175.185.16.0/20

AS4538  ·  China Education and Research Network Center

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Summary

Country China
Domain cernet.edu.cn
ASN AS4538
Parent Range 175.185.0.0/16
Registry APNIC
ID SHR-CERNET

WHOIS Details

inetnum:        175.185.0.0 - 175.185.255.255
netname:        SHR-CERNET
descr:          China Education and Research Network
descr:          Shanghai Regional Network
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:19Z
source:         APNIC

irt:            IRT-CERNET-AP
address:        Network Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
fax-no:         +86-10-62785933
e-mail:         abuse@cernet.edu.cn
abuse-mailbox:  abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
remarks:        timezone GMT+8
remarks:        http://www.ccert.edu.cn
remarks:        abuse@cernet.edu.cn was validated on 2025-08-15
mnt-by:         MAINT-CERNET-AP
last-modified:  2025-11-18T00:26:28Z
source:         APNIC

role:           ABUSE CERNETAP
country:        ZZ
address:        Network Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
e-mail:         abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
remarks:        Generated from irt object IRT-CERNET-AP
remarks:        abuse@cernet.edu.cn was validated on 2025-08-15
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-15T09:38:28Z
source:         APNIC

role:           CERNET Helpdesk
address:        CERNET Center
address:        Beijing 100084, China
country:        CN
phone:          +86-10-6278-4049
fax-no:         +86-10-6278-5933
e-mail:         helpdesk@cernet.edu.cn
remarks:        abuse@cernet.edu.cn
admin-c:        XL1-CN
tech-c:         SZ2-AP
nic-hdl:        CER-AP
mnt-by:         MAINT-CERNET-AP
last-modified:  2020-09-03T09:14:12Z
source:         APNIC

route:          175.185.0.0/16
descr:          CERNET
origin:         AS4538
mnt-by:         MAINT-CERNET-AP
last-modified:  2010-01-28T10:56:00Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 175.185.16.0/20

Range ASN Company Num of IPs
175.185.0.0/16 AS4538 China Education and Research Network 65,536

Nearby Ranges

BGP prefixes that overlap with 175.185.0.0/16

Range ASN Company Num of IPs
175.185.0.0/16 AS4538 China Education and Research Network 65,536

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

Pingable IPs

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

IP Address ASN Details
175.185.16.238 AS4538 China Education and Research Network Center 5.04ms from Shanghai, CN
175.185.18.14 AS4538 China Education and Research Network Center 5.89ms from Shanghai, CN
175.185.19.1 AS4538 China Education and Research Network Center 5.89ms from Shanghai, CN
175.185.25.240 AS4538 China Education and Research Network Center 5.87ms from Shanghai, CN
175.185.21.134 AS4538 China Education and Research Network Center 5.44ms 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
132.145.140.4 AS31898 Oracle Corporation 0.41ms from Ashburn, US
123.56.130.212 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 1.98ms from Beijing, CN
20.228.56.212 AS8075 Microsoft Corporation 0.40ms from Des Moines, US
8.210.3.20 AS45102 Alibaba (US) Technology Co., Ltd. 0.61ms from Hong Kong, HK
70.238.228.20 AS7018 AT&T Enterprises, LLC 9.34ms from Kansas City, US
60.164.196.36 AS4134 CHINANET-BACKBONE 7.29ms from Lanzhou, CN
81.131.161.148 AS2856 British Telecommunications PLC 4.82ms from London, GB
105.16.136.4 AS37100 SEACOM Limited 11.41ms from Nairobi, KE
173.62.193.68 AS701 Verizon Business 1.88ms from Philadelphia, US
186.203.58.244 AS26615 TIM S/A 1.41ms from Sao Paulo, BR
182.216.242.36 AS17858 LG POWERCOMM 3.64ms from Seoul, KR
222.99.238.132 AS4766 Korea Telecom 1.51ms from Seoul, KR
180.167.225.84 AS4812 China Telecom (Group) 3.60ms from Shanghai, CN
8.209.220.4 AS45102 Alibaba (US) Technology Co., Ltd. 1.36ms from Tokyo, JP
87.195.92.212 AS12414 Solcon Internetdiensten B.V. 6.54ms from Amsterdam, NL
52.186.180.68 AS8075 Microsoft Corporation 0.57ms from Ashburn, US
71.81.1.68 AS20115 Charter Communications LLC 8.61ms from Atlanta, US
99.122.161.84 AS7018 AT&T Enterprises, LLC 3.45ms from Dallas, US
110.227.119.180 AS24560 Bharti Airtel Ltd., Telemedia Services 10.15ms from Delhi, IN
178.16.187.180 AS34263 MPY Telecom Oy 9.31ms from Helsinki, FI
216.114.239.132 AS12042 Fidium 6.45ms from Minneapolis, US
104.248.108.36 AS14061 DigitalOcean, LLC 0.11ms from New York City, US
90.79.16.196 AS3215 Orange S.A. 3.15ms from Paris, FR
97.120.182.212 AS209 CenturyLink Communications, LLC 1.83ms from Portland, US
61.81.126.228 AS4766 Korea Telecom 5.54ms from Seoul, KR

Traceroute

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

$
traceroute -a -n -q1 175.185.19.2
traceroute to 175.185.19.2 (175.185.19.2): 64 hops max, 52 byte packets
1 [AS396426] 45.141.12.1 2.221 ms
4 *
5 *
6 *
9 *
10 *
11 *
12 [] 123.255.91.118 179.792 ms
13 [AS4538] 101.4.114.181 215.372 ms
14 *
15 *
16 *
17 [AS4538] 101.4.115.202 242.391 ms
18 *
19 *
20 *
21 *
22 *
23 *
24 *
25 *
26 [AS4538] 175.185.19.2 245.981 ms
Measurement taken from IPinfo ProbeNet in Port Edwards, US
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.

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