123.51.239.0/24

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 123.51.239.0/24

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

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 is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
123.51.239.44	xunweitech.com	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

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Pingable IPs

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

IP Address	ASN	Details
123.51.239.241	AS9919 New Century InfoComm Tech Co., Ltd.	`0.75ms` 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
84.82.82.24	AS1136 KPN B.V.	`1.49ms` from Amsterdam, NL
94.224.10.184	AS6848 Telenet BV	`5.73ms` from Brussels, BE
181.96.248.72	AS7303 Telecom Argentina S.A.	`1.71ms` from Buenos Aires, AR
38.60.18.136	AS174 Cogent Communications, LLC	`3.86ms` from Buffalo, US
136.185.178.8	AS24560 Bharti Airtel Ltd., Telemedia Services	`10.42ms` from Chennai, IN
207.228.98.104	AS852 TELUS Communications Inc.	`0.60ms` from Edmonton, CA
31.55.245.216	AS2856 British Telecommunications PLC	`0.92ms` from London, GB
81.108.151.72	AS5089 Virgin Media Limited	`8.39ms` from London, GB
151.224.5.152	AS5607 Sky UK Limited	`1.45ms` from London, GB
69.127.156.200	AS6128 Cablevision Systems Corp.	`9.32ms` from New York City, US
153.228.58.8	AS4713 NTT DOCOMO BUSINESS,Inc.	`7.05ms` from Osaka, JP
44.198.185.120	AS14618 Amazon.com, Inc.	`0.21ms` from Reston, US
120.25.65.152	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`2.49ms` from Shenzhen, CN
159.13.46.24	AS31898 Oracle Corporation	`0.16ms` from Sydney, AU
196.187.84.40	AS327934 SOCIETE NATIONALE DES TELECOMMUNICATIONS (Tunisie Telecom)	`17.49ms` from Tunis, TN
27.29.22.104	AS4134 CHINANET-BACKBONE	`3.22ms` from Wuhan, CN
108.39.218.72	AS701 Verizon Business	`6.54ms` from Ashburn, US
18.246.36.152	AS16509 Amazon.com, Inc.	`0.31ms` from Boardman, US
54.71.32.200	AS16509 Amazon.com, Inc.	`0.19ms` from Boardman, US
50.211.243.8	AS7922 Comcast Cable Communications, LLC	`5.58ms` from Greenwood Village, US
156.254.153.104	AS142286 LUOGELANG (FRANCE) LIMITED	`1.12ms` from Hong Kong, HK
187.250.225.120	AS8151 UNINET	`3.96ms` from Los Angeles, US
108.188.238.88	AS33363 Charter Communications, Inc	`9.64ms` from Orlando, US
153.200.116.168	AS4713 NTT DOCOMO BUSINESS,Inc.	`9.87ms` from Osaka, JP
176.168.238.120	AS5410 Bouygues Telecom SA	`3.72ms` from Paris, FR

Traceroute

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

traceroute -a -n -q1 -f5 123.51.239.57

traceroute to 123.51.239.57 (123.51.239.57): 64 hops max, 52 byte packets

5 [AS9002] 87.245.234.187 245.904 ms

6 [AS9002] 87.245.251.209 245.824 ms

7 *

8 [AS4780] 192.72.155.201 238.15 ms

9 [AS4780] 139.175.57.186 241.899 ms

10 *

11 [AS9919] 220.228.20.158 239.815 ms

12 [AS9919] 123.51.239.57 247.053 ms

Measurement taken from

IPinfo ProbeNet in Paris, FR

On December 14th 2025

What are IP address ranges?

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