110.64.64.0/19

AS4538 · China Education and Research Network Center

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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS4538
Parent Range	110.64.0.0/15
Registry	APNIC
ID	GZR-CERNET

WHOIS Details

inetnum:        110.64.0.0 - 110.65.255.255
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
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 Center,
address:        FIT-3-220, 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:        abuse@cernet.edu.cn was validated on 2026-03-05
mnt-by:         MAINT-CERNET-AP
last-modified:  2026-03-05T06:39:56Z
source:         APNIC

role:           ABUSE CERNETAP
country:        ZZ
address:        Network Center,
address:        FIT-3-220, 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 2026-03-05
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-05T06:40:20Z
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:          110.64.0.0/16
descr:          CERNET
origin:         AS4538
mnt-by:         MAINT-CERNET-AP
last-modified:  2009-04-02T07:45:59Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 110.64.64.0/19

Range	ASN	Company	Num of IPs
110.64.0.0/15	AS4538	China Education and Research Network	131,072

Nearby Ranges

BGP prefixes that overlap with 110.64.0.0/16

Range	ASN	Company	Num of IPs
110.64.0.0/15	AS4538	China Education and Research Network	131,072

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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

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
45.58.151.3	AS46844 Sharktech	`0.30ms` from Amsterdam, NL
81.0.78.3	AS12301 Invitech ICT Services Kft.	`0.61ms` from Budapest, HU
179.255.43.115	AS8167 V tal	`18.92ms` from Curitiba, BR
37.80.213.67	AS3320 Deutsche Telekom AG	`11.48ms` from Duesseldorf, DE
91.204.33.19	AS47261 Mediengruppe Mainpost GmbH	`5.79ms` from Frankfurt am Main, DE
151.51.166.19	AS1267 WIND TRE S.P.A.	`8.81ms` from Milan, IT
204.184.171.3	AS2572 University of Missouri - dba the Missouri Research and Education Network (MOREnet)	`6.07ms` from St. Louis, US
140.135.183.19	AS1659 Taiwan Academic Network (TANet) Information Center	`1.92ms` from Taipei, TW
2.134.188.83	AS9198 JSC Kazakhtelecom	`9.49ms` from Almaty, KZ
110.247.130.35	AS4837 CHINA UNICOM China169 Backbone	`10.20ms` from Beijing, CN
185.73.21.3	AS29484 Ruhr-Universitaet Bochum	`1.46ms` from Duesseldorf, DE
79.194.1.163	AS3320 Deutsche Telekom AG	`4.40ms` from Duesseldorf, DE
87.168.25.227	AS3320 Deutsche Telekom AG	`2.28ms` from Frankfurt am Main, DE
155.102.44.51	AS24429 Zhejiang Taobao Network Co.,Ltd	`0.11ms` from Paris, FR
176.128.140.3	AS5410 Bouygues Telecom SA	`0.89ms` from Saint-Denis, FR
67.195.162.3	AS36647 Yahoo Holdings Inc.	`4.36ms` from Seattle, US
151.101.22.83	AS54113 Fastly, Inc.	`0.35ms` from Seattle, US
67.168.3.179	AS7922 Comcast Cable Communications, LLC	`6.38ms` from Seattle, US
193.116.37.131	AS23783 Cable Networks Akita Co.,ltd.	`9.94ms` from Tokyo, JP
52.156.21.243	AS8075 Microsoft Corporation	`0.18ms` from Toronto, CA
78.29.43.67	AS8369 Intersvyaz-2 JSC	`3.72ms` from Yekaterinburg, RU
86.107.201.83	AS39647 Enreach Netherlands B.V.	`1.66ms` from Amsterdam, NL
68.10.111.3	AS22773 Cox Communications Inc.	`6.21ms` from Ashburn, US
13.72.86.51	AS8075 Microsoft Corporation	`0.41ms` from Ashburn, US
181.32.82.227	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	`8.03ms` from Bogota, CO

Traceroute

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

traceroute -a -n -q1 -f3 -m16 110.64.85.173

traceroute to 110.64.85.173 (110.64.85.173): 16 hops max, 52 byte packets

3 [AS749] 11.254.129.53 1.322 ms

4 [AS749] 11.62.83.157 1.156 ms

5 *

6 [AS141679] 106.63.0.169 1.417 ms

7 [AS141679] 106.63.121.113 0.58 ms

8 *

9 *

10 *

11 *

12 [AS4538] 101.4.116.41 34.721 ms

13 [AS4538] 101.4.114.61 36.22 ms

14 *

15 *

16 *

Measurement taken from

IPinfo ProbeNet in Tianjin, CN

On March 13th 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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