ASN Lookup Tool

Netsec Limited netsec.com HK HK 485 Routes

AS Data

AS45753

AS45753Netsec Limited

AS Number 45753
AS Name NETSEC-HK
Organization Netsec Limited(org-nass1-ap)
Country HK
Website netsec.com
Number of IPv4 Routes 484
Number of IPv6 Routes 1
ASN type BUSINESS
Registry APNIC
Date Allocated N/A

ASN Intelligence API for production workflows

Use ASN data for AS45753 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
216.118.240.0/24 256
103.84.84.0/22 1024
52.128.248.0/24 256
182.16.79.0/24 256
148.66.14.0/24 256
182.16.25.0/24 256
216.118.229.0/24 256
103.91.9.0/24 256
180.178.32.0/24 256
182.16.49.0/24 256

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 'AS45753'

% Abuse contact for 'AS45753' is 'abuse@netsec.com'

aut-num:        AS45753
as-name:        NETSEC-HK
descr:          Netsec Limited
country:        HK
org:            ORG-NASS1-AP
admin-c:        NN411-AP
tech-c:         NN411-AP
abuse-c:        AN893-AP
mnt-lower:      MAINT-NETSEC-HK
mnt-routes:     MAINT-NETSEC-HK
mnt-by:         APNIC-HM
mnt-irt:        IRT-NETSEC-HK
last-modified:  2021-08-10T01:28:42Z
source:         APNIC

irt:            IRT-NETSEC-HK
address:        Unit 2607-08, 26/F, Billion Plaza, 8 Cheung Yue St, Cheung Sha Wan, Kowloon, Hong Kong
e-mail:         noc@netsec.com
abuse-mailbox:  abuse@netsec.com
admin-c:        NN541-AP
tech-c:         NN541-AP
auth:           # Filtered
remarks:        abuse@netsec.com was validated on 2025-09-18
remarks:        noc@netsec.com was validated on 2025-11-25
mnt-by:         MAINT-NETSEC-HK
last-modified:  2025-11-25T06:20:14Z
source:         APNIC

organisation:   ORG-NASS1-AP
org-name:       Netsec Limited
org-type:       LIR
country:        HK
address:        RM 2607-08, 26/F, Billion Plaza, 8 Cheung Yue St, Cheung Sha
phone:          +852-27511100
fax-no:         +852-27511199
e-mail:         noc@netsec.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:31Z
source:         APNIC

role:           ABUSE NETSECHK
country:        ZZ
address:        Unit 2607-08, 26/F, Billion Plaza, 8 Cheung Yue St, Cheung Sha Wan, Kowloon, Hong Kong
phone:          +000000000
e-mail:         noc@netsec.com
admin-c:        NN541-AP
tech-c:         NN541-AP
nic-hdl:        AN893-AP
remarks:        Generated from irt object IRT-NETSEC-HK
remarks:        abuse@netsec.com was validated on 2025-09-18
remarks:        noc@netsec.com was validated on 2025-11-25
abuse-mailbox:  abuse@netsec.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-25T06:20:47Z
source:         APNIC

role:           NETSEC NOC
address:        Unit 2607-08, 26/F, Billion Plaza, 8 Cheung Yue St, Cheung Sha Wan, Kowloon, Hong Kong
country:        HK
phone:          +85227511100
e-mail:         noc@netsec.com
admin-c:        NN411-AP
tech-c:         NN411-AP
nic-hdl:        NN411-AP
mnt-by:         MAINT-HK-NETSEC
last-modified:  2016-08-19T04:24:15Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-JP1)

Parsed Whois Response

Peers

AS Number Description Country
AS963 N963 PTE. LTD. SG
AS4766 Korea Telecom KR
AS4637 Telstra Global HK
AS4809 China Telecom Next Generation Carrier Network CN
AS10099 China Unicom Global HK
AS9744 XLC GLOBAL Limited HK
AS4134 China Telecom Backbone CN
AS9744 XLC GLOBAL HK
AS1299 Arelion Sweden AB SE
AS23764 China Telecom Global Limited HK

Upstreams

AS Number Description Country
AS9744 XLC GLOBAL Limited HK
AS1299 Arelion Sweden AB SE
AS4766 Korea Telecom KR
AS23764 China Telecom Global Limited HK
AS963 N963 SG
AS4134 CHINANET BACKBONE No.31,Jin rong Street CN

Contacts

Email Contacts

Abuse Contacts

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Frequently Asked Questions

ASN AS45753 is an Autonomous System Number used to identify a network for BGP internet routing.
AS45753 is listed under Netsec Limited.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.