What is ASN AS135124?

ASN AS135124 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS135124?

AS135124 is listed under Green Surma Communications.

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.

AS135124 Green Surma Communications

ASN Lookup Tool

Green Surma Communications gsc.com.bd

BD 3 Routes

AS Data

AS135124

AS135124 – Green Surma Communications

AS Number	135124
AS Name	GSC-AS-AP
Organization	Green Surma Communications (org-gsc1-ap)
Country	BD
Website	gsc.com.bd
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS135124 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
103.135.175.0/24	AS135124	Green Surma Communications	Green Surma Communications	256
103.135.172.0/24	AS135124	Green Surma Communications	Green Surma Communications	256
103.135.173.0/24	AS135124	Green Surma Communications	Green Surma Communications	256

Raw Whois Response

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

% Information related to 'AS134557 - AS135580'

as-block:       AS134557 - AS135580
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:  2014-09-03T01:31:50Z
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 'AS135124'

% Abuse contact for 'AS135124' is 'info@gsc.com.bd'

aut-num:        AS135124
as-name:        GSC-AS-AP
descr:          Green Surma Communications
country:        BD
org:            ORG-GSC1-AP
admin-c:        GSCA1-AP
tech-c:         GSCA1-AP
abuse-c:        AG1059-AP
mnt-lower:      MAINT-GSC-BD
mnt-routes:     MAINT-GSC-BD
mnt-by:         APNIC-HM
mnt-irt:        IRT-GSC-BD
last-modified:  2021-01-20T22:24:26Z
source:         APNIC

irt:            IRT-GSC-BD
address:        Ground Floor, 111 Garden Tower, Mendibag, Sylhet, Bangladesh, Sylhet Sylhet
e-mail:         info@gsc.com.bd
abuse-mailbox:  info@gsc.com.bd
admin-c:        GSCA1-AP
tech-c:         GSCA1-AP
auth:           # Filtered
remarks:        info@gsc.com.bd
remarks:        info@gsc.com.bd is invalid
mnt-by:         MAINT-GSC-BD
last-modified:  2025-11-18T00:32:54Z
source:         APNIC

organisation:   ORG-GSC1-AP
org-name:       Green Surma Communications
org-type:       LIR
country:        BD
address:        Ground Floor, 111 Garden Tower, Mendibag, Sylhet, Bangladesh
phone:          +8801848340880
e-mail:         info@gsc.com.bd
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2026-03-01T13:09:59Z
source:         APNIC

role:           ABUSE GSCBD
country:        ZZ
address:        Ground Floor, 111 Garden Tower, Mendibag, Sylhet, Bangladesh, Sylhet Sylhet
phone:          +000000000
e-mail:         info@gsc.com.bd
admin-c:        GSCA1-AP
tech-c:         GSCA1-AP
nic-hdl:        AG1059-AP
remarks:        Generated from irt object IRT-GSC-BD
remarks:        info@gsc.com.bd is invalid
abuse-mailbox:  info@gsc.com.bd
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-18T04:04:06Z
source:         APNIC

