=100; accept ANY", "from AS8631 action pref=100; accept ANY" ],
    "export" : [ "to AS3216 announce AS25437", "to AS48084 announce AS25437", "to AS12389 announce AS25437", "to AS8631 announce AS25437" ],
    "organization" : "ORG-OAN1-RIPE",
    "admin_contacts" : [ "AO5470-RIPE" ],
    "tech_contacts" : [ "AO5470-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "KOR4-MNT" ],
    "date_created" : "2002-11-22",
    "date_updated" : "2026-01-16",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-OAN1-RIPE",
    "name" : "Osipenko Alexander Nikolaevich",
    "type" : "LIR",
    "address" : [ "Sanatornaya str, 5", "298470", "Bolshoye Sadovoe village", "RUSSIAN FEDERATION" ],
    "street" : "Bolshoye",
    "city" : "Sadovoe Village",
    "country" : [ "RU" ],
    "phone" : [ "+79788678790" ],
    "admin_contacts" : [ "AO5470-RIPE" ],
    "tech_contacts" : [ "AO5470-RIPE" ],
    "abuse_contacts" : [ "AR51250-RIPE" ],
    "mnt_ref" : [ "KOR4-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "KOR4-MNT" ],
    "date_created" : "2019-03-04",
    "date_updated" : "2020-12-16",
    "source" : "RIPE",
    "addressCountry" : "RUSSIAN FEDERATION"
  },
  "administrative_contacts" : [ {
    "handle" : "AO5470-RIPE",
    "name" : "Alexander Osipenko",
    "address" : [ "Sanatornaya str, 5", "298470", "Bolshoye Sadovoe village", "Russia" ],
    "street" : "Bolshoye",
    "city" : "Sadovoe Village",
    "country" : "RUSSIA",
    "phone" : [ "+79788678790" ],
    "mnt_by" : [ "KOR4-MNT" ],
    "date_created" : "2019-03-04",
    "date_updated" : "2019-03-06",
    "source" : "RIPE",
    "addressCountry" : "RUSSIA"
  } ],
  "technical_contacts" : [ {
    "handle" : "AO5470-RIPE",
    "name" : "Alexander Osipenko",
    "address" : [ "Sanatornaya str, 5", "298470", "Bolshoye Sadovoe village", "Russia" ],
    "street" : "Bolshoye",
    "city" : "Sadovoe Village",
    "country" : "RUSSIA",
    "phone" : [ "+79788678790" ],
    "mnt_by" : [ "KOR4-MNT" ],
    "date_created" : "2019-03-04",
    "date_updated" : "2019-03-06",
    "source" : "RIPE",
    "addressCountry" : "RUSSIA"
  } ]
}

Peers

AS Number	Description	Country
AS3216	PJSC Vimpelcom	RU
AS48084	Uzhnie Magistraljnie Linii Svyazi LLC	RU
AS8631	Join stock company Internet ExchangeMSK IX	RU
AS12389	PJSC Rostelecom	RU
AS3216	PJSC "Vimpelcom"	RU
AS9002	RETN Limited	GB
AS31257	Orion Telecom LLC	RU
AS28917	Fiord Networks, UAB	LT

Upstreams

AS Number	Description	Country
AS3216	PJSC Vimpelcom	RU
AS12389	PJSC Rostelecom	RU
AS9002	RETN Limited	GB