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.

AS204891 LLC Crystal Service Integration

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

LLC Crystal Service Integration crystals.ru

RU 3 Routes

AS Data

AS204891

AS204891 – LLC Crystal Service Integration

AS Number	204891
AS Name	csi
Organization	LLC Crystal Service Integration (org-lcsi1-ripe)
Country	RU
Website	crystals.ru
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2017-12-13

ASN Intelligence API for production workflows

Use ASN data for AS204891 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
185.235.92.0/22	AS204891	LLC Crystal Service Integration	LLC Crystal Service Integration	1024
185.235.93.0/24	AS204891	LLC Crystal Service Integration	LLC Crystal Service Integration	256
185.235.92.0/24	AS204891	LLC Crystal Service Integration	LLC Crystal Service Integration	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 'AS203940 - AS205662'

as-block:       AS203940 - AS205662
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:        2026-03-05T15:29:31Z
last-modified:  2026-03-05T15:29:31Z
source:         RIPE

% Information related to 'AS204891'

% Abuse contact for 'AS204891' is 'it@crystals.ru'

aut-num:        AS204891
as-name:        csi
org:            ORG-LCSI1-RIPE
import:         from AS8492 accept ANY
export:         to AS8492 announce AS204891
import:         from AS48223 accept ANY
export:         to AS48223 announce AS204891
admin-c:        VN2969-RIPE
tech-c:         VN2969-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         ru-crystalservice-1-mnt
created:        2017-12-13T10:03:39Z
last-modified:  2018-09-04T12:08:43Z
source:         RIPE

organisation:   ORG-LCSI1-RIPE
org-name:       LLC Crystal Service Integration
country:        RU
org-type:       LIR
address:        Chkalovsky  prospekt  50A, 3N
address:        197136
address:        Saint Petersburg
address:        RUSSIAN FEDERATION
phone:          +78213312251
admin-c:        VN2969-RIPE
tech-c:         VN2969-RIPE
abuse-c:        AR44099-RIPE
mnt-ref:        ru-crystalservice-1-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         ru-crystalservice-1-mnt
created:        2017-12-04T08:51:24Z
last-modified:  2020-12-16T13:01:25Z
source:         RIPE # Filtered

person:         Vernigora Nikita
address:        Levashovsky prospekt 12A, 1N
address:        197110
address:        Saint Petersburg
address:        RUSSIAN FEDERATION
phone:          +78213312251
nic-hdl:        VN2969-RIPE
mnt-by:         ru-crystalservice-1-mnt
created:        2017-12-04T08:51:23Z
last-modified:  2017-12-04T08:51:23Z
source:         RIPE

% 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" : "AS203940 - AS205662",
    "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" : "2026-03-05",
    "date_updated" : "2026-03-05",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS204891",
    "as_name" : "csi",
    "status" : "ASSIGNED",
    "import" : [ "from AS8492 accept ANY", "from AS48223 accept ANY" ],
    "export" : [ "to AS8492 announce AS204891", "to AS48223 announce AS204891" ],
    "organization" : "ORG-LCSI1-RIPE",
    "admin_contacts" : [ "VN2969-RIPE" ],
    "tech_contacts" : [ "VN2969-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "ru-crystalservice-1-mnt" ],
    "date_created" : "2017-12-13",
    "date_updated" : "2018-09-04",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-LCSI1-RIPE",
    "name" : "LLC Crystal Service Integration",
    "type" : "LIR",
    "address" : [ "Chkalovsky  prospekt  50A, 3N", "197136", "Saint Petersburg", "RUSSIAN FEDERATION" ],
    "street" : "Prospekt",
    "city" : "Saint Petersburg",
    "zip_code" : "197136",
    "country" : [ "RU" ],
    "phone" : [ "+78213312251" ],
    "admin_contacts" : [ "VN2969-RIPE" ],
    "tech_contacts" : [ "VN2969-RIPE" ],
    "abuse_contacts" : [ "AR44099-RIPE" ],
    "mnt_ref" : [ "ru-crystalservice-1-mnt" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "ru-crystalservice-1-mnt" ],
    "date_created" : "2017-12-04",
    "date_updated" : "2020-12-16",
    "source" : "RIPE",
    "addressCountry" : "RUSSIAN FEDERATION"
  },
  "administrative_contacts" : [ {
    "handle" : "VN2969-RIPE",
    "name" : "Vernigora Nikita",
    "address" : [ "Levashovsky prospekt 12A, 1N", "197110", "Saint Petersburg", "RUSSIAN FEDERATION" ],
    "street" : "Levashovsky Prospekt",
    "city" : "Saint Petersburg",
    "zip_code" : "197110",
    "country" : "RUSSIAN FEDERATION",
    "phone" : [ "+78213312251" ],
    "mnt_by" : [ "ru-crystalservice-1-mnt" ],
    "date_created" : "2017-12-04",
    "date_updated" : "2017-12-04",
    "source" : "RIPE",
    "addressCountry" : "RUSSIAN FEDERATION"
  } ],
  "technical_contacts" : [ {
    "handle" : "VN2969-RIPE",
    "name" : "Vernigora Nikita",
    "address" : [ "Levashovsky prospekt 12A, 1N", "197110", "Saint Petersburg", "RUSSIAN FEDERATION" ],
    "street" : "Levashovsky Prospekt",
    "city" : "Saint Petersburg",
    "zip_code" : "197110",
    "country" : "RUSSIAN FEDERATION",
    "phone" : [ "+78213312251" ],
    "mnt_by" : [ "ru-crystalservice-1-mnt" ],
    "date_created" : "2017-12-04",
    "date_updated" : "2017-12-04",
    "source" : "RIPE",
    "addressCountry" : "RUSSIAN FEDERATION"
  } ]
}

Peers

AS Number	Description	Country
AS8492	OBIT Ltd.	RU
AS8492	"OBIT" Ltd.	RU
AS48223	Senator Telecom Ltd.	RU
AS51178	JSC Avantel	RU

Upstreams

AS Number	Description	Country
AS8492	OBIT Ltd.	RU
AS51178	JSC Avantel	RU

Frequently Asked Questions

What is ASN AS204891?

ASN AS204891 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS204891?

AS204891 is listed under LLC Crystal Service Integration.

What do peers, upstreams, and downstreams mean?

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 included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.