202.195.240.0/20

AS4538  ·  China Education and Research Network Center

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Summary

Country China
Domain cernet.edu.cn
ASN AS4538
Parent Range 202.192.0.0/13
Registry APNIC
ID CERNET-CN

WHOIS Details

inetnum:        202.192.0.0 - 202.199.255.255
netname:        CERNET-CN
descr:          China Education and Research Network
descr:          SY Region
descr:          China Education and Research Network Center
descr:          Tsinghua University
descr:          Beijing, 100084
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        service provider
remarks:        [email protected] 960130
mnt-by:         APNIC-HM
mnt-irt:        IRT-CERNET-AP
last-modified:  2021-10-30T08:29:34Z
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
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:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
remarks:        timezone GMT+8
remarks:        http://www.ccert.edu.cn
remarks:        [email protected] 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:         [email protected]
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
remarks:        Generated from irt object IRT-CERNET-AP
remarks:        [email protected] was validated on 2025-08-15
abuse-mailbox:  [email protected]
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:         [email protected]
remarks:        [email protected]
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

Overlapping Ranges

BGP prefixes that contain 202.195.240.0/20

Range ASN Company Num of IPs
202.192.0.0/13 AS4538 China Education and Research Network 524,288

Nearby Ranges

BGP prefixes that overlap with 202.195.0.0/16

Range ASN Company Num of IPs
202.192.0.0/13 AS4538 China Education and Research Network 524,288

Hosted domains

There are 9 domain names hosted across 2 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP

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

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

IP Address ASN Details
202.195.243.168 AS4538 China Education and Research Network Center 7.02ms from Shanghai, CN
202.195.250.57 AS4538 China Education and Research Network Center 7.19ms from Shanghai, CN
202.195.241.10 AS4538 China Education and Research Network Center 7.14ms from Shanghai, CN
202.195.242.136 AS4538 China Education and Research Network Center 6.45ms from Shanghai, CN
202.195.244.96 AS4538 China Education and Research Network Center 6.63ms from Shanghai, CN
202.195.252.123 AS4538 China Education and Research Network Center 6.41ms from Shanghai, CN
202.195.240.8 AS4538 China Education and Research Network Center 6.19ms from Shanghai, CN
202.195.246.240 AS4538 China Education and Research Network Center 6.64ms from Shanghai, CN
202.195.247.11 AS4538 China Education and Research Network Center 6.35ms 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
142.234.33.68 AS7979 Servers.com, Inc. 0.32ms from Amsterdam, NL
139.85.254.4 AS1358 Hughes Network Systems, LLC 2.07ms from Ashburn, US
96.70.188.228 AS7922 Comcast Cable Communications, LLC 7.36ms from Ashburn, US
100.20.102.180 AS16509 Amazon.com, Inc. 0.15ms from Boardman, US
195.4.192.196 AS60175 WORTMANN AG 4.93ms from Duesseldorf, DE
196.171.68.212 AS24691 TogoTelecom, Togo 3.28ms from Lomé, TG
68.47.108.84 AS7922 Comcast Cable Communications, LLC 2.45ms from Minneapolis, US
95.213.249.180 AS50340 JSC Selectel 0.78ms from Moscow, RU
151.161.30.20 AS398573 Commonwealth University of Pennsylvania 10.22ms from New York City, US
126.220.44.212 AS17676 SoftBank Corp. 3.45ms from Osaka, JP
86.246.180.100 AS3215 Orange S.A. 1.64ms from Paris, FR
125.176.204.52 AS17858 LG POWERCOMM 2.83ms from Seoul, KR
49.142.230.36 AS7623 Gyeongbuk Cable TV 7.73ms from Seoul, KR
67.22.52.36 AS29789 Reflected Networks, Inc. 0.20ms from Singapore, SG
51.91.182.228 AS16276 OVH SAS 0.08ms from Strasbourg, FR
133.35.215.84 AS2907 Research Organization of Information and Systems, National Institute of Informatics 6.18ms from Tokyo, JP
210.16.174.132 AS146817 Hubei Feixun Network Co., Ltd 6.44ms from Wuhan, CN
108.233.114.212 AS7018 AT&T Enterprises, LLC 8.33ms from Atlanta, US
67.224.58.228 AS7029 Windstream Communications LLC 2.96ms from Atlanta, US
94.20.154.164 AS29049 Delta Telecom Ltd 0.04ms from Baku, AZ
34.122.226.20 AS396982 Google LLC 0.12ms from Council Bluffs, US
168.87.135.132 AS3360 DXC US Latin America Corporation 1.25ms from Dallas, US
97.139.231.20 AS6167 Verizon Business 8.77ms from Denver, US
102.161.122.52 AS30999 EMTEL LIMITED 15.58ms from Ebene, MU
146.75.116.180 AS54113 Fastly, Inc. 0.18ms from Frankfurt am Main, DE

Traceroute

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

$
traceroute -a -n -q1 -f4 -m19 202.195.254.38
traceroute to 202.195.254.38 (202.195.254.38): 19 hops max, 52 byte packets
4 [AS4538] 101.4.114.181 36.686 ms
5 *
6 *
7 [AS4538] 101.4.112.66 53.796 ms
8 [AS4538] 101.4.118.214 54.188 ms
9 [AS4538] 101.4.112.62 60.135 ms
10 *
11 [AS4538] 101.4.117.26 67.32 ms
12 [AS4538] 101.4.118.105 64.255 ms
13 [AS4538] 101.4.116.97 64.192 ms
14 [AS4538] 219.219.156.53 64.862 ms
15 [AS4538] 211.65.206.194 63.759 ms
16 [AS4538] 211.65.206.198 64.236 ms
17 *
18 *
19 *
Measurement taken from IPinfo ProbeNet in Hong Kong, HK
On

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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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