123.51.128.0/19

AS9919  ·  New Century InfoComm Tech Co., Ltd.

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Summary

Country Taiwan
Domain seed.net.tw
ASN AS9919
Parent Range 123.51.128.0/17
Registry APNIC
ID NCICNET-NET

WHOIS Details

inetnum:        123.51.128.0 - 123.51.255.255
netname:        NCICNET-NET
descr:          New Century InfoComm Tech. Co., Ltd.
descr:          1F~11F, No. 218, Rueiguang Road
descr:          Taipei Taiwan 114
country:        TW
admin-c:        JC256-AP
tech-c:         JC256-AP
abuse-c:        AT939-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-TW-TWNIC
mnt-lower:      MAINT-TW-TWNIC
mnt-routes:     MAINT-TW-TWNIC
mnt-irt:        IRT-NCIC-TW
last-modified:  2023-11-30T03:52:57Z
source:         APNIC

irt:            IRT-NCIC-TW
address:        New Century InfoComm Tech. Co., Ltd.
address:        1F~11F, No. 218, Rueiguang Road
address:        Taipei Taiwan 114
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        JC256-AP
tech-c:         JC256-AP
auth:           # Filtered
mnt-by:         MAINT-TW-TWNIC
last-modified:  2025-11-06T07:26:18Z
source:         APNIC

role:           ABUSE TWNICAP
country:        ZZ
address:        3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan
phone:          +000000000
e-mail:         [email protected]
admin-c:        TWA2-AP
tech-c:         TWA2-AP
nic-hdl:        AT939-AP
remarks:        Generated from irt object IRT-TWNIC-AP
remarks:        [email protected] was validated on 2025-05-23
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2025-05-23T00:02:10Z
source:         APNIC

person:         Jonas Chou
nic-hdl:        JC256-AP
e-mail:         [email protected]
address:        2F, No.218, Rueiguang Road
address:        Taipei, 114, R.O.C
phone:          +886-2-7700-8888
fax-no:         +886-2-7700-8888
country:        TW
mnt-by:         MAINT-TW-TWNIC
last-modified:  2012-12-18T10:10:01Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 123.51.128.0/19

Range ASN Company Num of IPs
123.51.128.0/17 AS9919 New Century InfoComm Tech. Co., Ltd. 32,768
123.51.128.0/17 AS4780 New Century InfoComm Tech. Co., Ltd. 32,768

BGP prefixes that are contained by 123.51.128.0/19

Range ASN Company Num of IPs
123.51.132.0/22 AS4780 New Century InfoComm Tech. Co., Ltd. 1,024
123.51.128.0/22 AS9919 New Century InfoComm Tech. Co., Ltd. 1,024
123.51.132.0/22 AS9919 New Century InfoComm Tech. Co., Ltd. 1,024

