222.17.0.0/16

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:        222.16.0.0 - 222.17.255.255
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:        GZR-CERNET
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:14Z
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 222.0.0.0/8

Range	ASN	Company	Num of IPs
222.96.0.0/12	AS4766	Korea Telecom	1,048,576
222.96.0.0/12	AS9978	Korea Telecom	1,048,576
222.96.0.0/12	AS17841	Korea Telecom	1,048,576
222.232.0.0/13	AS45370	SK Broadband Co Ltd	524,288
222.184.0.0/13	AS146966	CHINANET jiangsu province network	524,288
222.184.0.0/13	AS140292	CHINANET jiangsu province network	524,288
222.176.0.0/13	AS134420	CHINANET Chongqing province network	524,288
222.208.0.0/13	AS4134	CHINANET Sichuan province network	524,288
222.184.0.0/13	AS4134	CHINANET jiangsu province network	524,288
222.144.0.0/13	AS4713	NTT DOCOMO BUSINESS,Inc.	524,288
222.208.0.0/13	AS38283	CHINANET Sichuan province network	524,288
222.184.0.0/13	AS4809	CHINANET jiangsu province network	524,288
222.184.0.0/13	AS140293	CHINANET jiangsu province network	524,288
222.136.0.0/13	AS4837	China Unicom Henan province network	524,288
222.208.0.0/13	AS139220	CHINANET Sichuan province network	524,288
222.112.0.0/13	AS4766	Korea Telecom	524,288
222.240.0.0/13	AS149979	CHINANET Hunan province network	524,288
222.184.0.0/13	AS137697	CHINANET jiangsu province network	524,288
222.240.0.0/13	AS63838	CHINANET Hunan province network	524,288
222.240.0.0/13	AS4134	CHINANET Hunan province network	524,288
222.176.0.0/13	AS4134	CHINANET Chongqing province network	524,288
222.232.0.0/13	AS9318	SK Broadband Co Ltd	524,288
222.92.0.0/14	AS134756	CHINANET jiangsu province network	262,144
222.92.0.0/14	AS4809	CHINANET jiangsu province network	262,144
222.132.0.0/14	AS4837	China Unicom Shandong province network	262,144
222.28.0.0/14	AS4538	China Education and Research Network	262,144
222.76.0.0/14	AS133776	CHINANET fujian province network	262,144
222.76.0.0/14	AS133774	CHINANET fujian province network	262,144
222.92.0.0/14	AS4134	CHINANET jiangsu province network	262,144
222.92.0.0/14	AS140292	CHINANET jiangsu province network	262,144
222.128.0.0/14	AS4808	China Unicom Beijing province network	262,144
222.76.0.0/14	AS4134	CHINANET fujian province network	262,144
222.222.0.0/15	AS136197	CHINANET hebei province network	131,072
222.222.0.0/15	AS4134	CHINANET hebei province network	131,072
222.168.0.0/15	AS4134	CHINANET Jilin province network	131,072
222.88.0.0/15	AS4134	CHINANET henan province network	131,072
222.120.0.0/15	AS4766	Korea Telecom	131,072
222.248.0.0/16	AS17962	ShenZhen Topway Video Communication Co. Ltd.	65,536
222.125.0.0/16	AS17962	ShenZhen Topway Video Communication Co. Ltd.	65,536
222.8.0.0/16	AS2516	KDDI CORPORATION	65,536
222.225.0.0/16	AS2516	KDDI CORPORATION	65,536
222.166.0.0/16	AS9908	HK Cable TV Ltd	65,536
222.74.0.0/16	AS4134	CHINANET neimeng province network	65,536
222.199.0.0/16	AS4538	China Education and Research Network	65,536
222.122.0.0/16	AS4766	Korea Telecom	65,536
222.230.0.0/16	AS2519	ARTERIA Networks Corporation	65,536
222.127.0.0/16	AS26344	Globe Telecom/Innove Communication	65,536
222.75.0.0/16	AS4134	CHINANET ningxia province network	65,536
222.127.0.0/16	AS4775	Globe Telecom/Innove Communication	65,536
222.254.0.0/16	AS45899	Vietnam Posts and Telecommunications(VNPT)	65,536

