61.66.78.0/24

AS9919 · New Century InfoComm Tech Co., Ltd.

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Summary

Country	Taiwan
Domain	twnic.net.tw
ASN	AS9919
Parent Range	61.66.0.0/16
Registry	APNIC
ID	TWNIC-TW

WHOIS Details

inetnum:        61.66.0.0 - 61.66.255.255
netname:        TWNIC-TW
descr:          Taiwan Network Information Center
descr:          4F-2, No. 9 Section 2, Roosevelt Road,
descr:          Taipei, Taiwan, R.O.C.
country:        TW
admin-c:        TWA2-AP
tech-c:         TWA2-AP
abuse-c:        AT939-AP
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-TW-TWNIC
mnt-irt:        IRT-TWNIC-AP
last-modified:  2026-02-03T03:39:19Z
source:         APNIC

irt:            IRT-TWNIC-AP
address:        3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan
e-mail:         hostmaster@twnic.tw
abuse-mailbox:  hostmaster@twnic.tw
admin-c:        TWA2-AP
tech-c:         TWA2-AP
auth:           # Filtered
remarks:        Please note that TWNIC is not an ISP and is not empowered
remarks:        to investigate complaints of network abuse.
remarks:        hostmaster@twnic.tw was validated on 2025-05-23
mnt-by:         MAINT-TW-TWNIC
last-modified:  2025-11-17T23:08:34Z
source:         APNIC

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

role:           TWNIC Whois Administrator
address:        Taiwan Network Information Center
address:        3F., No. 123, Sec. 4, Bade Rd., Songshan Dist.,
address:        Taipei, Taiwan, 105
country:        TW
phone:          +886-2-25289696
fax-no:         +886-2-25287756
e-mail:         hostmaster@twnic.net.tw
admin-c:        ck373-AP
tech-c:         TW922-AP
tech-c:         NS10-AP
nic-hdl:        TWA2-AP
notify:         hostmaster@twnic.net.tw
mnt-by:         MAINT-TW-TWNIC
last-modified:  2020-01-02T03:54:20Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 61.66.78.0/24

Range	ASN	Company	Num of IPs
61.66.0.0/16	AS4780	Taiwan Network Information Center	65,536
61.66.0.0/16	AS9919	Taiwan Network Information Center	65,536

Nearby Ranges

BGP prefixes that overlap with 61.66.0.0/16

Range	ASN	Company	Num of IPs
61.66.0.0/16	AS4780	Taiwan Network Information Center	65,536
61.66.0.0/16	AS9919	Taiwan Network Information Center	65,536
61.66.72.0/22	AS9919	New Century InfoComm Tech. Co., Ltd.	1,024
61.66.56.0/24	AS4780	New Century InfoComm Tech. Co., Ltd.	256
61.66.93.0/24	AS4780	New Century InfoComm Tech. Co., Ltd.	256
61.66.95.0/24	AS4780	New Century InfoComm Tech. Co., Ltd.	256
61.66.161.0/24	AS4780	New Century InfoComm Tech. Co., Ltd.	256
61.66.60.0/24	AS4780	New Century InfoComm Tech. Co., Ltd.	256
61.66.163.0/24	AS4780	New Century InfoComm Tech. Co., Ltd.	256
61.66.165.0/24	AS4780	New Century InfoComm Tech. Co., Ltd.	256
61.66.52.0/24	AS4780	New Century InfoComm Tech. Co., Ltd.	256
61.66.180.0/24	AS4780	New Century InfoComm Tech. Co., Ltd.	256
61.66.53.0/24	AS4780	New Century InfoComm Tech. Co., Ltd.	256
61.66.94.0/24	AS4780	New Century InfoComm Tech. Co., Ltd.	256
61.66.92.0/24	AS4780	New Century InfoComm Tech. Co., Ltd.	256
61.66.58.0/24	AS4780	New Century InfoComm Tech. Co., Ltd.	256
61.66.55.0/24	AS4780	New Century InfoComm Tech. Co., Ltd.	256
61.66.106.0/24	AS4780	New Century InfoComm Tech. Co., Ltd.	256
61.66.183.0/24	AS4780	New Century InfoComm Tech. Co., Ltd.	256
61.66.217.0/24	AS9919	New Century InfoComm Tech. Co., Ltd.	256
61.66.31.0/24	AS9919	New Century InfoComm Tech. Co., Ltd.	256
61.66.249.0/24	AS9919	New Century InfoComm Tech. Co., Ltd.	256
61.66.162.0/24	AS4780	New Century InfoComm Tech. Co., Ltd.	256
61.66.29.0/24	AS9919	New Century InfoComm Tech. Co., Ltd.	256
61.66.54.0/24	AS4780	New Century InfoComm Tech. Co., Ltd.	256
61.66.38.0/24	AS4780	New Century InfoComm Tech. Co., Ltd.	256

