What is ASN AS203725?

ASN AS203725 is an Autonomous System Number used to identify a network for BGP internet routing.

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.

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AS203725 ST. PETERSBURG STATE PUBLIC INSTITUTION ST. PETERSBURG INFORMATION AND ANALYTICAL CENTER

Q: Who manages ASN AS203725?

AS203725 is listed under ST. PETERSBURG STATE PUBLIC INSTITUTION ST. PETERSBURG INFORMATION AND ANALYTICAL CENTER.

ASN Lookup Tool

ST. PETERSBURG STATE PUBLIC INSTITUTION ST. PETERSBURG INFORMATION AND ANALYTICAL CENTER iac.spb.ru

RU 2 Routes

AS Data

AS203725

AS203725 – ST. PETERSBURG STATE PUBLIC INSTITUTION ST. PETERSBURG INFORMATION AND ANALYTICAL CENTER

AS Number	203725
AS Name	iac-spb-as
Organization	ST. PETERSBURG STATE PUBLIC INSTITUTION ST. PETERSBURG INFORMATION AND ANALYTICAL CENTER (org-spsp4-ripe)
Country	RU
Website	iac.spb.ru
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2015-11-11

ASN Intelligence API for production workflows

Use ASN data for AS203725 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
46.243.177.0/24	AS203725	ST. PETERSBURG STATE PUBLIC INSTITUTION ST. PETERSBURG INFORMATION AND ANALYTICAL CENTER	ST. PETERSBURG STATE PUBLIC INSTITUTION ST. PETERSBURG INFORMATION AND ANALYTICAL CENTER	256
37.230.144.0/24	AS203725	ST. PETERSBURG STATE PUBLIC INSTITUTION ST. PETERSBURG INFORMATION AND ANALYTICAL CENTER	ST. PETERSBURG STATE PUBLIC INSTITUTION ST. PETERSBURG INFORMATION AND ANALYTICAL CENTER	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 '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 'AS203725'

% Abuse contact for 'AS203725' is 'noc@iac.spb.ru'

aut-num:        AS203725
as-name:        iac-spb-as
org:            ORG-SPSP4-RIPE
import:         from as12389 accept ANY
import:         from as57334 accept ANY
export:         to as12389 announce AS203725
export:         to as57334 announce AS203725
admin-c:        AC32118-RIPE
tech-c:         AC32118-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         LIDERTELECOM-mnt
created:        2015-11-11T12:50:58Z
last-modified:  2026-01-16T14:31:04Z
source:         RIPE
sponsoring-org: ORG-LL38-RIPE

organisation:   ORG-SPSP4-RIPE
org-name:       ST. PETERSBURG STATE PUBLIC INSTITUTION "ST. PETERSBURG INFORMATION AND ANALYTICAL CENTER"
org-type:       OTHER
address:        191040, St. Petersburg, Transportny pereulok, 6, lit. A, pom. 7N/8N
country:        RU
abuse-c:        ACRO58922-RIPE
mnt-ref:        LIDERTELECOM-mnt
mnt-by:         LIDERTELECOM-mnt
created:        2025-01-15T12:14:38Z
last-modified:  2025-01-15T12:14:38Z
source:         RIPE # Filtered

role:           Abuse Contact
address:        191040, Russia, St. Petersburg, Chernyakhovsky Str., 59
abuse-mailbox:  noc@iac.spb.ru
nic-hdl:        AC32118-RIPE
mnt-by:         lidertelecom-mnt
mnt-by:         lidertelecom-mnt
created:        2016-05-13T10:41:51Z
last-modified:  2019-04-18T10:34:45Z
source:         RIPE # Filtered

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

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" : "AS203725",
    "as_name" : "iac-spb-as",
    "status" : "ASSIGNED",
    "import" : [ "from as12389 accept ANY", "from as57334 accept ANY" ],
    "export" : [ "to as12389 announce AS203725", "to as57334 announce AS203725" ],
    "organization" : "ORG-SPSP4-RIPE",
    "sponsoring_organization" : "ORG-LL38-RIPE",
    "admin_contacts" : [ "AC32118-RIPE" ],
    "tech_contacts" : [ "AC32118-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "LIDERTELECOM-mnt" ],
    "date_created" : "2015-11-11",
    "date_updated" : "2026-01-16",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-SPSP4-RIPE",
    "name" : "ST. PETERSBURG STATE PUBLIC INSTITUTION \"ST. PETERSBURG INFORMATION AND ANALYTICAL CENTER\"",
    "type" : "OTHER",
    "address" : [ "191040, St. Petersburg, Transportny pereulok, 6, lit. A, pom. 7N/8N" ],
    "street" : "Lit. A Pom.",
    "city" : "St. Petersburg",
    "zip_code" : "191040",
    "country" : [ "RU" ],
    "abuse_contacts" : [ "ACRO58922-RIPE" ],
    "mnt_ref" : [ "LIDERTELECOM-mnt" ],
    "mnt_by" : [ "LIDERTELECOM-mnt" ],
    "date_created" : "2025-01-15",
    "date_updated" : "2025-01-15",
    "source" : "RIPE"
  },
  "administrative_contacts" : [ {
    "handle" : "AC32118-RIPE",
    "name" : "Abuse Contact",
    "address" : [ "191040, Russia, St. Petersburg, Chernyakhovsky Str., 59" ],
    "street" : "Chernyakhovsky Str.",
    "city" : "St. Petersburg",
    "zip_code" : "191040",
    "country" : "RUSSIA",
    "abuse_mailbox" : [ "noc@iac.spb.ru" ],
    "mnt_by" : [ "lidertelecom-mnt", "lidertelecom-mnt" ],
    "date_created" : "2016-05-13",
    "date_updated" : "2019-04-18",
    "source" : "RIPE",
    "addressCountry" : "RUSSIA"
  } ],
  "technical_contacts" : [ {
    "handle" : "AC32118-RIPE",
    "name" : "Abuse Contact",
    "address" : [ "191040, Russia, St. Petersburg, Chernyakhovsky Str., 59" ],
    "street" : "Chernyakhovsky Str.",
    "city" : "St. Petersburg",
    "zip_code" : "191040",
    "country" : "RUSSIA",
    "abuse_mailbox" : [ "noc@iac.spb.ru" ],
    "mnt_by" : [ "lidertelecom-mnt", "lidertelecom-mnt" ],
    "date_created" : "2016-05-13",
    "date_updated" : "2019-04-18",
    "source" : "RIPE",
    "addressCountry" : "RUSSIA"
  } ]
}

Peers

AS Number	Description	Country
AS12389	PJSC Rostelecom	RU
AS12389	PJSC Rostelecom. Technical Team	ZZ
AS57334	SPB State Unitary Enterprise ATS Smolnogo	RU

Upstreams

AS Number	Description	Country
AS12389	PJSC Rostelecom. Technical Team	ZZ

Contacts

Email Contacts

noc@iac.spb.ru

Abuse Contacts