202.198.64.0/20

AS4538 · China Education and Research Network Center

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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS4538
Parent Range	202.198.0.0/15
Registry	APNIC
ID	CERNET-CN

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
23.111.233.52	AS7979 Servers.com, Inc.	0.37ms from Amsterdam, NL
101.188.158.132	AS1221 Telstra Limited	2.46ms from Brisbane, AU
182.44.51.212	AS58519 Cloud Computing Corporation	0.35ms from Guiyang, CN
5.201.5.68	AS12324 Maria Curie-Sklodowska University	12.25ms from Warsaw, PL
23.13.164.244	AS16625 Akamai Technologies, Inc.	0.16ms from Ashburn, US
117.50.35.132	AS23724 IDC, China Telecommunications Corporation	2.53ms from Beijing, CN
2.207.38.52	AS3209 Vodafone GmbH	6.68ms from Hamburg, DE
62.37.148.52	AS12479 Orange Espagne SA	12.81ms from Madrid, ES
13.39.236.36	AS16509 Amazon.com, Inc.	0.12ms from Paris, FR
38.109.205.52	AS174 Cogent Communications	0.38ms from Boston, US
72.45.240.52	AS11351 Charter Communications Inc	16.41ms from Chicago, US
27.2.251.4	AS45543 SaiGon Tourist cable Televition Company	13.34ms from Ho Chi Minh City, VN
176.38.155.100	AS39608 Lanet Network Ltd	0.60ms from Kyiv, UA
42.62.54.36	AS23724 IDC, China Telecommunications Corporation	2.95ms from Tianjin, CN
78.54.71.196	AS6805 Telefonica Germany GmbH & Co.OHG	2.81ms from Berlin, DE
35.81.231.52	AS16509 Amazon.com, Inc.	0.16ms from Boardman, US
97.64.179.84	AS30036 Mediacom Communications Corp	7.27ms from Chicago, US
24.10.123.132	AS7922 Comcast Cable Communications, LLC	7.81ms from Fremont, US
104.35.179.116	AS20001 Charter Communications Inc	6.36ms from Los Angeles, US
193.219.137.20	AS5479 University Network in Vilnius	0.45ms from Vilnius, LT
183.211.240.100	AS56046 China Mobile communications corporation	3.35ms from Nanjing, CN
77.75.75.132	AS43037 Seznam.cz, a.s.	0.47ms from Prague, CZ
45.6.164.244	AS266140 CMC TELECOM LTDA	2.51ms from Sao Paulo, BR
20.89.12.68	AS8075 Microsoft Corporation	0.22ms from Tokyo, JP
186.154.138.116	AS19429 ETB - Colombia	1.07ms from Bogota, CO

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 2025-01-22
mnt-by:         MAINT-CERNET-AP
last-modified:  2025-01-22T13:47:43Z
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 2025-01-22
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2025-01-22T16:25:45Z
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 202.198.64.0/20

Range	ASN	Company	Num of IPs
202.198.0.0/15	AS4538	China Education and Research Network	131,072
202.192.0.0/13	AS4538	China Education and Research Network	524,288
202.192.0.0/12	AS4538	China Education and Research Network	1,048,576

Nearby Ranges

BGP prefixes that overlap with 202.198.0.0/16

Range	ASN	Company	Num of IPs
202.192.0.0/12	AS4538	China Education and Research Network	1,048,576
202.192.0.0/13	AS4538	China Education and Research Network	524,288
202.198.0.0/15	AS4538	China Education and Research Network	131,072
202.198.192.0/19	AS4538	China Education and Research Network	8,192
202.198.32.0/19	AS4538	China Education and Research Network	8,192
202.198.144.0/20	AS4538	China Education and Research Network	4,096
202.198.240.0/20	AS4538	China Education and Research Network	4,096
202.198.16.0/20	AS4538	China Education and Research Network	4,096
202.198.128.0/20	AS4538	China Education and Research Network	4,096
202.198.176.0/20	AS4538	China Education and Research Network	4,096
202.198.160.0/20	AS4538	China Education and Research Network	4,096
202.198.0.0/21	AS4538	China Education and Research Network	2,048
202.198.88.0/21	AS4538	China Education and Research Network	2,048
202.198.104.0/21	AS4538	China Education and Research Network	2,048
202.198.8.0/21	AS4538	China Education and Research Network	2,048
202.198.100.0/22	AS4538	China Education and Research Network	1,024
202.198.96.0/23	AS4538	China Education and Research Network	512
202.198.1.0/24	AS4538	China Education and Research Network	256
202.198.177.0/24	AS4538	China Education and Research Network	256
202.198.180.0/24	AS4538	China Education and Research Network	256
202.198.98.0/24	AS4538	China Education and Research Network	256
202.198.91.0/24	AS4538	China Education and Research Network	256
202.198.99.0/24	AS4538	China Education and Research Network	256
202.198.11.0/24	AS4538	China Education and Research Network	256
202.198.0.0/24	AS4538	China Education and Research Network	256
202.198.224.0/24	AS4538	China Education and Research Network	256
202.198.201.0/24	AS4538	China Education and Research Network	256

Hosted domains

There are no domains currently hosted on this ASN.

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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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