58.192.72.0/21

AS4538 · China Education and Research Network Center

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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS4538
Parent Range	58.192.0.0/15
Registry	APNIC
ID	NJR-CERNET

WHOIS Details

inetnum:        58.192.0.0 - 58.193.255.255
netname:        NJR-CERNET
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
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:08Z
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 2025-08-15
mnt-by:         MAINT-CERNET-AP
last-modified:  2025-11-18T00:26:28Z
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 2025-08-15
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-15T09:38:28Z
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 58.192.72.0/21

Range	ASN	Company	Num of IPs
58.192.0.0/15	AS4538	China Education and Research Network	131,072

Nearby Ranges

BGP prefixes that overlap with 58.192.0.0/16

Range	ASN	Company	Num of IPs
58.192.0.0/15	AS4538	China Education and Research Network	131,072

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

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

IP Address	ASN	Details
58.192.73.243	AS4538 China Education and Research Network Center	`16.02ms` from Nanjing, CN
58.192.72.2	AS4538 China Education and Research Network Center	`15.74ms` from Nanjing, 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
193.118.54.133	AS21859 Zenlayer Inc	`0.36ms` from Amsterdam, NL
2.85.97.69	AS6799 Ote SA (Hellenic Telecommunications Organisation)	`6.62ms` from Athens, GR
135.134.54.85	AS4181 TDS TELECOM	`5.97ms` from Chicago, US
2.23.70.213	AS16625 Akamai Technologies, Inc.	`0.42ms` from Duesseldorf, DE
37.136.234.101	AS16086 DNA Oyj	`10.61ms` from Helsinki, FI
88.148.177.245	AS16086 DNA Oyj	`5.01ms` from Helsinki, FI
121.124.196.117	AS9318 SK Broadband Co Ltd	`1.12ms` from Incheon, KR
115.96.111.181	AS17488 Hathway IP Over Cable Internet	`0.82ms` from Kolkata, IN
73.58.203.69	AS7922 Comcast Cable Communications, LLC	`7.91ms` from Murfreesboro, US
222.83.150.53	AS4134 CHINANET-BACKBONE	`7.84ms` from Nanning, CN
115.37.137.149	AS18126 Chubu Telecommunications Company, Inc.	`5.55ms` from Osaka, JP
88.151.191.53	AS39578 Ltd "Maxima"	`3.05ms` from Saint Petersburg, RU
205.189.134.5	AS54352 Click Bond, Inc.	`6.83ms` from San Jose, US
211.201.135.21	AS9318 SK Broadband Co Ltd	`1.52ms` from Seoul, KR
46.238.118.181	AS13110 INEA sp. z o.o.	`4.22ms` from Warsaw, PL
108.138.64.213	AS16509 Amazon.com, Inc.	`0.33ms` from Ashburn, US
189.123.176.85	AS28573 Claro NXT Telecomunicacoes Ltda	`7.60ms` from Brasilia, BR
52.17.80.69	AS16509 Amazon.com, Inc.	`0.26ms` from Dublin, IE
120.83.134.181	AS17816 China Unicom IP network China169 Guangdong province	`4.10ms` from Guangzhou, CN
212.156.220.165	AS9121 Turk Telekomunikasyon Anonim Sirketi	`1.36ms` from Izmir, TR
95.188.14.21	AS12389 PJSC Rostelecom	`0.81ms` from Krasnoyarsk, RU
39.62.215.197	AS17557 Pakistan Telecommunication Company Limited	`2.18ms` from Lahore, PK
3.11.67.197	AS16509 Amazon.com, Inc.	`0.18ms` from London, GB
212.231.5.5	AS15704 XTRA TELECOM S.A.	`0.36ms` from Madrid, ES
208.242.192.101	AS23088 The Blackstone Group	`0.54ms` from New York City, US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -f5 -m19 58.192.79.58

traceroute to 58.192.79.58 (58.192.79.58): 19 hops max, 52 byte packets

5 [AS4837] 220.248.191.225 1.026 ms

6 [AS4837] 220.248.191.153 11.468 ms

7 *

8 *

9 [AS4837] 219.158.44.86 38.531 ms

10 *

11 [AS4538] 101.4.112.41 40.56 ms

12 [AS4538] 101.4.116.97 40.525 ms

13 [AS4538] 219.219.156.37 39.311 ms

14 *

15 *

16 [AS4538] 219.219.148.42 41.523 ms

17 *

18 *

19 *

Measurement taken from

IPinfo ProbeNet in Huaihua, CN

On January 19th 2026

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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