218.199.80.0/20

AS4538 · China Education and Research Network Center

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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS4538
Parent Range	218.199.0.0/16
Registry	APNIC
ID	CERNET-CN

WHOIS Details

inetnum:        218.196.0.0 - 218.199.255.255
netname:        CERNET-CN
descr:          China Education and Research Network
descr:          Wuhan Regional Network
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        origin AS4538
remarks:        confederation
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-10-20T00:56:39Z
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 2025-01-22
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:         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 2025-01-22
abuse-mailbox:  abuse@cernet.edu.cn
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:         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 218.199.80.0/20

Range	ASN	Company	Num of IPs
218.199.0.0/16	AS24358	China Education and Research Network	65,536
218.199.0.0/16	AS4538	China Education and Research Network	65,536
218.192.0.0/13	AS4538	China Education and Research Network	524,288

BGP prefixes that are contained by 218.199.80.0/20

Range	ASN	Company	Num of IPs
218.199.88.0/24	AS4538	China Education and Research Network	256

Nearby Ranges

BGP prefixes that overlap with 218.199.0.0/16

Range	ASN	Company	Num of IPs
218.192.0.0/13	AS4538	China Education and Research Network	524,288
218.199.0.0/16	AS4538	China Education and Research Network	65,536
218.199.0.0/16	AS24358	China Education and Research Network	65,536
218.199.96.0/20	AS4538	China Education and Research Network	4,096
218.199.64.0/20	AS4538	China Education and Research Network	4,096
218.199.144.0/20	AS4538	China Education and Research Network	4,096
218.199.16.0/20	AS4538	China Education and Research Network	4,096
218.199.48.0/20	AS4538	China Education and Research Network	4,096
218.199.224.0/20	AS4538	China Education and Research Network	4,096
218.199.128.0/20	AS4538	China Education and Research Network	4,096
218.199.160.0/20	AS4538	China Education and Research Network	4,096
218.199.192.0/20	AS4538	China Education and Research Network	4,096
218.199.176.0/20	AS4538	China Education and Research Network	4,096
218.199.112.0/20	AS4538	China Education and Research Network	4,096
218.199.0.0/21	AS4538	China Education and Research Network	2,048
218.199.8.0/21	AS4538	China Education and Research Network	2,048
218.199.32.0/21	AS4538	China Education and Research Network	2,048
218.199.208.0/22	AS4538	China Education and Research Network	1,024
218.199.212.0/22	AS4538	China Education and Research Network	1,024
218.199.44.0/22	AS4538	China Education and Research Network	1,024
218.199.40.0/22	AS4538	China Education and Research Network	1,024
218.199.210.0/23	AS4538	China Education and Research Network	512
218.199.181.0/24	AS4538	China Education and Research Network	256
218.199.88.0/24	AS4538	China Education and Research Network	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
218.199.85.110	AS4538 China Education and Research Network Center	17.10ms 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
65.9.142.36	AS16509 Amazon.com, Inc.	0.34ms from Auckland, NZ
134.196.208.4	AS17552 True Online	1.63ms from Bangkok, TH
27.7.123.180	AS17488 Hathway IP Over Cable Internet	1.18ms from Bengaluru, IN
93.192.4.228	AS3320 Deutsche Telekom AG	4.07ms from Berlin, DE
201.11.249.196	AS8167 V tal	14.80ms from Curitiba, BR
54.74.140.84	AS16509 Amazon.com, Inc.	0.14ms from Dublin, IE
76.185.166.180	AS11427 Charter Communications Inc	6.79ms from Houston, US
108.254.194.116	AS7018 AT&T Enterprises, LLC	11.92ms from Houston, US
32.212.159.4	AS46690 Southern New England Telephone Company and SNET America, Inc.	9.73ms from Secaucus, US
104.50.226.132	AS7018 AT&T Enterprises, LLC	3.84ms from Secaucus, US
202.248.18.84	AS2510 FUJITSU LIMITED	9.14ms from Tokyo, JP
174.137.239.52	AS21724 GOCO TECHNOLOGY LIMITED PARTNERSHIP	7.99ms from Toronto, CA
169.62.48.228	AS36351 IBM Cloud	0.44ms from Ashburn, US
23.33.25.196	AS20940 Akamai International B.V.	0.20ms from Chicago, US
88.165.143.196	AS12322 Free SAS	2.31ms from Paris, FR
121.200.58.68	AS136987 Vodafone India Services Private Ltd	0.72ms from Bengaluru, IN
45.204.199.244	AS62468 VpsQuan L.L.C.	2.63ms from Hong Kong, HK
104.32.29.212	AS20001 Charter Communications Inc	6.47ms from Los Angeles, US
69.158.10.100	AS577 Bell Canada	1.60ms from Montreal, CA
188.130.35.4	AS34177 CELESTE SAS	0.83ms from Paris, FR
203.5.127.212	AS9301 Cynergic	0.49ms from Perth, AU
179.56.209.68	AS14117 Telefonica del Sur S.A.	8.24ms from Santiago, CL
119.46.46.116	AS7470 TRUE INTERNET Co.,Ltd.	0.31ms from Bangkok, TH
101.200.192.84	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	2.08ms from Beijing, CN
143.170.125.244	AS16504 Granite Telecommunications LLC	0.76ms from Los Angeles, US

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.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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