Nearby Ranges

BGP prefixes that overlap with 123.51.0.0/16

Range ASN Company Num of IPs
123.51.128.0/17 AS4780 New Century InfoComm Tech. Co., Ltd. 32,768
123.51.0.0/17 AS38333 Telcoinabox Operations Pty Ltd 32,768
123.51.128.0/17 AS9919 New Century InfoComm Tech. Co., Ltd. 32,768
123.51.0.0/17 AS45510 Telcoinabox Operations Pty Ltd 32,768
123.51.172.0/22 AS4780 New Century InfoComm Tech. Co., Ltd. 1,024
123.51.220.0/22 AS4780 New Century InfoComm Tech. Co., Ltd. 1,024
123.51.220.0/22 AS9919 New Century InfoComm Tech. Co., Ltd. 1,024
123.51.132.0/22 AS4780 New Century InfoComm Tech. Co., Ltd. 1,024
123.51.160.0/22 AS4780 New Century InfoComm Tech. Co., Ltd. 1,024
123.51.168.0/22 AS4780 New Century InfoComm Tech. Co., Ltd. 1,024
123.51.128.0/22 AS9919 New Century InfoComm Tech. Co., Ltd. 1,024
123.51.132.0/22 AS9919 New Century InfoComm Tech. Co., Ltd. 1,024
123.51.160.0/22 AS9919 New Century InfoComm Tech. Co., Ltd. 1,024
123.51.164.0/22 AS9919 New Century InfoComm Tech. Co., Ltd. 1,024
123.51.168.0/22 AS9919 New Century InfoComm Tech. Co., Ltd. 1,024
123.51.172.0/22 AS9919 New Century InfoComm Tech. Co., Ltd. 1,024
123.51.0.0/24 AS38333 Level 6, 9-13 Young Street 256
123.51.188.0/24 AS9919 New Century InfoComm Tech. Co., Ltd. 256
123.51.193.0/24 AS9919 New Century InfoComm Tech. Co., Ltd. 256
123.51.194.0/24 AS9919 New Century InfoComm Tech. Co., Ltd. 256
123.51.195.0/24 AS9919 New Century InfoComm Tech. Co., Ltd. 256
123.51.181.0/24 AS4780 New Century InfoComm Tech. Co., Ltd. 256
123.51.196.0/24 AS9919 New Century InfoComm Tech. Co., Ltd. 256
123.51.197.0/24 AS9919 New Century InfoComm Tech. Co., Ltd. 256
123.51.198.0/24 AS9919 New Century InfoComm Tech. Co., Ltd. 256
123.51.199.0/24 AS9919 New Century InfoComm Tech. Co., Ltd. 256
123.51.208.0/24 AS9919 New Century InfoComm Tech. Co., Ltd. 256

Hosted domains

There are 46 domain names hosted across 27 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
123.51.154.69 rollingbet.info 8
123.51.146.66 cityfm.tw 2
123.51.146.72 cotabank.com 2
123.51.155.60 bmotor.com.tw 2
123.51.140.83 flyingphoenix.com.tw 1
123.51.145.26 wpgo2o.com 1
123.51.144.43 dcc.com.tw 1
123.51.143.12 milksha.tech 1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.
Useful for Cybersecurity

Pingable IPs

640 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
123.51.130.254 AS9919 New Century InfoComm Tech Co., Ltd. 1.92ms from Taipei, TW
123.51.131.254 AS9919 New Century InfoComm Tech Co., Ltd. 1.82ms from Taipei, TW
123.51.141.52 AS9919 New Century InfoComm Tech Co., Ltd. 1.44ms from Taipei, TW
123.51.158.254 AS9919 New Century InfoComm Tech Co., Ltd. 1.03ms from Taipei, TW
123.51.156.33 AS9919 New Century InfoComm Tech Co., Ltd. 1.34ms from Taipei, TW
123.51.159.184 AS4780 Digital United Inc. 1.37ms from Taipei, TW
123.51.146.59 AS9919 New Century InfoComm Tech Co., Ltd. 3.14ms from Taipei, TW
123.51.138.254 AS9919 New Century InfoComm Tech Co., Ltd. 3.40ms from Taipei, TW
123.51.128.39 AS9919 New Century InfoComm Tech Co., Ltd. 1.68ms from Taipei, TW
123.51.145.17 AS9919 New Century InfoComm Tech Co., Ltd. 1.30ms from Taipei, TW
123.51.144.56 AS9919 New Century InfoComm Tech Co., Ltd. 0.57ms from Taipei, TW
123.51.157.23 AS9919 New Century InfoComm Tech Co., Ltd. 0.65ms from Taipei, TW
123.51.152.8 AS9919 New Century InfoComm Tech Co., Ltd. 0.66ms from Taipei, TW
123.51.137.254 AS9919 New Century InfoComm Tech Co., Ltd. 3.71ms from Taipei, TW
123.51.153.112 AS9919 New Century InfoComm Tech Co., Ltd. 1.32ms from Taipei, TW
123.51.136.254 AS9919 New Century InfoComm Tech Co., Ltd. 3.69ms from Taipei, TW
123.51.155.106 AS4780 Digital United Inc. 5.36ms from Taipei, TW
123.51.150.81 AS9919 New Century InfoComm Tech Co., Ltd. 2.86ms from Taipei, TW
123.51.149.104 AS4780 Digital United Inc. 1.40ms from Taipei, TW
123.51.134.254 AS9919 New Century InfoComm Tech Co., Ltd. 1.35ms from Taipei, TW
123.51.139.254 AS9919 New Century InfoComm Tech Co., Ltd. 3.62ms from Taipei, TW
123.51.133.255 AS4780 Digital United Inc. 0.75ms from Taipei, TW
123.51.143.19 AS4780 Digital United Inc. 6.02ms from Taipei, TW
123.51.147.53 AS9919 New Century InfoComm Tech Co., Ltd. 5.35ms from Taipei, TW
123.51.151.17 AS4780 Digital United Inc. 5.62ms from Taipei, TW

