203.166.191.0/24

AS138421 · China Unicom

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Summary

Country	China
Domain	entrust.com
ASN	AS138421
Registry	APNIC
ID	ENTRUSTNET

WHOIS Details

inetnum:        203.166.160.0 - 203.166.191.255
netname:        ENTRUSTNET
descr:          Entrust Network Inc.
descr:          Building A2, 501 liyuan road, huangpu district, Shanghai
country:        CN
admin-c:        YW7118-AP
tech-c:         JS4343-AP
abuse-c:        AC1601-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-CNNIC-AP
mnt-irt:        IRT-ENTRUSTNET-CN
mnt-lower:      MAINT-CNNIC-AP
mnt-routes:     MAINT-CNCGROUP-RR
last-modified:  2023-11-28T00:57:18Z
source:         APNIC

irt:            IRT-ENTRUSTNET-CN
address:        Building A2, 501 liyuan road, huangpu district, Shanghai
e-mail:         zhou.yu@21viacloud.com
abuse-mailbox:  zhou.yu@21viacloud.com
auth:           # Filtered
admin-c:        YW7118-AP
tech-c:         JS4343-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2021-06-17T02:15:52Z
source:         APNIC

role:           ABUSE CNNICCN
country:        ZZ
address:        Beijing, China
phone:          +000000000
e-mail:         ipas@cnnic.cn
admin-c:        IP50-AP
tech-c:         IP50-AP
nic-hdl:        AC1601-AP
remarks:        Generated from irt object IRT-CNNIC-CN
abuse-mailbox:  ipas@cnnic.cn
mnt-by:         APNIC-ABUSE
last-modified:  2024-07-30T11:55:46Z
source:         APNIC

person:         Wu Yucheng
address:        Building A2, 501 liyuan road, huangpu district, Shanghai
country:        CN
phone:          +86-021-58667922
e-mail:         wu.yucheng@21viacloud.com
nic-hdl:        JS4343-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2020-08-10T03:12:06Z
source:         APNIC

person:         Zhou Yu
address:        Building A2, 501 liyuan road, huangpu district, Shanghai
country:        CN
phone:          +86-021-63015500-160
e-mail:         zhou.yu@21viacloud.com
nic-hdl:        YW7118-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2020-08-10T03:12:06Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 203.166.0.0/16

Range	ASN	Company	Num of IPs
203.166.0.0/17	AS703	Verizon Australia PTY Limited	32,768
203.166.224.0/19	AS7545	iiNet Limited	8,192
203.166.192.0/20	AS9326	PT Centrin Online Prima	4,096
203.166.128.0/20	AS10031	WEBSATMEDIA PTE LTD	4,096
203.166.64.0/21	AS12234	Verizon Australia PTY Limited	2,048
203.166.160.0/22	AS138421	Entrust Network Inc.	1,024
203.166.240.0/22	AS7545	iiNet Limited	1,024
203.166.228.0/22	AS7545	iiNet Limited	1,024
203.166.208.0/22	AS18033	CMB TAEGU BROADCASTING	1,024
203.166.212.0/22	AS18033	CMB TAEGU BROADCASTING	1,024
203.166.252.0/22	AS7545	iiNet Limited	1,024
203.166.232.0/22	AS7545	iiNet Limited	1,024
203.166.236.0/22	AS7545	iiNet Limited	1,024
203.166.248.0/22	AS7545	iiNet Limited	1,024
203.166.224.0/22	AS7545	iiNet Limited	1,024
203.166.220.0/22	AS63981	43/F, AIA Tower, 183 Electric Road, North Point, Hong Kong	1,024
203.166.244.0/22	AS7545	iiNet Limited	1,024
203.166.158.0/23	AS139719	WEBSATMEDIA PTE LTD	512
203.166.52.0/23	AS1699	UUNET Non-Portable Customer Assignment	512
203.166.186.0/23	AS138421	Entrust Network Inc.	512
203.166.131.0/24	AS10031	Cloud Service	256
203.166.159.0/24	AS139719	Cloud Service	256
203.166.212.0/24	AS18033	CMB TAEGU BROADCASTING	256
203.166.219.0/24	AS45657	NSW Rural Fire Service	256
203.166.158.0/24	AS139719	Cloud Service	256
203.166.216.0/24	AS133736	Field Solutions Group Pty Ltd	256
203.166.79.0/24	AS12234	Verizon Australia PTY Limited	256
203.166.188.0/24	AS138421	Entrust Network Inc.	256
203.166.168.0/24	AS138421	Entrust Network Inc.	256
203.166.74.0/24	AS12234	Verizon Australia PTY Limited	256
203.166.166.0/24	AS138421	Entrust Network Inc.	256
203.166.214.0/24	AS18033	CMB TAEGU BROADCASTING	256
203.166.217.0/24	AS45319	Universitas Bhayangkara	256
203.166.172.0/24	AS138421	Entrust Network Inc.	256
203.166.189.0/24	AS138421	Entrust Network Inc.	256
203.166.177.0/24	AS138421	Entrust Network Inc.	256
203.166.215.0/24	AS18033	CMB TAEGU BROADCASTING	256
203.166.165.0/24	AS138421	Entrust Network Inc.	256
203.166.218.0/24	AS56307	NSW Education Standards Authority	256
203.166.213.0/24	AS18033	CMB TAEGU BROADCASTING	256

