222.203.132.0/23

AS4538  ·  China Education and Research Network Center

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Summary

Country China
Domain cernet.edu.cn
ASN AS4538
Registry APNIC
ID GZR-CERNET

WHOIS Details

inetnum:        222.200.0.0 - 222.203.255.255
netname:        GZR-CERNET
descr:          China Education and Research Network
descr:          Guangzhou Regional Network
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        origin AS4538
remarks:        confederation
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:13Z
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

Nearby Ranges

BGP prefixes that overlap with 222.203.0.0/16

No nearby ranges found.

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

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
65.9.80.231 AS16509 Amazon.com, Inc. 0.20ms from Amsterdam, NL
134.164.252.215 AS6009 United States Department of Defense (DoD) 0.60ms from Atlanta, US
130.215.83.7 AS64011 Asia Pacific Network Information Centre 3.43ms from Boston, US
95.69.8.23 AS42863 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A. 8.69ms from Braga, PT
18.117.124.231 AS16509 Amazon.com, Inc. 0.69ms from Columbus, US
45.26.3.151 AS7018 AT&T Enterprises, LLC 2.38ms from Durham, US
81.137.221.71 AS2856 British Telecommunications PLC 2.02ms from Erith, GB
14.154.179.183 AS4134 CHINANET-BACKBONE 2.34ms from Guangzhou, CN
112.213.86.199 AS45544 SUPERDATA-VN 1.34ms from Ho Chi Minh City, VN
90.216.212.87 AS5607 Sky UK Limited 0.89ms from London, GB
76.71.187.231 AS577 Bell Canada 1.84ms from Montreal, CA
122.32.47.39 AS17858 LG POWERCOMM 6.47ms from Seoul, KR
13.49.17.151 AS16509 Amazon.com, Inc. 0.11ms from Stockholm, SE
23.214.34.199 AS16625 Akamai Technologies, Inc. 0.10ms from Sydney, AU
129.158.211.7 AS31898 Oracle Corporation 0.28ms from Ashburn, US
49.231.106.39 AS131445 Advance Wireless Network 6.48ms from Bangkok, TH
73.253.164.215 AS7922 Comcast Cable Communications, LLC 8.78ms from Boston, US
174.2.167.167 AS6327 Shaw Communications 10.46ms from Edmonton, CA
93.237.142.103 AS3320 Deutsche Telekom AG 6.42ms from Frankfurt am Main, DE
76.91.185.23 AS20001 Charter Communications Inc 5.04ms from Los Angeles, US
201.121.36.87 AS8151 UNINET 1.67ms from Mexico City, MX
71.13.254.247 AS20115 Charter Communications LLC 11.53ms from Minneapolis, US
93.195.191.71 AS3320 Deutsche Telekom AG 8.44ms from Nuernberg, DE
45.14.106.215 AS4785 xTom 0.02ms from Osaka, JP
119.219.33.39 AS4766 Korea Telecom 7.85ms 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 -f4 -m16 222.203.133.17
traceroute to 222.203.133.17 (222.203.133.17): 16 hops max, 52 byte packets
4 [] 185.1.226.96 38.058 ms
5 *
6 *
7 *
8 [] 203.144.99.18 248.343 ms
9 [AS4538] 101.4.114.181 283.078 ms
10 *
11 *
12 [AS4538] 101.4.114.38 313.828 ms
13 [AS4538] 101.4.114.61 315.996 ms
14 *
15 *
16 *
Measurement taken from IPinfo ProbeNet in Tirana, AL
On

What are IP address ranges?

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