ASN AS55757 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS55757?

AS55757 is listed under Synechron Inc..

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.

AS55757 Synechron Inc. | IPGeolocation.io

ASN Lookup Tool

Synechron Inc. synechron.com

IN 2 Routes

AS Data

AS55757

AS55757 – Synechron Inc.

AS Number	55757
AS Name	SYNNET-AS-AP
Organization	Synechron Inc. (org-si9-ap)
Country	IN
Website	synechron.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS55757 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
202.59.231.0/24	AS55757	Synechron Inc.	Synechron Inc.	256
103.243.28.0/24	AS55757	Synechron Inc.	Synechron Technologies Pvt Ltd	256

Raw Whois Response

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

% Information related to 'AS55296 - AS56319'

as-block:       AS55296 - AS56319
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:  2009-09-03T01:15:30Z
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 'AS55757'

% Abuse contact for 'AS55757' is 'subscriptions@synechron.com'

aut-num:        AS55757
as-name:        SYNNET-AS-AP
descr:          Synechron Inc.
descr:          15 Corporate Place South
descr:          Suite 400
country:        IN
org:            ORG-SI9-AP
admin-c:        SINA3-AP
tech-c:         SINA3-AP
abuse-c:        AS2672-AP
mnt-lower:      MAINT-SYNNET-AP
mnt-routes:     MAINT-SYNNET-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-SYNNET-AP
last-modified:  2020-07-31T05:06:43Z
source:         APNIC

irt:            IRT-SYNNET-AP
address:        Synechron Technologies Pvt Ltd, CEDAR Building, Ascendas IT Park, Rajiv Gandhi Infotech Park, Hinjewadi Phase III,Pune 411057, India
e-mail:         subscriptions@synechron.com
abuse-mailbox:  subscriptions@synechron.com
admin-c:        SINA3-AP
tech-c:         SINA3-AP
auth:           # Filtered
remarks:        subscription@synechron.com
remarks:        subscriptions@synechron.com was validated on 2026-04-06
mnt-by:         MAINT-SYNNET-AP
last-modified:  2026-04-06T09:44:33Z
source:         APNIC

organisation:   ORG-SI9-AP
org-name:       Synechron Inc.
org-type:       LIR
country:        US
address:        15 Corporate Place South
address:        Suite 400
phone:          +91-982-250-0407
fax-no:         +91-20-30513400
e-mail:         umesh.bhapkar@synechron.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:42Z
source:         APNIC

role:           ABUSE SYNNETAP
country:        ZZ
address:        Synechron Technologies Pvt Ltd, CEDAR Building, Ascendas IT Park, Rajiv Gandhi Infotech Park, Hinjewadi Phase III,Pune 411057, India
phone:          +000000000
e-mail:         subscriptions@synechron.com
admin-c:        SINA3-AP
tech-c:         SINA3-AP
nic-hdl:        AS2672-AP
remarks:        Generated from irt object IRT-SYNNET-AP
remarks:        subscriptions@synechron.com was validated on 2026-04-06
abuse-mailbox:  subscriptions@synechron.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-04-06T09:45:08Z
source:         APNIC

