Summary

Country
HK Hong Kong
Domain ctcsci.com
Size 256
Registry APNIC
Network Name CTCSCITECHLIMITED-HK

Whois

inetnum: 187.54.48.0 - 187.54.63.255
netname: CTCSCITECHLIMITED-HK
descr: CTCSCI TECH LIMITED
country: HK
org: ORG-CTL14-AP
admin-c: CTLA8-AP
tech-c: CTLA8-AP
abuse-c: AC2739-AP
status: ALLOCATED PORTABLE
remarks: --------------------------------------------------------
remarks: To report network abuse, please contact mnt-irt
remarks: For troubleshooting, please contact tech-c and admin-c
remarks: Report invalid contact via www.apnic.net/invalidcontact
remarks: --------------------------------------------------------
mnt-by: APNIC-HM
mnt-lower: MAINT-CTCSCITECHLIMITED-HK
mnt-routes: MAINT-CTCSCITECHLIMITED-HK
mnt-irt: IRT-CTCSCITECHLIMITED-HK
last-modified: 2026-05-13T05:54:38Z
source: APNIC

irt: IRT-CTCSCITECHLIMITED-HK
address: RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong, HONG KONG PAI RD KWAI CHUNG NT 100
e-mail: [email protected]
abuse-mailbox: [email protected]
admin-c: CTLA8-AP
tech-c: CTLA8-AP
auth: # Filtered
remarks: [email protected] was validated on 2026-01-05
remarks: [email protected] was validated on 2026-01-05
mnt-by: MAINT-CTCSCITECHLIMITED-HK
last-modified: 2026-06-09T17:14:26Z
source: APNIC

organisation: ORG-CTL14-AP
org-name: CTCSCI TECH LIMITED
org-type: LIR
country: HK
address: RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong
phone: +85259588341
e-mail: [email protected]
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2025-05-08T13:15:50Z
source: APNIC

role: ABUSE CTCSCITECHLIMITEDHK
country: ZZ
address: RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong, HONG KONG PAI RD KWAI CHUNG NT 100
phone: +000000000
e-mail: [email protected]
admin-c: CTLA8-AP
tech-c: CTLA8-AP
nic-hdl: AC2739-AP
remarks: Generated from irt object IRT-CTCSCITECHLIMITED-HK
remarks: [email protected] was validated on 2026-01-05
remarks: [email protected] was validated on 2026-01-05
abuse-mailbox: [email protected]
mnt-by: APNIC-ABUSE
last-modified: 2026-01-05T09:12:43Z
source: APNIC

role: CTCSCI TECH LIMITED administrator
address: RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong, HONG KONG PAI RD KWAI CHUNG NT 100
country: HK
phone: +85266881450
e-mail: [email protected]
admin-c: CTLA8-AP
tech-c: CTLA8-AP
nic-hdl: CTLA8-AP
mnt-by: MAINT-CTCSCITECHLIMITED-HK
last-modified: 2023-09-25T15:13:59Z
abuse-mailbox: [email protected]
source: APNIC

route: 187.54.48.0/24
origin: AS10753
descr: CTCSCI TECH LIMITED
RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong
mnt-by: MAINT-CTCSCITECHLIMITED-HK
last-modified: 2026-05-22T05:02:14Z
source: APNIC

route: 187.54.48.0/24
origin: AS137897
descr: CTCSCI TECH LIMITED
RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong
mnt-by: MAINT-CTCSCITECHLIMITED-HK
last-modified: 2026-06-17T07:56:31Z
source: APNIC

route: 187.54.48.0/24
origin: AS206675
descr: CTCSCI TECH LIMITED
RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong
mnt-by: MAINT-CTCSCITECHLIMITED-HK
last-modified: 2026-05-22T05:02:39Z
source: APNIC

route: 187.54.48.0/24
origin: AS3491
descr: CTCSCI TECH LIMITED
RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong
mnt-by: MAINT-CTCSCITECHLIMITED-HK
last-modified: 2026-06-17T07:48:26Z
source: APNIC

route: 187.54.48.0/24
origin: AS400618
descr: CTCSCI TECH LIMITED
RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong
mnt-by: MAINT-CTCSCITECHLIMITED-HK
last-modified: 2026-07-06T06:20:44Z
source: APNIC

route: 187.54.48.0/24
origin: AS4515
descr: CTCSCI TECH LIMITED
RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong
mnt-by: MAINT-CTCSCITECHLIMITED-HK
last-modified: 2026-05-22T05:01:47Z
source: APNIC

