219.244.160.0/19

AS4538 · China Education and Research Network Center

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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS4538
Parent Range	219.244.0.0/14
Registry	APNIC
ID	CERNET-CN

WHOIS Details

inetnum:        219.244.0.0 - 219.247.255.255
netname:        CERNET-CN
descr:          China Education and Research Network
descr:          Xi'an Regional Network
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        origin AS4538
remarks:        confederation
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-10-20T00:56:45Z
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 2025-01-22
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:         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 2025-01-22
abuse-mailbox:  abuse@cernet.edu.cn
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:         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 219.244.160.0/19

Range	ASN	Company	Num of IPs
219.244.0.0/14	AS4538	China Education and Research Network	262,144

Nearby Ranges

BGP prefixes that overlap with 219.244.0.0/16

Range	ASN	Company	Num of IPs
219.244.0.0/14	AS4538	China Education and Research Network	262,144
219.244.192.0/19	AS4538	China Education and Research Network	8,192
219.244.224.0/19	AS4538	China Education and Research Network	8,192
219.244.112.0/20	AS4538	China Education and Research Network	4,096
219.244.16.0/20	AS4538	China Education and Research Network	4,096
219.244.0.0/20	AS4538	China Education and Research Network	4,096
219.244.80.0/20	AS4538	China Education and Research Network	4,096
219.244.96.0/20	AS4538	China Education and Research Network	4,096
219.244.48.0/20	AS4538	China Education and Research Network	4,096
219.244.128.0/20	AS4538	China Education and Research Network	4,096
219.244.40.0/21	AS4538	China Education and Research Network	2,048
219.244.32.0/21	AS4538	China Education and Research Network	2,048
219.244.64.0/21	AS4538	China Education and Research Network	2,048
219.244.222.0/24	AS4538	China Education and Research Network	256
219.244.0.0/24	AS4538	China Education and Research Network	256
219.244.221.0/24	AS4538	China Education and Research Network	256
219.244.212.0/24	AS4538	China Education and Research Network	256
219.244.29.0/24	AS4538	China Education and Research Network	256
219.244.2.0/24	AS4538	China Education and Research Network	256
219.244.18.0/24	AS4538	China Education and Research Network	256
219.244.223.0/24	AS4538	China Education and Research Network	256
219.244.28.0/24	AS4538	China Education and Research Network	256
219.244.16.0/24	AS4538	China Education and Research Network	256
219.244.208.0/24	AS4538	China Education and Research Network	256
219.244.17.0/24	AS4538	China Education and Research Network	256

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

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

IP Address	ASN	Details
219.244.185.74	AS4538 China Education and Research Network Center	25.54ms from Lanzhou, CN
219.244.172.35	AS4538 China Education and Research Network Center	23.48ms from Zhongwei, 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
186.168.233.195	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	5.80ms from Bogota, CO
12.189.153.3	AS7018 AT&T Enterprises, LLC	0.27ms from Boston, US
76.118.235.243	AS7922 Comcast Cable Communications, LLC	4.40ms from Boston, US
123.255.11.3	AS23655 2degrees Networks Limited	0.89ms from Christchurch, NZ
51.199.204.163	AS5607 Sky UK Limited	1.52ms from Dublin, IE
84.144.229.115	AS3320 Deutsche Telekom AG	6.40ms from Frankfurt am Main, DE
132.180.90.35	AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.	6.07ms from Frankfurt am Main, DE
171.235.145.51	AS7552 Viettel Group	1.30ms from Ho Chi Minh City, VN
221.201.57.3	AS4837 CHINA UNICOM China169 Backbone	7.36ms from Liaoyang, CN
91.160.37.179	AS12322 Free SAS	8.96ms from Paris, FR
5.79.150.243	AS8369 Intersvyaz-2 JSC	5.41ms from Yekaterinburg, RU
34.208.59.131	AS16509 Amazon.com, Inc.	0.18ms from Boardman, US
35.86.52.99	AS16509 Amazon.com, Inc.	0.12ms from Boardman, US
121.204.232.195	AS133774 Fuzhou	0.94ms from Fuzhou, CN
70.123.140.179	AS11427 Charter Communications Inc	14.21ms from Richardson, US
4.194.153.51	AS8075 Microsoft Corporation	0.55ms from Singapore, SG
64.222.239.67	AS13977 Consolidated Communications, Inc.	3.33ms from Boston, US
218.77.10.147	AS4134 CHINANET-BACKBONE	6.80ms from Changsha, CN
110.151.48.83	AS1221 Telstra Limited	13.69ms from Sydney, AU
203.68.42.19	AS1659 Taiwan Academic Network (TANet) Information Center	2.24ms from Taipei, TW
86.90.129.227	AS1136 KPN B.V.	2.66ms from Amsterdam, NL
73.237.51.211	AS7922 Comcast Cable Communications, LLC	4.58ms from Atlanta, US
183.138.107.179	AS4134 CHINANET-BACKBONE	10.76ms from Hangzhou, CN
92.240.154.131	AS59650 LahtiNetwork Oy	2.12ms from Helsinki, FI
79.152.197.99	AS3352 TELEFONICA DE ESPANA S.A.U.	8.72ms from Madrid, ES

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.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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