219.244.212.0/24

AS4538 · China Education and Research Network Center

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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS4538
Parent Range	219.244.192.0/19
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 219.244.212.0/24

Range	ASN	Company	Num of IPs
219.244.192.0/19	AS4538	China Education and Research Network	8,192
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
219.244.29.0/24	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

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
82.170.88.24	AS1136 KPN B.V.	2.33ms from Amsterdam, NL
73.18.35.8	AS7922 Comcast Cable Communications, LLC	10.83ms from Flint, US
68.54.100.152	AS7922 Comcast Cable Communications, LLC	3.65ms from Minneapolis, US
153.184.127.200	AS4713 NTT Communications Corporation	3.93ms from Osaka, JP
54.249.184.152	AS16509 Amazon.com, Inc.	0.15ms from Tokyo, JP
75.189.226.24	AS11426 Charter Communications Inc	9.55ms from Ashburn, US
173.24.133.104	AS30036 Mediacom Communications Corp	13.10ms from Atlanta, US
84.157.195.168	AS3320 Deutsche Telekom AG	4.48ms from Berlin, DE
23.121.115.120	AS7018 AT&T Enterprises, LLC	6.58ms from Chicago, US
104.56.175.104	AS7018 AT&T Enterprises, LLC	2.61ms from Dallas, US
189.136.229.40	AS8151 UNINET	3.10ms from Mexico City, MX
24.90.210.200	AS12271 Charter Communications Inc	4.32ms from New York City, US
82.65.171.56	AS12322 Free SAS	1.77ms from Paris, FR
20.118.186.200	AS8075 Microsoft Corporation	0.28ms from Phoenix, US
189.147.30.88	AS8151 UNINET	4.04ms from Santiago de Queretaro, MX
37.63.115.184	AS29580 A1 Bulgaria EAD	0.99ms from Sofia, BG
121.99.55.104	AS9790 Two Degrees Networks Limited	9.88ms from Auckland, NZ
178.255.114.72	AS34244 Teleservice Bredband Skane AB	2.87ms from Copenhagen, DK
124.6.224.40	AS38256 Bengal Group Ltd. Nationwide Internet Service Provider, Bangladesh.	0.49ms from Dhaka, BD
222.161.125.136	AS4837 CHINA UNICOM China169 Backbone	13.79ms from Liaoyang, CN
61.138.161.24	AS4837 CHINA UNICOM China169 Backbone	15.65ms from Liaoyang, CN
62.56.109.72	AS5378 Vodafone Limited	16.83ms from London, GB
197.80.199.8	AS3741 Dimension Data	1.29ms from Pretoria, ZA
34.232.178.120	AS14618 Amazon.com, Inc.	0.21ms from Reston, US
58.182.153.136	AS55430 Starhub Ltd	1.36ms from Singapore, SG

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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