CIDR IP address subranges within 187.54.48.0/24 subnet

  • 187.54.48.0/32
  • 187.54.48.1/32
  • 187.54.48.2/32
  • 187.54.48.3/32
  • 187.54.48.4/32
  • 187.54.48.5/32
  • 187.54.48.6/32
  • 187.54.48.7/32
  • 187.54.48.8/32
  • 187.54.48.9/32
  • 187.54.48.10/32
  • 187.54.48.11/32
  • 187.54.48.12/32
  • 187.54.48.13/32
  • 187.54.48.14/32
  • 187.54.48.15/32
  • 187.54.48.16/32
  • 187.54.48.17/32
  • 187.54.48.18/32
  • 187.54.48.19/32
  • 187.54.48.20/32
  • 187.54.48.21/32
  • 187.54.48.22/32
  • 187.54.48.23/32
  • 187.54.48.24/32
  • 187.54.48.25/32
  • 187.54.48.26/32
  • 187.54.48.27/32
  • 187.54.48.28/32
  • 187.54.48.29/32
  • 187.54.48.30/32
  • 187.54.48.31/32
  • 187.54.48.32/32
  • 187.54.48.33/32
  • 187.54.48.34/32
  • 187.54.48.35/32
  • 187.54.48.36/32
  • 187.54.48.37/32
  • 187.54.48.38/32
  • 187.54.48.39/32
  • 187.54.48.40/32
  • 187.54.48.41/32
  • 187.54.48.42/32
  • 187.54.48.43/32
  • 187.54.48.44/32
  • 187.54.48.45/32
  • 187.54.48.46/32
  • 187.54.48.47/32
  • 187.54.48.48/32
  • 187.54.48.49/32
  • 187.54.48.50/32
  • 187.54.48.51/32
  • 187.54.48.52/32
  • 187.54.48.53/32
  • 187.54.48.54/32
  • 187.54.48.55/32
  • 187.54.48.56/32
  • 187.54.48.57/32
  • 187.54.48.58/32
  • 187.54.48.59/32
  • 187.54.48.60/32
  • 187.54.48.61/32
  • 187.54.48.62/32
  • 187.54.48.63/32
  • 187.54.48.64/32
  • 187.54.48.65/32
  • 187.54.48.66/32
  • 187.54.48.67/32
  • 187.54.48.68/32
  • 187.54.48.69/32
  • 187.54.48.70/32
  • 187.54.48.71/32
  • 187.54.48.72/32
  • 187.54.48.73/32
  • 187.54.48.74/32
  • 187.54.48.75/32
  • 187.54.48.76/32
  • 187.54.48.77/32
  • 187.54.48.78/32
  • 187.54.48.79/32
  • 187.54.48.80/32
  • 187.54.48.81/32
  • 187.54.48.82/32
  • 187.54.48.83/32
  • 187.54.48.84/32
  • 187.54.48.85/32
  • 187.54.48.86/32
  • 187.54.48.87/32
  • 187.54.48.88/32
  • 187.54.48.89/32
  • 187.54.48.90/32
  • 187.54.48.91/32
  • 187.54.48.92/32
  • 187.54.48.93/32
  • 187.54.48.94/32
  • 187.54.48.95/32
  • 187.54.48.96/32
  • 187.54.48.97/32
  • 187.54.48.98/32
  • 187.54.48.99/32
  • 187.54.48.100/32
  • 187.54.48.101/32
  • 187.54.48.102/32
  • 187.54.48.103/32
  • 187.54.48.104/32
  • 187.54.48.105/32
  • 187.54.48.106/32
  • 187.54.48.107/32
  • 187.54.48.108/32
  • 187.54.48.109/32
  • 187.54.48.110/32
  • 187.54.48.111/32
  • 187.54.48.112/32
  • 187.54.48.113/32
  • 187.54.48.114/32
  • 187.54.48.115/32
  • 187.54.48.116/32
  • 187.54.48.117/32
  • 187.54.48.118/32
  • 187.54.48.119/32
  • 187.54.48.120/32
  • 187.54.48.121/32
  • 187.54.48.122/32
  • 187.54.48.123/32
  • 187.54.48.124/32
  • 187.54.48.125/32
  • 187.54.48.126/32
  • 187.54.48.127/32
  • 187.54.48.128/32
  • 187.54.48.129/32
