49.141.192.0/20

AS4538 · China Education and Research Network Center

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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS4538
Parent Range	49.140.0.0/15
Registry	APNIC
ID	SYR-CERNET

Pingable IPs

4,094 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
49.141.205.158	AS4538 China Education and Research Network Center	18.07ms from Beijing, CN
49.141.199.203	AS4538 China Education and Research Network Center	18.11ms from Beijing, CN
49.141.204.3	AS4538 China Education and Research Network Center	18.11ms from Beijing, CN
49.141.203.42	AS4538 China Education and Research Network Center	18.07ms from Beijing, CN
49.141.200.164	AS4538 China Education and Research Network Center	18.11ms from Beijing, CN
49.141.207.198	AS4538 China Education and Research Network Center	18.08ms from Beijing, CN
49.141.195.11	AS4538 China Education and Research Network Center	18.09ms from Beijing, CN
49.141.201.196	AS4538 China Education and Research Network Center	18.07ms from Beijing, CN
49.141.194.131	AS4538 China Education and Research Network Center	18.09ms from Beijing, CN
49.141.206.248	AS4538 China Education and Research Network Center	18.11ms from Beijing, CN
49.141.192.228	AS4538 China Education and Research Network Center	18.12ms from Beijing, CN
49.141.197.23	AS4538 China Education and Research Network Center	18.08ms from Beijing, CN
49.141.196.232	AS4538 China Education and Research Network Center	18.10ms from Beijing, CN
49.141.198.0	AS4538 China Education and Research Network Center	18.13ms from Beijing, CN
49.141.193.171	AS4538 China Education and Research Network Center	18.05ms from Beijing, CN
49.141.202.9	AS4538 China Education and Research Network Center	18.10ms from Beijing, 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
105.100.8.4	AS36947 Telecom Algeria	11.21ms from Algiers, DZ
99.159.73.36	AS7018 AT&T Enterprises, LLC	18.53ms from Atlanta, US
161.18.85.148	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	9.85ms from Bogota, CO
81.148.232.116	AS2856 British Telecommunications PLC	5.71ms from London, GB
47.20.13.132	AS6128 Cablevision Systems Corp.	7.20ms from New York City, US
186.170.117.84	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	12.12ms from Panama, PA
112.237.90.68	AS4837 CHINA UNICOM China169 Backbone	10.54ms from Qingdao, CN
211.223.141.132	AS4766 Korea Telecom	8.41ms from Seoul, KR
34.35.16.132	AS396982 Google LLC	0.29ms from Johannesburg, ZA
203.18.151.180	AS9266 Fiveways International Limited	0.35ms from Sydney, AU
64.71.228.84	AS27229 Webhosting.Net, Inc.	0.24ms from Miami, US
195.210.170.132	AS8359 MTS PJSC	1.33ms from Moscow, RU
108.204.57.68	AS7018 AT&T Enterprises, LLC	11.87ms from Redding, US
54.91.38.164	AS14618 Amazon.com, Inc.	0.25ms from Reston, US
220.66.197.4	AS4766 Korea Telecom	6.73ms from Seoul, KR
48.214.243.52	AS8075 Microsoft Corporation	0.23ms from Des Moines, US
129.7.248.228	AS7276 University of Houston	1.02ms from Houston, US
3.8.185.36	AS16509 Amazon.com, Inc.	0.64ms from London, GB
12.34.72.84	AS7018 AT&T Enterprises, LLC	10.64ms from Los Angeles, US
148.56.177.36	AS12430 VODAFONE ESPANA S.A.U.	9.23ms from Madrid, ES
112.153.227.20	AS17858 LG POWERCOMM	1.92ms from Seoul, KR
211.43.127.196	AS4766 Korea Telecom	10.24ms from Seoul, KR
101.47.134.20	AS150436 Byteplus Pte. Ltd.	1.03ms from Singapore, SG
73.251.183.180	AS7922 Comcast Cable Communications, LLC	10.30ms from Ashburn, US
52.27.72.196	AS16509 Amazon.com, Inc.	0.13ms from Boardman, US

WHOIS Details

inetnum:        49.140.0.0 - 49.141.255.255
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
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:  2020-09-03T09:16:22Z
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:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
remarks:        timezone GMT+8
remarks:        http://www.ccert.edu.cn
remarks:        [email protected] 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:         [email protected]
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
remarks:        Generated from irt object IRT-CERNET-AP
remarks:        [email protected] was validated on 2025-01-22
abuse-mailbox:  [email protected]
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:         [email protected]
remarks:        [email protected]
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:          49.140.0.0/15
descr:          CERNET
origin:         AS4538
mnt-by:         MAINT-CERNET-AP
last-modified:  2010-10-29T01:48:01Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 49.141.192.0/20

Range	ASN	Company	Num of IPs
49.140.0.0/15	AS4538	China Education and Research Network	131,072

Nearby Ranges

BGP prefixes that overlap with 49.141.0.0/16

Range	ASN	Company	Num of IPs
49.140.0.0/15	AS4538	China Education and Research Network	131,072
49.141.64.0/18	AS4538	China Education and Research Network	16,384
49.141.0.0/20	AS4538	China Education and Research Network	4,096
49.141.128.0/20	AS4538	China Education and Research Network	4,096
49.141.32.0/20	AS4538	China Education and Research Network	4,096
49.141.24.0/21	AS4538	China Education and Research Network	2,048
49.141.16.0/21	AS4538	China Education and Research Network	2,048
49.141.144.0/21	AS4538	China Education and Research Network	2,048
49.141.210.0/24	AS4538	China Education and Research Network	256

Hosted domains

There are no domains currently hosted on this ASN.

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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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