role:           SYNECHRON INC - network administrator
address:        Synechron Technologies Pvt Ltd, CEDAR Building, Ascendas IT Park, Rajiv Gandhi Infotech Park, Hinjewadi Phase III,Pune 411057, India
country:        IN
phone:          +91-9970002426
e-mail:         bashir.khan@Synechron.com
admin-c:        SINA3-AP
tech-c:         SINA3-AP
nic-hdl:        SINA3-AP
mnt-by:         MAINT-SYNNET-AP
last-modified:  2016-10-11T06:04:35Z
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" : "AS55296 - AS56319",
    "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" : "2009-09-03",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS55757",
    "as_name" : "SYNNET-AS-AP",
    "description" : [ "Synechron Inc.", "15 Corporate Place South", "Suite 400" ],
    "country" : "IN",
    "organization" : "ORG-SI9-AP",
    "admin_contacts" : [ "SINA3-AP" ],
    "tech_contacts" : [ "SINA3-AP" ],
    "abuse_contacts" : [ "AS2672-AP" ],
    "mnt_irt" : [ "IRT-SYNNET-AP" ],
    "mnt_lower" : [ "MAINT-SYNNET-AP" ],
    "mnt_routes" : [ "MAINT-SYNNET-AP" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-07-31",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-SYNNET-AP",
    "address" : [ "Synechron Technologies Pvt Ltd, CEDAR Building, Ascendas IT Park, Rajiv Gandhi Infotech Park, Hinjewadi Phase III,Pune 411057, India" ],
    "street" : "Hinjewadi Phase Iii",
    "city" : "Pune",
    "zip_code" : "411057",
    "country" : "INDIA",
    "email" : [ "subscriptions@synechron.com" ],
    "abuse_mailbox" : [ "subscriptions@synechron.com" ],
    "admin_contacts" : [ "SINA3-AP" ],
    "tech_contacts" : [ "SINA3-AP" ],
    "remarks" : [ "subscription@synechron.com", "subscriptions@synechron.com was validated on 2026-04-06" ],
    "mnt_by" : [ "MAINT-SYNNET-AP" ],
    "date_updated" : "2026-04-06",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-SI9-AP",
    "name" : "Synechron Inc.",
    "type" : "LIR",
    "address" : [ "15 Corporate Place South", "Suite 400" ],
    "street" : "Corporate Place South",
    "country" : [ "US" ],
    "email" : [ "umesh.bhapkar@synechron.com" ],
    "phone" : [ "+91-982-250-0407" ],
    "fax_no" : [ "+91-20-30513400" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "SINA3-AP",
    "name" : "SYNECHRON INC - network administrator",
    "address" : [ "Synechron Technologies Pvt Ltd, CEDAR Building, Ascendas IT Park, Rajiv Gandhi Infotech Park, Hinjewadi Phase III,Pune 411057, India" ],
    "street" : "Hinjewadi Phase Iii",
    "city" : "Pune",
    "zip_code" : "411057",
    "country" : "IN",
    "email" : [ "bashir.khan@Synechron.com" ],
    "phone" : [ "+91-9970002426" ],
    "admin_contacts" : [ "SINA3-AP" ],
    "tech_contacts" : [ "SINA3-AP" ],
    "mnt_by" : [ "MAINT-SYNNET-AP" ],
    "date_updated" : "2016-10-11",
    "source" : "APNIC",
    "addressCountry" : "INDIA"
  } ],
  "technical_contacts" : [ {
    "handle" : "SINA3-AP",
    "name" : "SYNECHRON INC - network administrator",
    "address" : [ "Synechron Technologies Pvt Ltd, CEDAR Building, Ascendas IT Park, Rajiv Gandhi Infotech Park, Hinjewadi Phase III,Pune 411057, India" ],
    "street" : "Hinjewadi Phase Iii",
    "city" : "Pune",
    "zip_code" : "411057",
    "country" : "IN",
    "email" : [ "bashir.khan@Synechron.com" ],
    "phone" : [ "+91-9970002426" ],
    "admin_contacts" : [ "SINA3-AP" ],
    "tech_contacts" : [ "SINA3-AP" ],
    "mnt_by" : [ "MAINT-SYNNET-AP" ],
    "date_updated" : "2016-10-11",
    "source" : "APNIC",
    "addressCountry" : "INDIA"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AS2672-AP",
    "name" : "ABUSE SYNNETAP",
    "address" : [ "Synechron Technologies Pvt Ltd, CEDAR Building, Ascendas IT Park, Rajiv Gandhi Infotech Park, Hinjewadi Phase III,Pune 411057, India" ],
    "street" : "Hinjewadi Phase Iii",
    "city" : "Pune",
    "zip_code" : "411057",
    "country" : "ZZ",
    "email" : [ "subscriptions@synechron.com" ],
    "abuse_mailbox" : [ "subscriptions@synechron.com" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "SINA3-AP" ],
    "tech_contacts" : [ "SINA3-AP" ],
    "remarks" : [ "Generated from irt object IRT-SYNNET-AP", "subscriptions@synechron.com was validated on 2026-04-06" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-04-06",
    "source" : "APNIC",
    "addressCountry" : "INDIA"
  } ]
}

Peers

AS Number	Description	Country
AS55410	Vodafone Idea Ltd. VIL	IN
AS55410	Vodafone India Limited	IN
AS4755	Tata Communications (formerly VSNL)	IN
AS4755	Tata Communications Limited	IN

Upstreams

AS Number	Description	Country
AS55410	Vodafone Idea Ltd. VIL	IN
AS4755	Tata Communications Limited	IN

Contacts

Email Contacts

bashir.khan@Synechron.com subscriptions@synechron.com

Abuse Contacts

subscriptions@synechron.com