219.230.16.0/20

AS4538 · China Education and Research Network Center

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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS4538
Parent Range	219.224.0.0/13
Registry	APNIC
ID	CERNET-CN

WHOIS Details

inetnum:        219.230.0.0 - 219.231.255.255
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:  2020-09-03T09:16:27Z
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 219.230.16.0/20

Range	ASN	Company	Num of IPs
219.224.0.0/13	AS4538	China Education and Research Network	524,288

Nearby Ranges

BGP prefixes that overlap with 219.230.0.0/16

Range	ASN	Company	Num of IPs
219.224.0.0/13	AS4538	China Education and Research Network	524,288
219.230.64.0/18	AS4538	China Education and Research Network	16,384
219.230.192.0/18	AS4538	China Education and Research Network	16,384
219.230.128.0/19	AS4538	China Education and Research Network	8,192
219.230.160.0/19	AS4538	China Education and Research Network	8,192
219.230.48.0/20	AS4538	China Education and Research Network	4,096
219.230.32.0/20	AS4538	China Education and Research Network	4,096
219.230.176.0/20	AS4538	China Education and Research Network	4,096
219.230.144.0/20	AS4538	China Education and Research Network	4,096
219.230.144.0/20	AS24361	China Education and Research Network	4,096
219.230.51.0/24	AS4538	China Education and Research Network	256

Hosted domains

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

IP Address	Domain	Domains on this IP
219.230.17.1	szitu.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

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

IP Address	ASN	Details
219.230.17.10	AS4538 China Education and Research Network Center	10.63ms from Shanghai, 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
38.101.251.100	AS174 Cogent Communications	1.33ms from Atlanta, US
76.101.39.164	AS7922 Comcast Cable Communications, LLC	11.39ms from Boca Raton, US
91.63.165.36	AS3320 Deutsche Telekom AG	7.95ms from Frankfurt am Main, DE
73.77.252.148	AS7922 Comcast Cable Communications, LLC	4.29ms from Houston, US
78.162.187.148	AS9121 Turk Telekomunikasyon Anonim Sirketi	8.66ms from Istanbul, TR
195.6.224.20	AS3215 Orange S.A.	9.69ms from Paris, FR
52.45.52.36	AS14618 Amazon.com, Inc.	0.23ms from Reston, US
188.242.5.100	AS35807 SkyNet Ltd.	0.75ms from Saint Petersburg, RU
80.152.191.52	AS3320 Deutsche Telekom AG	2.60ms from Duesseldorf, DE
51.210.223.36	AS16276 OVH SAS	0.11ms from Gravelines, FR
119.184.235.212	AS4837 CHINA UNICOM China169 Backbone	6.37ms from Jinan, CN
184.178.213.20	AS54845 Crexendo Business Solutions, Inc.	1.07ms from Phoenix, US
201.153.235.116	AS8151 UNINET	12.16ms from Santiago de Queretaro, MX
120.48.23.164	AS38365 Beijing Baidu Netcom Science and Technology Co., Ltd.	3.70ms from Beijing, CN
166.0.116.148	AS58061 Scalaxy B.V.	0.18ms from Meppel, NL
136.28.5.36	AS19165 Webpass Inc.	0.51ms from Miami, US
131.106.99.244	AS6079 RCN	5.46ms from Philadelphia, US
88.233.50.4	AS9121 Turk Telekomunikasyon Anonim Sirketi	4.33ms from Istanbul, TR
72.104.126.148	AS6167 Verizon Business	7.09ms from Los Angeles, US
126.16.155.228	AS17676 SoftBank Corp.	8.55ms from Tokyo, JP
186.98.50.196	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	8.85ms from Bogota, CO
31.134.125.180	AS56668 FOP Demchuk Sergiy Olexandrovuch	0.46ms from Kyiv, UA
82.43.226.84	AS5089 Virgin Media Limited	12.78ms from London, GB
73.231.47.84	AS7922 Comcast Cable Communications, LLC	5.03ms from Fremont, US
103.155.103.4	AS137918 CUHK Medical Centre Limited	1.24ms from Hong Kong, HK

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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