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
52.26.52.211 AS16509 Amazon.com, Inc. 0.18ms from Boardman, US
112.192.45.67 AS4837 CHINA UNICOM China169 Backbone 10.14ms from Chengdu, CN
50.57.181.3 AS19994 Rackspace Hosting 1.37ms from Chicago, US
187.192.235.227 AS8151 UNINET 4.00ms from Guadalajara, MX
178.55.210.3 AS16086 DNA Oyj 11.82ms from Helsinki, FI
91.154.13.163 AS719 Elisa Oyj 0.73ms from Helsinki, FI
167.56.29.179 AS6057 Administracion Nacional de Telecomunicaciones 1.63ms from Montevideo, UY
27.198.241.35 AS4837 CHINA UNICOM China169 Backbone 8.76ms from Qingdao, CN
201.140.223.147 AS61794 AVATO TECNOLOGIA S.A 19.57ms from Sao Paulo, BR
27.83.228.3 AS2516 KDDI CORPORATION 1.05ms from Tokyo, JP
74.200.5.227 AS15830 Equinix (EMEA) Acquisition Enterprises B.V. 1.36ms from Toronto, CA
64.92.84.51 AS25645 Momentum Telecom, Inc. 0.21ms from Ashburn, US
198.28.152.3 AS11272 C Spire Fiber 8.15ms from Atlanta, US
187.228.82.99 AS8151 UNINET 12.42ms from Cancún, MX
98.168.177.163 AS22773 Cox Communications Inc. 8.61ms from Dallas, US
52.51.176.67 AS16509 Amazon.com, Inc. 0.14ms from Dublin, IE
4.231.136.195 AS8075 Microsoft Corporation 0.19ms from Dublin, IE
139.66.16.195 AS35039 SAP SE 2.39ms from Frankfurt am Main, DE
35.32.246.3 AS27274 Central Michigan University 2.75ms from Grand Rapids, US
122.231.170.3 AS4134 CHINANET-BACKBONE 5.63ms from Hangzhou, CN
47.243.71.115 AS45102 Alibaba (US) Technology Co., Ltd. 0.75ms from Hong Kong, HK
5.76.218.67 AS9198 JSC Kazakhtelecom 4.75ms from Karagandy, KZ
182.65.37.67 AS24560 Bharti Airtel Ltd., Telemedia Services 1.85ms from Kolkata, IN
39.130.45.67 AS9808 China Mobile Communications Group Co., Ltd. 5.52ms from Kunming, CN
117.163.140.211 AS56045 China Mobile communications corporation 10.78ms from Nanchang, CN

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 -f3 123.51.151.16
traceroute to 123.51.151.16 (123.51.151.16): 64 hops max, 52 byte packets
4 [AS4780] 192.72.250.13 0.904 ms
7 [AS4780] 139.175.57.46 8.915 ms
8 [AS4780] 192.72.223.58 6.187 ms
9 [AS4780] 123.51.151.16 6.162 ms
Measurement taken from IPinfo ProbeNet in Taipei, TW
On

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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