  • 187.54.48.130/32
  • 187.54.48.131/32
  • 187.54.48.132/32
  • 187.54.48.133/32
  • 187.54.48.134/32
  • 187.54.48.135/32
  • 187.54.48.136/32
  • 187.54.48.137/32
  • 187.54.48.138/32
  • 187.54.48.139/32
  • 187.54.48.140/32
  • 187.54.48.141/32
  • 187.54.48.142/32
  • 187.54.48.143/32
  • 187.54.48.144/32
  • 187.54.48.145/32
  • 187.54.48.146/32
  • 187.54.48.147/32
  • 187.54.48.148/32
  • 187.54.48.149/32
  • 187.54.48.150/32
  • 187.54.48.151/32
  • 187.54.48.152/32
  • 187.54.48.153/32
  • 187.54.48.154/32
  • 187.54.48.155/32
  • 187.54.48.156/32
  • 187.54.48.157/32
  • 187.54.48.158/32
  • 187.54.48.159/32
  • 187.54.48.160/32
  • 187.54.48.161/32
  • 187.54.48.162/32
  • 187.54.48.163/32
  • 187.54.48.164/32
  • 187.54.48.165/32
  • 187.54.48.166/32
  • 187.54.48.167/32
  • 187.54.48.168/32
  • 187.54.48.169/32
  • 187.54.48.170/32
  • 187.54.48.171/32
  • 187.54.48.172/32
  • 187.54.48.173/32
  • 187.54.48.174/32
  • 187.54.48.175/32
  • 187.54.48.176/32
  • 187.54.48.177/32
  • 187.54.48.178/32
  • 187.54.48.179/32
  • 187.54.48.180/32
  • 187.54.48.181/32
  • 187.54.48.182/32
  • 187.54.48.183/32
  • 187.54.48.184/32
  • 187.54.48.185/32
  • 187.54.48.186/32
  • 187.54.48.187/32
  • 187.54.48.188/32
  • 187.54.48.189/32
  • 187.54.48.190/32
  • 187.54.48.191/32
  • 187.54.48.192/32
  • 187.54.48.193/32
  • 187.54.48.194/32
  • 187.54.48.195/32
  • 187.54.48.196/32
  • 187.54.48.197/32
  • 187.54.48.198/32
  • 187.54.48.199/32
  • 187.54.48.200/32
  • 187.54.48.201/32
  • 187.54.48.202/32
  • 187.54.48.203/32
  • 187.54.48.204/32
  • 187.54.48.205/32
  • 187.54.48.206/32
  • 187.54.48.207/32
  • 187.54.48.208/32
  • 187.54.48.209/32
  • 187.54.48.210/32
  • 187.54.48.211/32
  • 187.54.48.212/32
  • 187.54.48.213/32
  • 187.54.48.214/32
  • 187.54.48.215/32
  • 187.54.48.216/32
  • 187.54.48.217/32
  • 187.54.48.218/32
  • 187.54.48.219/32
  • 187.54.48.220/32
  • 187.54.48.221/32
  • 187.54.48.222/32
  • 187.54.48.223/32
  • 187.54.48.224/32
  • 187.54.48.225/32
  • 187.54.48.226/32
  • 187.54.48.227/32
  • 187.54.48.228/32
  • 187.54.48.229/32
  • 187.54.48.230/32
  • 187.54.48.231/32
  • 187.54.48.232/32
  • 187.54.48.233/32
  • 187.54.48.234/32
  • 187.54.48.235/32
  • 187.54.48.236/32
  • 187.54.48.237/32
  • 187.54.48.238/32
  • 187.54.48.239/32
  • 187.54.48.240/32
  • 187.54.48.241/32
  • 187.54.48.242/32
  • 187.54.48.243/32
  • 187.54.48.244/32
  • 187.54.48.245/32
  • 187.54.48.246/32
  • 187.54.48.247/32
  • 187.54.48.248/32
  • 187.54.48.249/32
  • 187.54.48.250/32
  • 187.54.48.251/32
  • 187.54.48.252/32
  • 187.54.48.253/32
  • 187.54.48.254/32
  • 187.54.48.255/32

Get started with 100,000 free lookups: sign up