Hosted domains

There are 2 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

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Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
222.17.230.1	AS4538 China Education and Research Network Center	`11.34ms` from Guangzhou, CN
222.17.227.255	AS4538 China Education and Research Network Center	`16.32ms` from Shenzhen, CN
222.17.224.2	AS4538 China Education and Research Network Center	`11.74ms` from Guangzhou, CN
222.17.128.1	AS4538 China Education and Research Network Center	`19.66ms` from Guangzhou, CN
222.17.192.181	AS4538 China Education and Research Network Center	`11.28ms` from Guangzhou, CN
222.17.212.139	AS4538 China Education and Research Network Center	`10.90ms` from Guangzhou, CN
222.17.176.255	AS4538 China Education and Research Network Center	`12.00ms` from Guangzhou, CN
222.17.88.1	AS4538 China Education and Research Network Center	`1.88ms` from Guangzhou, CN
222.17.142.253	AS4538 China Education and Research Network Center	`20.74ms` from Guangzhou, CN
222.17.127.5	AS4538 China Education and Research Network Center	`18.65ms` from Guangzhou, CN
222.17.0.80	AS4538 China Education and Research Network Center	`3.48ms` from Guangzhou, CN
222.17.208.31	AS4538 China Education and Research Network Center	`10.88ms` from Guangzhou, CN
222.17.217.234	AS4538 China Education and Research Network Center	`10.92ms` from Guangzhou, CN
222.17.177.193	AS4538 China Education and Research Network Center	`17.97ms` from Guangzhou, CN
222.17.200.189	AS4538 China Education and Research Network Center	`11.77ms` from Guangzhou, 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
213.123.227.32	AS2856 British Telecommunications PLC	`1.72ms` from Erith, GB
172.218.148.192	AS852 TELUS Communications Inc.	`9.14ms` from Kelowna, CA
95.232.63.80	AS3269 Telecom Italia S.p.A.	`3.06ms` from Milan, IT
82.90.63.0	AS3269 Telecom Italia S.p.A.	`0.70ms` from Milan, IT
5.37.98.80	AS28885 OmanTel NAP	`2.41ms` from Muscat, OM
36.33.14.32	AS140726 UNICOM AnHui province network	`8.00ms` from Nanjing, CN
181.178.213.48	AS11556 Cable & Wireless Panama	`1.91ms` from Panama, PA
13.222.51.224	AS14618 Amazon.com, Inc.	`0.45ms` from Reston, US
4.230.54.112	AS8075 Microsoft Corporation	`0.33ms` from Seoul, KR
221.138.185.16	AS9318 SK Broadband Co Ltd	`1.77ms` from Seoul, KR
116.126.162.16	AS9318 SK Broadband Co Ltd	`3.13ms` from Seoul, KR
153.34.14.224	AS4837 CHINA UNICOM China169 Backbone	`4.83ms` from Shanghai, CN
109.64.59.128	AS8551 Bezeq International Ltd.	`1.72ms` from Tel Aviv, IL
70.51.150.224	AS577 Bell Canada	`6.68ms` from Toronto, CA
2.132.3.128	AS9198 JSC Kazakhtelecom	`2.07ms` from Almaty, KZ
38.170.2.240	AS55286 B2 Net Solutions Inc.	`0.15ms` from Buffalo, US
27.11.118.144	AS4837 CHINA UNICOM China169 Backbone	`1.87ms` from Chongqing, CN
176.199.134.96	AS3209 Vodafone GmbH	`7.30ms` from Duesseldorf, DE
179.108.25.128	AS263267 VIUNET PROVIMENTO DE ACESSO A INTERNET LTDA - ME	`19.73ms` from Fortaleza, BR
79.250.164.32	AS3320 Deutsche Telekom AG	`6.17ms` from Frankfurt am Main, DE
106.53.108.128	AS45090 Shenzhen Tencent Computer Systems Company Limited	`2.10ms` from Guangzhou, CN
161.81.23.0	AS137872 China Mobile Hong Kong Company Limited	`2.33ms` from Hong Kong, HK
73.215.74.128	AS7922 Comcast Cable Communications, LLC	`6.11ms` from New York City, US
37.71.101.176	AS15557 Societe Francaise Du Radiotelephone - SFR SA	`1.57ms` from Paris, FR
147.135.226.112	AS16276 OVH SAS	`0.11ms` from Roubaix, FR

Traceroute

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

traceroute -a -n -q1 -f5 -m16 222.17.4.189

traceroute to 222.17.4.189 (222.17.4.189): 16 hops max, 52 byte packets

5 [] 139.150.100.199 1.769 ms

6 *

7 *

8 *

9 [AS4538] 101.4.114.181 71.42 ms

10 *

11 [AS4538] 101.4.117.81 79.173 ms

12 [AS4538] 101.4.114.38 103.51 ms

13 [AS4538] 101.4.114.61 104.272 ms

14 *

15 *

16 *

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On December 14th 2025

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