Hosted domains

There are no domains currently hosted on this ASN.

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

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

IP Address	ASN	Details
203.166.191.34	AS138421 China Unicom	4.76ms from Shanghai, CN

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
144.217.87.56	AS16276 OVH SAS	0.13ms from Beauharnois, CA
38.191.4.136	AS395876 Huxley Communications Cooperative	9.92ms from Chicago, US
76.142.188.88	AS7922 Comcast Cable Communications, LLC	9.18ms from Houston, US
121.89.105.24	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	0.44ms from Jining, CN
159.65.177.248	AS14061 DigitalOcean, LLC	0.24ms from New York City, US
192.100.170.152	AS8151 UNINET	11.80ms from Santiago de Queretaro, MX
221.159.225.184	AS4766 Korea Telecom	4.67ms from Seoul, KR
16.171.236.216	AS16509 Amazon.com, Inc.	0.11ms from Stockholm, SE
193.100.64.72	AS16509 Amazon.com, Inc.	0.50ms from Frankfurt am Main, DE
51.120.235.248	AS8075 Microsoft Corporation	1.82ms from Oslo, NO
113.196.126.24	AS9919 New Century InfoComm Tech Co., Ltd.	0.94ms from Taipei, TW
143.233.3.200	AS2546 Ariadne-t Network	2.45ms from Athens, GR
18.203.191.152	AS16509 Amazon.com, Inc.	0.12ms from Dublin, IE
130.244.132.88	AS1257 Tele2 Sverige AB	0.62ms from Goeteborg, SE
87.6.123.248	AS3269 Telecom Italia S.p.A.	5.91ms from Milan, IT
208.53.228.40	AS13576 SOUTH DAKOTA NETWORK	11.63ms from Minneapolis, US
119.231.215.184	AS17511 OPTAGE Inc.	2.77ms from Osaka, JP
126.29.50.184	AS17676 SoftBank Corp.	9.81ms from Osaka, JP
169.233.247.120	AS5739 University of California, Santa Cruz	4.85ms from San Jose, US
197.14.170.168	AS2609 Tunisia BackBone AS	15.28ms from Tunis, TN
34.29.222.24	AS396982 Google LLC	0.11ms from Council Bluffs, US
35.244.75.200	AS396982 Google LLC	0.09ms from Sydney, AU
123.8.237.216	AS4837 CHINA UNICOM China169 Backbone	3.53ms from Zhengzhou, CN
185.97.237.120	AS215733 Blacknight Internet Solutions Limited	2.22ms from Dublin, IE
74.225.168.152	AS8075 Microsoft Corporation	0.13ms from Lohogaon, IN

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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