What is ASN AS154588?

ASN AS154588 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS154588?

AS154588 is listed under FAST SaaS Limited.

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.

AS154588 FAST SaaS Limited | IPGeolocation.io

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FAST SaaS Limited fast.site

HK 0 Routes

AS Data

AS154588

AS154588 – FAST SaaS Limited

AS Number	154588
AS Name	FASTSAASLIMITED-AS-AP
Organization	FAST SaaS Limited (org-fsl7-ap)
Country	HK
Website	fast.site
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

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Raw Whois Response

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

% Information related to 'AS153914 - AS154937'

as-block:       AS153914 - AS154937
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:  2025-04-01T05:54:59Z
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 'AS154588'

% Abuse contact for 'AS154588' is 'abuse@fast.site'

aut-num:        AS154588
as-name:        FASTSAASLIMITED-AS-AP
descr:          FAST SaaS Limited
country:        HK
org:            ORG-FSL7-AP
admin-c:        FSLA2-AP
tech-c:         FSLA2-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-FASTSAASLIMITED-HK
mnt-routes:     MAINT-FASTSAASLIMITED-HK
mnt-lower:      MAINT-FASTSAASLIMITED-HK
abuse-c:        AF920-AP
last-modified:  2026-04-07T07:02:39Z
source:         APNIC

irt:            IRT-FASTSAASLIMITED-HK
address:        8/F. China Hong Kong Tower, Hong Kong Wan Chai 00000
e-mail:         support@fast.site
abuse-mailbox:  abuse@fast.site
admin-c:        FSLA2-AP
tech-c:         FSLA2-AP
auth:           # Filtered
mnt-by:         MAINT-FASTSAASLIMITED-HK
last-modified:  2026-04-07T06:49:09Z
source:         APNIC

organisation:   ORG-FSL7-AP
org-name:       FAST SaaS Limited
org-type:       LIR
country:        HK
address:        8/F. China Hong Kong Tower
phone:          +85258090174
e-mail:         support@fast.site
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2026-03-25T13:25:33Z
source:         APNIC

role:           ABUSE FASTSAASLIMITEDHK
country:        ZZ
address:        8/F. China Hong Kong Tower, Hong Kong Wan Chai 00000
phone:          +000000000
e-mail:         support@fast.site
admin-c:        FSLA2-AP
tech-c:         FSLA2-AP
nic-hdl:        AF920-AP
remarks:        Generated from irt object IRT-FASTSAASLIMITED-HK
abuse-mailbox:  abuse@fast.site
mnt-by:         APNIC-ABUSE
last-modified:  2026-04-07T07:02:38Z
source:         APNIC

role:           FAST SaaS Limited administrator
address:        8/F. China Hong Kong Tower, Hong Kong Wan Chai 00000
country:        HK
phone:          +85258090174
e-mail:         support@fast.site
admin-c:        FSLA2-AP
tech-c:         FSLA2-AP
nic-hdl:        FSLA2-AP
mnt-by:         MAINT-FASTSAASLIMITED-HK
last-modified:  2026-04-07T06:48:53Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS153914 - AS154937",
    "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" : "2025-04-01",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS154588",
    "as_name" : "FASTSAASLIMITED-AS-AP",
    "description" : [ "FAST SaaS Limited" ],
    "country" : "HK",
    "organization" : "ORG-FSL7-AP",
    "admin_contacts" : [ "FSLA2-AP" ],
    "tech_contacts" : [ "FSLA2-AP" ],
    "abuse_contacts" : [ "AF920-AP" ],
    "mnt_irt" : [ "IRT-FASTSAASLIMITED-HK" ],
    "mnt_lower" : [ "MAINT-FASTSAASLIMITED-HK" ],
    "mnt_routes" : [ "MAINT-FASTSAASLIMITED-HK" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2026-04-07",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-FASTSAASLIMITED-HK",
    "address" : [ "8/F. China Hong Kong Tower, Hong Kong Wan Chai 00000" ],
    "city" : "Wan Chai",
    "zip_code" : "00000",
    "email" : [ "support@fast.site" ],
    "abuse_mailbox" : [ "abuse@fast.site" ],
    "admin_contacts" : [ "FSLA2-AP" ],
    "tech_contacts" : [ "FSLA2-AP" ],
    "mnt_by" : [ "MAINT-FASTSAASLIMITED-HK" ],
    "date_updated" : "2026-04-07",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-FSL7-AP",
    "name" : "FAST SaaS Limited",
    "type" : "LIR",
    "address" : [ "8/F. China Hong Kong Tower" ],
    "country" : [ "HK" ],
    "email" : [ "support@fast.site" ],
    "phone" : [ "+85258090174" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2026-03-25",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "FSLA2-AP",
    "name" : "FAST SaaS Limited administrator",
    "address" : [ "8/F. China Hong Kong Tower, Hong Kong Wan Chai 00000" ],
    "city" : "Wan Chai",
    "zip_code" : "00000",
    "country" : "HK",
    "email" : [ "support@fast.site" ],
    "phone" : [ "+85258090174" ],
    "admin_contacts" : [ "FSLA2-AP" ],
    "tech_contacts" : [ "FSLA2-AP" ],
    "mnt_by" : [ "MAINT-FASTSAASLIMITED-HK" ],
    "date_updated" : "2026-04-07",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "FSLA2-AP",
    "name" : "FAST SaaS Limited administrator",
    "address" : [ "8/F. China Hong Kong Tower, Hong Kong Wan Chai 00000" ],
    "city" : "Wan Chai",
    "zip_code" : "00000",
    "country" : "HK",
    "email" : [ "support@fast.site" ],
    "phone" : [ "+85258090174" ],
    "admin_contacts" : [ "FSLA2-AP" ],
    "tech_contacts" : [ "FSLA2-AP" ],
    "mnt_by" : [ "MAINT-FASTSAASLIMITED-HK" ],
    "date_updated" : "2026-04-07",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AF920-AP",
    "name" : "ABUSE FASTSAASLIMITEDHK",
    "address" : [ "8/F. China Hong Kong Tower, Hong Kong Wan Chai 00000" ],
    "city" : "Wan Chai",
    "zip_code" : "00000",
    "country" : "ZZ",
    "email" : [ "support@fast.site" ],
    "abuse_mailbox" : [ "abuse@fast.site" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "FSLA2-AP" ],
    "tech_contacts" : [ "FSLA2-AP" ],
    "remarks" : [ "Generated from irt object IRT-FASTSAASLIMITED-HK" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-04-07",
    "source" : "APNIC"
  } ]
}