202.195.208.0/20

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 202.195.208.0/20

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 3 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
202.195.210.203 xn--1lqq7ihgi6rf4cf98d2royia.online 2

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

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

IP Address ASN Details
202.195.209.104 AS4538 China Education and Research Network Center 7.00ms from Shanghai, CN
202.195.208.87 AS4538 China Education and Research Network Center 7.49ms from Shanghai, CN
202.195.210.203 AS4538 China Education and Research Network Center 8.15ms from Shanghai, CN
202.195.214.76 AS4538 China Education and Research Network Center 6.88ms 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
45.255.132.228 AS135391 AOFEI DATA INTERNATIONAL COMPANY LIMITED 0.70ms from Amsterdam, NL
154.199.185.132 AS20326 TeraSwitch Networks Inc. 0.22ms from Amsterdam, NL
52.201.9.148 AS14618 Amazon.com, Inc. 0.57ms from Ashburn, US
175.155.193.132 AS4837 CHINA UNICOM China169 Backbone 3.97ms from Chengdu, CN
104.240.83.68 AS5650 Frontier Communications of America, Inc. 15.01ms from Chicago, US
93.209.243.100 AS3320 Deutsche Telekom AG 4.61ms from Frankfurt am Main, DE
136.39.12.68 AS16591 Google Fiber Inc. 0.57ms from Kansas City, US
109.184.20.132 AS12389 PJSC Rostelecom 6.47ms from Kazan, RU
112.112.47.164 AS4134 CHINANET-BACKBONE 1.39ms from Kunming, CN
56.125.95.4 AS16509 Amazon.com, Inc. 0.86ms from Osasco, BR
103.243.202.212 AS45974 NHNCLOUD 1.25ms from Seoul, KR
211.223.169.52 AS4766 Korea Telecom 5.55ms from Seoul, KR
73.80.42.20 AS7922 Comcast Cable Communications, LLC 9.75ms from Ashburn, US
172.214.56.228 AS8075 Microsoft Corporation 0.38ms from Ashburn, US
102.186.252.180 AS24835 Vodafone Data 12.75ms from Cairo, EG
181.176.39.4 AS262210 VIETTEL PERÚ S.A.C. 0.42ms from Lima, PE
151.62.107.180 AS1267 WIND TRE S.P.A. 7.24ms from Milan, IT
179.218.202.196 AS28573 Claro NXT Telecomunicacoes Ltda 8.63ms from Rio de Janeiro, BR
3.105.107.100 AS16509 Amazon.com, Inc. 0.15ms from Sydney, AU
1.162.181.36 AS3462 Data Communication Business Group 1.07ms from Taipei, TW
132.71.18.244 AS378 IUCC - Israel InterUniversity Computation Center 0.85ms from Tel Aviv, IL
62.141.204.228 AS21021 Multimedia Polska Sp. z o.o. 15.88ms from Warsaw, PL
117.139.143.36 AS139080 The Internet Data Center of Sichuan Mobile Communication Company Limited 2.25ms from Chengdu, CN
52.252.195.196 AS8075 Microsoft Corporation 0.44ms from Chicago, US
68.32.10.20 AS7922 Comcast Cable Communications, LLC 8.83ms from Flint, US

Traceroute

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

$
traceroute -a -n -q1 -m21 202.195.218.233
traceroute to 202.195.218.233 (202.195.218.233): 21 hops max, 52 byte packets
1 [AS33876] 185.11.167.3 315.215 ms
2 *
3 [AS24768] 94.46.128.18 6.661 ms
4 *
5 *
6 *
7 *
8 [AS1299] 62.115.136.217 28.485 ms
9 [AS1299] 62.115.136.214 31.486 ms
10 [AS1299] 62.115.137.137 268.47 ms
11 [AS1299] 62.115.141.63 250.035 ms
12 [AS1299] 80.239.130.173 208.511 ms
13 [AS4538] 101.4.114.181 237.934 ms
14 *
15 [AS4538] 101.4.117.81 236.48 ms
16 [AS4538] 101.4.112.66 262.398 ms
17 *
18 [AS4538] 101.4.112.62 260.836 ms
19 *
20 *
21 *
Measurement taken from IPinfo ProbeNet in Faro, PT
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.

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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