116.13.166.0/23

AS4538 · China Education and Research Network Center

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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS4538
Parent Range	116.13.0.0/16
Registry	APNIC
ID	GZR-CERNET

WHOIS Details

inetnum:        116.13.0.0 - 116.13.255.255
netname:        GZR-CERNET
descr:          China Education and Research Network
descr:          Guangzhou 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:  2020-09-03T09:16:25Z
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 2025-08-15
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

route:          116.13.0.0/16
descr:          CERNET
origin:         AS4538
mnt-by:         MAINT-CERNET-AP
last-modified:  2009-01-05T03:10:57Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 116.13.166.0/23

Range	ASN	Company	Num of IPs
116.13.0.0/16	AS4538	China Education and Research Network	65,536

Nearby Ranges

BGP prefixes that overlap with 116.13.0.0/16

Range	ASN	Company	Num of IPs
116.13.0.0/16	AS4538	China Education and Research Network	65,536

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

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
129.80.225.199	AS31898 Oracle Corporation	`0.32ms` from Ashburn, US
186.134.29.119	AS22927 Telefonica de Argentina	`19.09ms` from Buenos Aires, AR
64.125.30.39	AS6461 Zayo Bandwidth	`0.25ms` from Denver, US
91.47.96.119	AS3320 Deutsche Telekom AG	`5.68ms` from Frankfurt am Main, DE
116.120.235.7	AS9318 SK Broadband Co Ltd	`5.40ms` from Incheon, KR
151.247.95.215	AS9457 DREAMLINE CO.	`0.58ms` from Incheon, KR
136.179.36.7	AS23005 SWITCH, LTD	`5.29ms` from Los Angeles, US
209.107.121.71	AS852 TELUS Communications Inc.	`2.11ms` from Montreal, CA
157.143.144.119	AS8399 SEWAN SAS	`0.64ms` from Paris, FR
67.82.55.39	AS6128 Cablevision Systems Corp.	`6.14ms` from Piscataway, US
4.151.182.151	AS8075 Microsoft Corporation	`0.17ms` from San Antonio, US
14.56.236.87	AS4766 Korea Telecom	`6.38ms` from Seoul, KR
77.49.213.119	AS1241 Forthnet	`12.93ms` from Sofia, BG
79.182.132.135	AS8551 Bezeq International Ltd.	`2.18ms` from Tel Aviv, IL
126.13.196.183	AS17676 SoftBank Corp.	`3.42ms` from Tokyo, JP
62.93.36.87	AS25468 Rzeszow University of Technology	`10.70ms` from Warsaw, PL
110.231.152.55	AS4837 CHINA UNICOM China169 Backbone	`12.75ms` from Beijing, CN
72.108.16.7	AS6167 Verizon Business	`13.55ms` from Chicago, US
76.211.175.231	AS7018 AT&T Enterprises, LLC	`5.52ms` from Durham, US
113.176.7.7	AS45899 VNPT Corp	`1.36ms` from Hanoi, VN
70.126.73.199	AS33363 Charter Communications, Inc	`10.55ms` from Miami, US
195.19.114.55	AS39238 OKB PROGRESS LLC	`0.69ms` from Moscow, RU
126.86.102.119	AS17676 SoftBank Corp.	`7.14ms` from Osaka, JP
153.192.252.71	AS4713 NTT DOCOMO BUSINESS,Inc.	`10.03ms` from Osaka, JP
3.94.115.71	AS14618 Amazon.com, Inc.	`0.46ms` from Reston, US

Traceroute

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

traceroute -a -n -q1 -m18 116.13.166.132

traceroute to 116.13.166.132 (116.13.166.132): 18 hops max, 52 byte packets

1 [AS22297] 104.171.205.2 0.217 ms

2 [AS6461] 207.245.205.89 9.602 ms

3 *

4 *

5 *

6 [AS6461] 64.125.29.231 15.251 ms

7 [AS3491] 205.177.32.53 16.401 ms

8 *

9 *

10 *

11 [AS4538] 101.4.116.121 233.072 ms

12 *

13 *

14 *

15 [AS4538] 101.4.112.37 260.065 ms

16 *

17 *

18 *

Measurement taken from

IPinfo ProbeNet in Calgary, CA

On February 16th 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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