219.244.28.0/24

AS4538 · China Education and Research Network Center

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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS4538
Parent Range	219.244.16.0/20
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 219.244.28.0/24

Range	ASN	Company	Num of IPs
219.244.16.0/20	AS4538	China Education and Research Network	4,096
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
219.244.160.0/19	AS4538	China Education and Research Network	8,192
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
219.244.160.0/19	AS24353	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
219.244.16.0/24	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

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
95.110.210.40	AS31034 Aruba S.p.A.	0.24ms from Arezzo, IT
179.172.134.120	AS26599 TELEFÔNICA BRASIL S.A	15.04ms from Belo Horizonte, BR
66.11.121.152	AS30475 Handy Networks, LLC	0.17ms from Greenwood Village, US
46.38.62.104	AS52201 OOO Suntel	0.89ms from Moscow, RU
112.185.140.88	AS4766 Korea Telecom	8.74ms from Seoul, KR
52.74.52.72	AS16509 Amazon.com, Inc.	0.11ms from Singapore, SG
46.74.182.88	AS8447 A1 Telekom Austria AG	11.84ms from Vienna, AT
154.13.215.8	AS9009 M247 Europe SRL	0.10ms from Paris, FR
52.247.139.72	AS8075 Microsoft Corporation	0.67ms from Boydton, US
182.226.54.8	AS17858 LG POWERCOMM	2.19ms from Seoul, KR
58.87.187.248	AS2527 Sony Network Communications Inc.	11.79ms from Tokyo, JP
157.107.11.200	AS4685 Asahi Net	8.42ms from Tokyo, JP
14.181.59.136	AS45899 VNPT Corp	4.15ms from Hanoi, VN
37.192.228.8	AS31200 Novotelecom Ltd	1.90ms from Novosibirsk, RU
34.141.243.152	AS396982 Google LLC	0.14ms from Oudeschip, NL
51.255.150.184	AS16276 OVH SAS	0.04ms from Gravelines, FR
98.25.10.152	AS11426 Charter Communications Inc	6.73ms from Charlotte, US
158.39.165.8	AS224 SIKT - KUNNSKAPSSEKTORENS TJENESTELEVERANDOR	3.42ms from Oslo, NO
218.164.28.120	AS3462 Data Communication Business Group	4.89ms from Taichung, TW
95.137.134.24	AS34797 System Net Ltd	0.74ms from Tbilisi, GE
142.198.224.136	AS577 Bell Canada	1.45ms from Toronto, CA
188.63.245.184	AS3303 Swisscom (Switzerland) Ltd	2.36ms from Zuerich, CH
38.91.40.56	AS174 Cogent Communications	0.15ms from Ashburn, US
105.157.122.216	AS36903 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM	7.58ms from Casablanca, MA
66.205.66.248	AS35432 Cablenet Communication Systems plc	6.37ms from Limassol, CY

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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