202.199.96.0/20

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 202.199.96.0/20

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 202.199.0.0/16

Range ASN Company Num of IPs
202.192.0.0/13 AS4538 China Education and Research Network 524,288
202.199.240.0/21 AS4538 Anshan Institute of Iron and Steel Technology 2,048
202.199.248.0/21 AS4538 Anshan Normal College 2,048

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

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

IP Address ASN Details
202.199.103.209 AS4538 China Education and Research Network Center 8.10ms from Dalian, CN
202.199.100.188 AS4538 China Education and Research Network Center 17.62ms from Beijing, CN
202.199.98.228 AS4538 China Education and Research Network Center 3.73ms from Liaoyang, 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
207.50.52.68 AS19901 Brightspeed 11.21ms from Atlanta, US
73.184.111.84 AS7922 Comcast Cable Communications, LLC 4.73ms from Atlanta, US
120.92.111.244 AS59019 Beijing Kingsoft Cloud Internet Technology Co., Ltd 2.79ms from Beijing, CN
50.31.5.196 AS32748 Steadfast 0.32ms from Chicago, US
42.115.250.180 AS18403 FPT Telecom Company 2.48ms from Ho Chi Minh City, VN
79.13.46.84 AS3269 Telecom Italia S.p.A. 5.41ms from Milan, IT
68.175.134.100 AS11351 Charter Communications Inc 17.82ms from New York City, US
67.55.101.84 AS27257 Webair Internet Development Company Inc. 0.93ms from New York City, US
182.165.106.4 AS17511 OPTAGE Inc. 2.60ms from Osaka, JP
200.10.20.212 AS11340 Red Universitaria Nacional 9.75ms from Santiago, CL
49.165.183.20 AS17858 LG POWERCOMM 2.08ms from Seoul, KR
37.60.18.132 AS50923 Metroset Ltd. 8.24ms from Yekaterinburg, RU
106.222.78.36 AS45609 Bharti Airtel Ltd. AS for GPRS Service 1.89ms from Ahmedabad, IN
157.240.243.132 AS32934 Facebook, Inc. 0.12ms from Barcelona, ES
58.83.140.36 AS9308 Abitcool(China) Inc. 2.74ms from Beijing, CN
24.147.144.52 AS7922 Comcast Cable Communications, LLC 7.62ms from Boston, US
217.227.239.164 AS3320 Deutsche Telekom AG 6.12ms from Frankfurt am Main, DE
121.197.0.164 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 4.79ms from Hangzhou, CN
118.98.77.164 AS7713 PT Telekomunikasi Indonesia 0.79ms from Jakarta, ID
176.110.214.132 AS38917 INTERCOMTEL Limited Company 5.94ms from Moscow, RU
86.247.101.68 AS3215 Orange S.A. 2.29ms from Paris, FR
54.198.226.244 AS14618 Amazon.com, Inc. 0.20ms from Reston, US
63.199.29.196 AS7018 AT&T Enterprises, LLC 1.57ms from San Jose, US
179.242.87.244 AS22085 Claro S/A 15.44ms from Sao Paulo, BR
138.116.179.84 AS33004 SUNY Empire State University 5.04ms from Secaucus, US

Traceroute

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

$
traceroute -a -n -q1 -f2 -m21 202.199.96.217
traceroute to 202.199.96.217 (202.199.96.217): 21 hops max, 52 byte packets
5 *
6 [AS38082] 122.144.26.0 37.373 ms
7 *
8 *
9 [] 69.194.169.210 99.516 ms
10 [] 203.22.182.34 133.195 ms
11 [AS4134] 202.97.52.97 175.091 ms
12 *
13 [AS4134] 202.97.61.133 188.138 ms
14 *
15 *
16 [AS4538] 101.4.117.225 167.559 ms
17 [AS4538] 101.4.114.233 165.891 ms
18 [AS4538] 101.4.113.138 166.914 ms
19 *
20 *
21 *
Measurement taken from IPinfo ProbeNet in Vientiane, LA
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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