222.199.160.0/22

AS4538 · China Education and Research Network Center

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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS4538
Parent Range	222.199.0.0/16
Registry	APNIC
ID	BJR-CERNET

WHOIS Details

inetnum:        222.199.0.0 - 222.199.255.255
netname:        BJR-CERNET
descr:          China Education and Research Network
descr:          Beijing Regional Network
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        origin AS4538
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:05Z
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:         abuse@cernet.edu.cn
abuse-mailbox:  abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
remarks:        timezone GMT+8
remarks:        http://www.ccert.edu.cn
remarks:        abuse@cernet.edu.cn 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:         abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
remarks:        Generated from irt object IRT-CERNET-AP
remarks:        abuse@cernet.edu.cn was validated on 2025-08-15
abuse-mailbox:  abuse@cernet.edu.cn
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:         helpdesk@cernet.edu.cn
remarks:        abuse@cernet.edu.cn
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 222.199.160.0/22

Range	ASN	Company	Num of IPs
222.199.0.0/16	AS4538	China Education and Research Network	65,536

Nearby Ranges

BGP prefixes that overlap with 222.199.0.0/16

Range	ASN	Company	Num of IPs
222.199.0.0/16	AS4538	China Education and Research Network	65,536

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

Read more

Pingable IPs

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

IP Address	ASN	Details
222.199.160.3	AS4538 China Education and Research Network Center	`1.92ms` from Beijing, 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
75.146.20.22	AS7922 Comcast Cable Communications, LLC	`7.55ms` from Ashburn, US
68.33.161.6	AS7922 Comcast Cable Communications, LLC	`4.90ms` from Ashburn, US
12.246.63.22	AS7018 AT&T Enterprises, LLC	`3.39ms` from Atlanta, US
135.26.220.182	AS5742 Fidium	`3.76ms` from Chicago, US
222.179.201.246	AS4134 CHINANET-BACKBONE	`7.72ms` from Chongqing, CN
213.155.76.54	AS12337 noris network AG	`5.51ms` from Frankfurt am Main, DE
157.156.31.134	AS17816 China Unicom IP network China169 Guangdong province	`5.08ms` from Guangzhou, CN
221.209.50.38	AS4837 CHINA UNICOM China169 Backbone	`4.75ms` from Harbin, CN
81.8.100.214	AS15924 Vodafone Net Iletisim Hizmetler AS	`1.95ms` from Istanbul, TR
37.36.188.182	AS42961 Mobile Telecommunications Company K.S.C.P.	`7.28ms` from Kuwait City, KW
60.164.53.166	AS4134 CHINANET-BACKBONE	`16.63ms` from Lanzhou, CN
18.134.11.70	AS16509 Amazon.com, Inc.	`0.49ms` from London, GB
81.5.165.182	AS8851 GCI Network Solutions Limited	`3.40ms` from London, GB
31.131.139.102	AS52213 LLC DONETSK FIBER-OPTICAL NETWORK	`17.82ms` from Moscow, RU
154.72.18.134	AS329617 C-Squared Limited	`11.67ms` from Nairobi, KE
50.243.189.166	AS7922 Comcast Cable Communications, LLC	`15.00ms` from New York City, US
191.255.174.118	AS27699 TELEFÔNICA BRASIL S.A	`6.94ms` from Osasco, BR
189.150.40.134	AS8151 UNINET	`15.89ms` from Santiago de Queretaro, MX
123.14.193.118	AS4837 CHINA UNICOM China169 Backbone	`2.24ms` from Zhengzhou, CN
93.227.182.246	AS3320 Deutsche Telekom AG	`2.22ms` from Berlin, DE
102.47.149.230	AS8452 TE-AS	`3.37ms` from Cairo, EG
119.52.31.86	AS4837 CHINA UNICOM China169 Backbone	`7.34ms` from Changchun, CN
136.23.23.6	AS36492 Google, LLC	`0.19ms` from Dallas, US
91.4.61.182	AS3320 Deutsche Telekom AG	`8.09ms` from Frankfurt am Main, DE
118.89.40.166	AS45090 Shenzhen Tencent Computer Systems Company Limited	`2.04ms` from Guangzhou, CN

Traceroute

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

traceroute -a -n -q1 222.199.160.1

traceroute to 222.199.160.1 (222.199.160.1): 64 hops max, 52 byte packets

1 [AS31898] 140.91.230.1 0.101 ms

2 [AS9318] 39.120.201.130 0.487 ms

3 [AS9318] 39.120.201.129 2.531 ms

4 *

5 *

6 [] 123.255.91.118 61.645 ms

7 [AS4538] 101.4.114.181 96.31 ms

8 *

9 *

10 *

11 [AS4538] 101.4.118.10 96.718 ms

12 [AS4538] 222.199.160.1 95.059 ms

Measurement taken from

IPinfo ProbeNet in Chuncheon, KR

On January 19th 2026

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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