Hosted domains

There are 3 domain names hosted across 3 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
61.66.78.240	ppplaw.me	1
61.66.78.83	gbfine.com	1
61.66.78.200	nextron.com.tw	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

Read more

Pingable IPs

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

IP Address	ASN	Details
61.66.78.64	AS9919 New Century InfoComm Tech Co., Ltd.	`1.04ms` 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
73.36.232.88	AS7922 Comcast Cable Communications, LLC	`3.64ms` from Chicago, US
110.16.168.200	AS4837 CHINA UNICOM China169 Backbone	`5.91ms` from Hohhot, CN
64.219.200.136	AS7018 AT&T Enterprises, LLC	`1.36ms` from Houston, US
220.79.80.200	AS4766 Korea Telecom	`0.89ms` from Incheon, KR
80.1.49.184	AS5089 Virgin Media Limited	`10.56ms` from London, GB
67.150.84.168	AS20115 Charter Communications LLC	`3.84ms` from Los Angeles, US
60.186.206.152	AS4134 CHINANET-BACKBONE	`4.69ms` from Ningbo, CN
73.252.209.200	AS7922 Comcast Cable Communications, LLC	`5.74ms` from San Jose, US
104.42.49.24	AS8075 Microsoft Corporation	`0.59ms` from San Jose, US
38.35.146.200	AS265509 OPTOENLACES S.A. DE C.V.	`4.42ms` from Santiago de Querétaro, MX
211.195.52.136	AS4766 Korea Telecom	`2.42ms` from Seoul, KR
128.192.230.104	AS36441 University of Georgia	`3.12ms` from Atlanta, US
204.12.66.152	AS20021 Ntirety, Inc.	`0.62ms` from Denver, US
105.175.191.168	AS37119 UNITEL SA	`3.27ms` from Luanda, AO
44.200.120.120	AS14618 Amazon.com, Inc.	`0.22ms` from Reston, US
73.41.202.88	AS7922 Comcast Cable Communications, LLC	`7.68ms` from San Jose, US
186.193.136.104	AS262729 Telemidia Sistema de Telecomunicacao Ltda	`4.97ms` from Sao Paulo, BR
78.60.158.88	AS8764 Telia Lietuva, AB	`3.25ms` from Siauliai, LT
34.105.73.232	AS396982 Google LLC	`0.14ms` from The Dalles, US
203.182.129.120	AS4673 NTT DATA CORPORATION	`0.85ms` from Tokyo, JP
169.63.145.152	AS36351 IBM Cloud	`0.34ms` from Ashburn, US
18.118.165.168	AS16509 Amazon.com, Inc.	`0.67ms` from Columbus, US
192.231.83.8	AS30312 Netgate	`5.61ms` from Dallas, US
148.135.157.24	AS394380 Leaseweb USA, Inc.	`0.30ms` from Dallas, US
143.47.52.152	AS31898 Oracle Corporation	`0.14ms` from Madrid, ES

Traceroute

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

traceroute -a -n -q1 -f3 61.66.78.229

traceroute to 61.66.78.229 (61.66.78.229): 64 hops max, 52 byte packets

3 [AS9002] 87.245.232.39 212.799 ms

4 *

5 [AS4780] 192.72.124.239 212.453 ms

6 [AS4780] 139.175.57.218 212.642 ms

7 [AS4780] 192.72.107.98 205.435 ms

8 [AS9919] 220.228.20.150 206.138 ms

9 [AS9919] 61.66.78.229 213.232 ms

Measurement taken from

IPinfo ProbeNet in Madrid, ES

On April 13th 2026

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.

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