59.73.16.0/21

AS4538 · China Education and Research Network Center

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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS4538
Parent Range	59.64.0.0/12
Registry	APNIC
ID	SYR-CERNET

WHOIS Details

inetnum:        59.72.0.0 - 59.73.255.255
netname:        SYR-CERNET
descr:          China Education and Research Network
descr:          Shenyang 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:  2020-09-03T09:16:25Z
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 59.73.16.0/21

Range	ASN	Company	Num of IPs
59.64.0.0/12	AS4538	China Education and Research Network	1,048,576

Nearby Ranges

BGP prefixes that overlap with 59.73.0.0/16

Range	ASN	Company	Num of IPs
59.64.0.0/12	AS4538	China Education and Research Network	1,048,576
59.73.64.0/18	AS4538	China Education and Research Network	16,384
59.73.192.0/19	AS4538	China Education and Research Network	8,192
59.73.128.0/19	AS4538	China Education and Research Network	8,192
59.73.160.0/21	AS4538	China Education and Research Network	2,048
59.73.168.0/21	AS4538	China Education and Research Network	2,048

Hosted domains

There are 2 domain names hosted across 2 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP

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

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

IP Address	ASN	Details
59.73.16.30	AS4538 China Education and Research Network Center	7.51ms from Liaoyang, 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
18.185.38.213	AS16509 Amazon.com, Inc.	0.16ms from Frankfurt am Main, DE
72.176.156.165	AS11427 Charter Communications Inc	19.09ms from Houston, US
73.136.16.229	AS7922 Comcast Cable Communications, LLC	7.45ms from Houston, US
23.120.92.149	AS7018 AT&T Enterprises, LLC	2.77ms from Los Angeles, US
23.43.38.245	AS23693 PT. Telekomunikasi Selular	7.15ms from Batam, ID
79.214.114.37	AS3320 Deutsche Telekom AG	4.55ms from Duesseldorf, DE
200.33.226.245	AS6503 Axtel, S.A.B. de C.V.	18.85ms from Mexico City, MX
8.11.255.85	AS11168 SMART CHOICE COMMUNICATIONS, LLC	0.59ms from New York City, US
180.64.42.53	AS9318 SK Broadband Co Ltd	7.14ms from Seoul, KR
47.123.93.101	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	4.01ms from Shanghai, CN
145.53.251.5	AS1136 KPN B.V.	1.17ms from Amsterdam, NL
141.40.176.37	AS12816 Leibniz-Rechenzentrum	9.10ms from Frankfurt am Main, DE
41.203.95.5	AS37148 Globacom Limited	0.67ms from Lagos, NG
86.134.123.101	AS2856 British Telecommunications PLC	2.09ms from London, GB
97.228.7.37	AS6167 Verizon Business	16.43ms from Los Angeles, US
12.244.25.213	AS7018 AT&T Enterprises, LLC	1.59ms from Los Angeles, US
18.101.58.117	AS16509 Amazon.com, Inc.	5.68ms from Madrid, ES
147.162.64.21	AS137 Consortium GARR	3.98ms from Milan, IT
83.19.233.229	AS5617 Orange Polska Spolka Akcyjna	1.44ms from Poznan, PL
126.66.232.5	AS17676 SoftBank Corp.	3.36ms from Tokyo, JP
190.51.2.101	AS22927 Telefonica de Argentina	1.65ms from Buenos Aires, AR
122.174.40.133	AS24560 Bharti Airtel Ltd., Telemedia Services	11.64ms from Chennai, IN
113.169.50.197	AS45899 VNPT Corp	2.56ms from Ho Chi Minh City, VN
153.179.191.101	AS4713 NTT Communications Corporation	15.53ms from Osaka, JP
103.103.80.53	AS131618 Carl International Information ltd.	0.30ms from Taipei, TW

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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