role:           Green Surma Communications administrator
address:        Ground Floor, 111 Garden Tower, Mendibag, Sylhet, Bangladesh, Sylhet Sylhet
country:        BD
phone:          +8801848340880
e-mail:         info@gsc.com.bd
admin-c:        GSCA1-AP
tech-c:         GSCA1-AP
nic-hdl:        GSCA1-AP
mnt-by:         MAINT-GSC-BD
last-modified:  2022-12-12T02:56:42Z
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" : "AS134557 - AS135580",
    "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" : "2014-09-03",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS135124",
    "as_name" : "GSC-AS-AP",
    "description" : [ "Green Surma Communications" ],
    "country" : "BD",
    "organization" : "ORG-GSC1-AP",
    "admin_contacts" : [ "GSCA1-AP" ],
    "tech_contacts" : [ "GSCA1-AP" ],
    "abuse_contacts" : [ "AG1059-AP" ],
    "mnt_irt" : [ "IRT-GSC-BD" ],
    "mnt_lower" : [ "MAINT-GSC-BD" ],
    "mnt_routes" : [ "MAINT-GSC-BD" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2021-01-20",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-GSC-BD",
    "address" : [ "Ground Floor, 111 Garden Tower, Mendibag, Sylhet, Bangladesh, Sylhet Sylhet" ],
    "city" : "Sylhet",
    "district" : "Bangladesh Sylhet",
    "state" : "SYLHET",
    "email" : [ "info@gsc.com.bd" ],
    "abuse_mailbox" : [ "info@gsc.com.bd" ],
    "admin_contacts" : [ "GSCA1-AP" ],
    "tech_contacts" : [ "GSCA1-AP" ],
    "remarks" : [ "info@gsc.com.bd", "info@gsc.com.bd is invalid" ],
    "mnt_by" : [ "MAINT-GSC-BD" ],
    "date_updated" : "2025-11-18",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-GSC1-AP",
    "name" : "Green Surma Communications",
    "type" : "LIR",
    "address" : [ "Ground Floor, 111 Garden Tower, Mendibag, Sylhet, Bangladesh" ],
    "city" : "Sylhet",
    "country" : [ "BD" ],
    "email" : [ "info@gsc.com.bd" ],
    "phone" : [ "+8801848340880" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2026-03-01",
    "source" : "APNIC",
    "addressCountry" : "BANGLADESH"
  },
  "administrative_contacts" : [ {
    "handle" : "GSCA1-AP",
    "name" : "Green Surma Communications administrator",
    "address" : [ "Ground Floor, 111 Garden Tower, Mendibag, Sylhet, Bangladesh, Sylhet Sylhet" ],
    "city" : "Sylhet",
    "district" : "Bangladesh Sylhet",
    "state" : "SYLHET",
    "country" : "BD",
    "email" : [ "info@gsc.com.bd" ],
    "phone" : [ "+8801848340880" ],
    "admin_contacts" : [ "GSCA1-AP" ],
    "tech_contacts" : [ "GSCA1-AP" ],
    "mnt_by" : [ "MAINT-GSC-BD" ],
    "date_updated" : "2022-12-12",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "GSCA1-AP",
    "name" : "Green Surma Communications administrator",
    "address" : [ "Ground Floor, 111 Garden Tower, Mendibag, Sylhet, Bangladesh, Sylhet Sylhet" ],
    "city" : "Sylhet",
    "district" : "Bangladesh Sylhet",
    "state" : "SYLHET",
    "country" : "BD",
    "email" : [ "info@gsc.com.bd" ],
    "phone" : [ "+8801848340880" ],
    "admin_contacts" : [ "GSCA1-AP" ],
    "tech_contacts" : [ "GSCA1-AP" ],
    "mnt_by" : [ "MAINT-GSC-BD" ],
    "date_updated" : "2022-12-12",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AG1059-AP",
    "name" : "ABUSE GSCBD",
    "address" : [ "Ground Floor, 111 Garden Tower, Mendibag, Sylhet, Bangladesh, Sylhet Sylhet" ],
    "city" : "Sylhet",
    "district" : "Bangladesh Sylhet",
    "state" : "SYLHET",
    "country" : "ZZ",
    "email" : [ "info@gsc.com.bd" ],
    "abuse_mailbox" : [ "info@gsc.com.bd" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "GSCA1-AP" ],
    "tech_contacts" : [ "GSCA1-AP" ],
    "remarks" : [ "Generated from irt object IRT-GSC-BD", "info@gsc.com.bd is invalid" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2025-11-18",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS139009	Windstream Communication Limited	BD
AS139009	Windstream Communication Ltd	BD
AS58717	Summit Communications Ltd	BD
AS58717	Summit Communications Limited	BD