122.205.128.0/20

AS4538  ·  China Education and Research Network Center

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Summary

Country China
Domain cernet.edu.cn
ASN AS4538
Parent Range 122.204.0.0/14
Registry APNIC
ID WHR-CERNET

WHOIS Details

inetnum:        122.204.0.0 - 122.207.255.255
netname:        WHR-CERNET
descr:          China Education and Research Network
descr:          Wuhan 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:  2020-09-03T09:16:23Z
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:          122.204.0.0/15
descr:          CERNET
origin:         AS4538
mnt-by:         MAINT-CERNET-AP
last-modified:  2009-01-05T03:10:57Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 122.205.128.0/20

Range ASN Company Num of IPs
122.204.0.0/14 AS4538 China Education and Research Network 262,144

Nearby Ranges

BGP prefixes that overlap with 122.205.0.0/16

Range ASN Company Num of IPs
122.204.0.0/14 AS4538 China Education and Research Network 262,144

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

Pingable IPs

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

IP Address ASN Details
122.205.143.156 AS4538 China Education and Research Network Center 16.91ms from Guangzhou, 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
73.165.108.164 AS7922 Comcast Cable Communications, LLC 8.64ms from Ashburn, US
46.229.227.228 AS29405 VNET a.s. 0.34ms from Bratislava, SK
203.1.68.228 AS9913 Internet Information Group 1.13ms from Brisbane, AU
75.243.6.36 AS6167 Verizon Business 17.16ms from Chicago, US
27.153.180.100 AS4134 CHINANET-BACKBONE 3.22ms from Fuzhou, CN
51.83.2.4 AS16276 OVH SAS 1.62ms from Gravelines, FR
184.87.229.20 AS16625 Akamai Technologies, Inc. 0.52ms from Hong Kong, HK
176.221.56.212 AS29668 vXtream Ltd 1.68ms from London, GB
92.17.117.84 AS13285 TalkTalk Communications Limited 5.62ms from Manchester, GB
16.51.157.36 AS16509 Amazon.com, Inc. 0.71ms from Melbourne, AU
95.163.39.148 AS47764 LLC VK 0.53ms from Moscow, RU
74.71.238.52 AS12271 Charter Communications Inc 3.71ms from New York City, US
52.1.145.132 AS14618 Amazon.com, Inc. 0.21ms from Reston, US
68.167.206.84 AS30058 FDCservers.net 0.44ms from Seattle, US
13.49.167.196 AS16509 Amazon.com, Inc. 0.14ms from Stockholm, SE
220.137.203.100 AS3462 Data Communication Business Group 1.02ms from Taipei, TW
85.130.136.164 AS6810 "Bezeq"- THE ISRAEL TELECOMMUNICATION CORP. LTD. 1.52ms from Tel Aviv, IL
162.41.8.4 AS53984 Wellstar Health System 0.77ms from Atlanta, US
45.240.96.84 AS24863 Link Egypt (Link.NET) 6.06ms from Cairo, EG
184.16.241.4 AS393323 Waterfurnace International, Inc 5.05ms from Chicago, US
54.247.160.4 AS16509 Amazon.com, Inc. 0.21ms from Dublin, IE
132.160.77.36 AS6360 University of Hawaii 10.57ms from Honolulu, US
81.140.111.68 AS2856 British Telecommunications PLC 8.24ms from London, GB
90.209.84.52 AS5607 Sky UK Limited 1.72ms from London, GB
84.79.213.4 AS12479 Orange Espagne SA 7.77ms from Madrid, ES

Traceroute

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

$
traceroute -a -n -q1 -f6 -m15 122.205.143.109
traceroute to 122.205.143.109 (122.205.143.109): 15 hops max, 52 byte packets
9 *
10 *
11 *
12 [AS4538] 101.4.117.125 33.348 ms
13 *
14 *
15 *
Measurement taken from IPinfo ProbeNet in Suqian, CN
On

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