211.86.0.0/21

AS4538 · China Education and Research Network Center

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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS4538
Parent Range	211.80.0.0/13
Registry	APNIC
ID	CERNET-CN

WHOIS Details

inetnum:        211.86.0.0 - 211.87.255.255
netname:        CERNET-CN
descr:          China Education and Research Network
descr:          Nanjing 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:  2020-10-20T00:56:37Z
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 211.86.0.0/21

Range	ASN	Company	Num of IPs
211.80.0.0/13	AS4538	China Education and Research Network	524,288

Nearby Ranges

BGP prefixes that overlap with 211.86.0.0/16

Range	ASN	Company	Num of IPs
211.80.0.0/13	AS4538	China Education and Research Network	524,288
211.86.112.0/20	AS4538	China Education and Research Network	4,096
211.86.144.0/20	AS4538	China Education and Research Network	4,096
211.86.224.0/20	AS4538	China Education and Research Network	4,096
211.86.128.0/20	AS4538	China Education and Research Network	4,096
211.86.64.0/20	AS4538	China Education and Research Network	4,096
211.86.16.0/20	AS4538	China Education and Research Network	4,096
211.86.96.0/20	AS4538	China Education and Research Network	4,096
211.86.80.0/20	AS4538	China Education and Research Network	4,096
211.86.32.0/20	AS4538	China Education and Research Network	4,096
211.86.48.0/20	AS4538	China Education and Research Network	4,096
211.86.240.0/20	AS4538	China Education and Research Network	4,096
211.86.184.0/21	AS4538	China Education and Research Network	2,048
211.86.192.0/21	AS4538	China Education and Research Network	2,048
211.86.208.0/21	AS4538	China Education and Research Network	2,048
211.86.176.0/21	AS4538	China Education and Research Network	2,048
211.86.160.0/21	AS4538	China Education and Research Network	2,048
211.86.8.0/21	AS4538	China Education and Research Network	2,048
211.86.200.0/21	AS4538	China Education and Research Network	2,048
211.86.168.0/23	AS4538	China Education and Research Network	512
211.86.246.0/24	AS4538	China Education and Research Network	256
211.86.210.0/24	AS4538	China Education and Research Network	256
211.86.194.0/24	AS4538	China Education and Research Network	256
211.86.162.0/24	AS4538	China Education and Research Network	256
211.86.163.0/24	AS4538	China Education and Research Network	256
211.86.243.0/24	AS4538	China Education and Research Network	256

Hosted domains

There is 1 domain name hosted across 2 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
211.86.0.1	hzmc.edu.cn	1

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

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Pingable IPs

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

IP Address	ASN	Details
211.86.2.126	AS4538 China Education and Research Network Center	14.22ms from Beijing, CN
211.86.1.21	AS4538 China Education and Research Network Center	14.18ms from Beijing, CN
211.86.0.4	AS4538 China Education and Research Network Center	15.13ms 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
212.126.5.85	AS8364 Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center	5.19ms from Berlin, DE
187.205.95.101	AS8151 UNINET	7.13ms from Guadalajara, MX
181.64.188.165	AS6147 Telefonica del Peru S.A.A.	1.14ms from Lima, PE
61.44.253.165	AS18092 Kyushu Tele Communications Company	13.83ms from Osaka, JP
24.10.39.165	AS7922 Comcast Cable Communications, LLC	8.21ms from San Jose, US
112.146.165.5	AS17858 LG POWERCOMM	6.27ms from Seoul, KR
106.255.86.101	AS3786 LG DACOM Corporation	1.56ms from Seoul, KR
112.212.183.21	AS38103 SK Broadband Co Ltd	6.84ms from Seoul, KR
126.126.163.213	AS17676 SoftBank Corp.	2.38ms from Tokyo, JP
93.234.242.229	AS3320 Deutsche Telekom AG	2.74ms from Frankfurt am Main, DE
14.226.220.213	AS45899 VNPT Corp	2.46ms from Ho Chi Minh City, VN
205.174.24.5	AS32244 Liquid Web, L.L.C	0.29ms from Lansing, US
206.219.77.101	AS40469 Northeastern Educational Intermediate Unit 19	19.81ms from Reston, US
49.65.215.229	AS140292 CHINATELECOM Jiangsu province Suzhou 5G network	6.06ms from Shanghai, CN
72.142.11.213	AS812 Rogers Communications Canada Inc.	0.53ms from Toronto, CA
74.209.225.85	AS13767 DataBank Holdings, Ltd.	0.42ms from Ashburn, US
203.177.54.149	AS4775 Globe Telecoms	0.68ms from Manila, PH
5.51.157.85	AS5410 Bouygues Telecom SA	9.30ms from Marseille, FR
122.223.132.21	AS2519 ARTERIA Networks Corporation	2.51ms from Osaka, JP
24.131.118.85	AS7922 Comcast Cable Communications, LLC	9.36ms from Ashburn, US
200.101.181.21	AS8167 V tal	7.61ms from Curitiba, BR
51.38.235.149	AS16276 OVH SAS	0.14ms from Gravelines, FR
46.18.223.21	AS47474 Virtual1 Limited	0.97ms from London, GB
2.216.33.37	AS5607 Sky UK Limited	6.00ms from London, GB
115.23.5.245	AS4766 Korea Telecom	5.45ms from Seoul, KR

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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