ASN AS45596 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS45596?

AS45596 is listed under Centre For Railway Information Systems.

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.

AS45596 Centre For Railway Information Systems

ASN Lookup Tool

Centre For Railway Information Systems cris.org.in

IN 5 Routes

AS Data

AS45596

AS45596 – Centre For Railway Information Systems

AS Number	45596
AS Name	CRIS-ND-21-IN
Organization	Centre For Railway Information Systems
Country	IN
Website	cris.org.in
Number of IPv4 Routes	5
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS45596 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
203.176.113.0/24	AS45596	Centre For Railway Information Systems	Centre For Railway Information Systems	256
103.110.246.0/24	AS45596	Centre For Railway Information Systems	Centre For Railway Information Systems	256
103.252.142.0/24	AS45596	Centre For Railway Information Systems	Centre For Railway Information Systems	256
103.252.143.0/24	AS45596	Centre For Railway Information Systems	Centre For Railway Information Systems	256
203.176.112.0/24	AS45596	Centre For Railway Information Systems	Centre For Railway Information Systems	256

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS45056 - AS46079'

as-block:       AS45056 - AS46079
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2009-09-29T05:48:11Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS45596'

% Abuse contact for 'AS45596' is 'prakash@cris.org.in'

aut-num:        AS45596
as-name:        CRIS-ND-21-IN
descr:          Centre For Railway Information Systems
country:        IN
admin-c:        RC796-AP
tech-c:         RC796-AP
mnt-routes:     MAINT-CRIS-ND-21-IN
mnt-irt:        IRT-CRIS-ND-21-IN
mnt-by:         MAINT-IN-IRINN
last-modified:  2013-09-11T23:38:05Z
source:         APNIC

irt:            IRT-CRIS-ND-21-IN
address:        Centre For Railway Information Systems, Chanakyapuri, New Delhi-110021, INDIA
e-mail:         prakash@cris.org.in
abuse-mailbox:  prakash@cris.org.in
admin-c:        RC796-AP
tech-c:         RC796-AP
auth:           # Filtered
mnt-by:         MAINT-CRIS-ND-21-IN
mnt-by:         MAINT-IN-IRINN
last-modified:  2026-04-17T06:05:27Z
source:         APNIC

role:           Registrar Cris
address:        Centre For Railway Information Systems, Chanakyapuri, New Delhi-110021, INDIA
country:        IN
phone:          +91-11-26877894
fax-no:         +91-11-26877893
e-mail:         Registrar@cris.org.in
admin-c:        RC796-AP
tech-c:         RC796-AP
nic-hdl:        RC796-AP
mnt-by:         MAINT-CRIS-ND-21-IN
mnt-by:         MAINT-IN-IRINN
last-modified:  2025-09-27T09:42:54Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS45056 - AS46079",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "HM20-AP" ],
    "tech_contacts" : [ "HM20-AP" ],
    "remarks" : [ "These AS numbers are further assigned by APNIC", "to APNIC members and end-users in the APNIC region" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "APNIC-HM" ],
    "date_updated" : "2009-09-29",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS45596",
    "as_name" : "CRIS-ND-21-IN",
    "description" : [ "Centre For Railway Information Systems" ],
    "country" : "IN",
    "admin_contacts" : [ "RC796-AP" ],
    "tech_contacts" : [ "RC796-AP" ],
    "mnt_irt" : [ "IRT-CRIS-ND-21-IN" ],
    "mnt_routes" : [ "MAINT-CRIS-ND-21-IN" ],
    "mnt_by" : [ "MAINT-IN-IRINN" ],
    "date_updated" : "2013-09-11",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-CRIS-ND-21-IN",
    "address" : [ "Centre For Railway Information Systems, Chanakyapuri, New Delhi-110021, INDIA" ],
    "country" : "INDIA",
    "email" : [ "prakash@cris.org.in" ],
    "abuse_mailbox" : [ "prakash@cris.org.in" ],
    "admin_contacts" : [ "RC796-AP" ],
    "tech_contacts" : [ "RC796-AP" ],
    "mnt_by" : [ "MAINT-CRIS-ND-21-IN", "MAINT-IN-IRINN" ],
    "date_updated" : "2026-04-17",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "RC796-AP",
    "name" : "Registrar Cris",
    "address" : [ "Centre For Railway Information Systems, Chanakyapuri, New Delhi-110021, INDIA" ],
    "country" : "IN",
    "email" : [ "Registrar@cris.org.in" ],
    "phone" : [ "+91-11-26877894" ],
    "fax_no" : [ "+91-11-26877893" ],
    "admin_contacts" : [ "RC796-AP" ],
    "tech_contacts" : [ "RC796-AP" ],
    "mnt_by" : [ "MAINT-CRIS-ND-21-IN", "MAINT-IN-IRINN" ],
    "date_updated" : "2025-09-27",
    "source" : "APNIC",
    "addressCountry" : "INDIA"
  } ],
  "technical_contacts" : [ {
    "handle" : "RC796-AP",
    "name" : "Registrar Cris",
    "address" : [ "Centre For Railway Information Systems, Chanakyapuri, New Delhi-110021, INDIA" ],
    "country" : "IN",
    "email" : [ "Registrar@cris.org.in" ],
    "phone" : [ "+91-11-26877894" ],
    "fax_no" : [ "+91-11-26877893" ],
    "admin_contacts" : [ "RC796-AP" ],
    "tech_contacts" : [ "RC796-AP" ],
    "mnt_by" : [ "MAINT-CRIS-ND-21-IN", "MAINT-IN-IRINN" ],
    "date_updated" : "2025-09-27",
    "source" : "APNIC",
    "addressCountry" : "INDIA"
  } ]
}

Peers

AS Number	Description	Country
AS55410	Vodafone Idea Ltd. VIL	IN
AS55410	Vodafone India Limited	IN
AS9583	Sify Ltd	IN
AS9498	Bharti Airtel Ltd	IN
AS9498	Bharti Airtel Limited	IN
AS9583	Sify Limited	IN
AS24186	RailTel Corporation of India Ltd	IN
AS55836	Reliance Jio Infocomm Limited	IN