202.4.152.0/24

AS4538  ·  China Education and Research Network Center

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Summary

Country China
Domain buct.edu.cn
ASN AS4538
Parent Range 202.4.144.0/20
Registry APNIC
ID BUCT-CN

WHOIS Details

inetnum:        202.4.128.0 - 202.4.159.255
netname:        BUCT-CN
descr:          Beijing University of Chemical Technology
descr:          P. O. Box 70
descr:          100029 Heping Street
descr:          Beijing
country:        CN
admin-c:        XD36-AP
tech-c:         YW213-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:15:59Z
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

person:         Xiaoguo Dong
address:        Network Center
address:        Beijing University of Chemistry Technology
address:        Beijing, Beijing 100029, China
country:        CN
nic-hdl:        XD36-AP
e-mail:         dongxg@mail.buct.edu.cn
phone:          +86-10-6443-4922
fax-no:         +86-10-6441-4105
mnt-by:         MAINT-CERNET-AP
last-modified:  2011-12-22T05:21:15Z
source:         APNIC

person:         Yanqing Wang
address:        Network Center
address:        Beijing University of Chemistry Technology
address:        Beijing, Beijing 100029, China
country:        CN
nic-hdl:        YW213-AP
e-mail:         dongxg@mail.buct.edu.cn
phone:          +86-10-6443-4922
fax-no:         +86-10-6441-4105
mnt-by:         MAINT-CERNET-AP
last-modified:  2011-12-22T05:21:15Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 202.4.152.0/24

Range ASN Company Num of IPs
202.4.144.0/20 AS4538 Beijing University of Chemical Technology 4,096
202.4.128.0/19 AS4538 Beijing University of Chemical Technology 8,192

Nearby Ranges

BGP prefixes that overlap with 202.4.0.0/16

Range ASN Company Num of IPs
202.4.64.0/19 AS9443 VOCUS PTY LTD 8,192
202.4.192.0/19 AS9444 Hong Kong Telecommunications (HKT) Limited 8,192
202.4.96.0/19 AS23956 DhakaCom Limited 8,192
202.4.128.0/19 AS4538 Beijing University of Chemical Technology 8,192
202.4.32.0/19 AS17993 Vodafone Samoa Limited 8,192
202.4.224.0/20 AS55803 Hostopia Australia Web Pty Ltd 4,096
202.4.144.0/20 AS4538 Beijing University of Chemical Technology 4,096
202.4.128.0/20 AS4538 Beijing University of Chemical Technology 4,096
202.4.0.0/21 AS7306 Asian Development Bank 2,048
202.4.0.0/22 AS7306 Asian Development Bank 1,024
202.4.4.0/22 AS7306 Asian Development Bank 1,024
202.4.252.0/22 AS4808 Beijing Teletron Telecom Engineering Co., Ltd. 1,024
202.4.10.0/23 AS7306 Asian Development Bank 512
202.4.202.0/23 AS9444 Hong Kong Telecommunications (HKT) Limited 512
202.4.216.0/23 AS9444 Hong Kong Telecommunications (HKT) Limited 512
202.4.160.0/23 AS18355 PT Kiwoom Sekuritas Indonesia 512
202.4.248.0/23 AS24291 MITSUI & CO., LTD. 512
202.4.8.0/23 AS7306 Asian Development Bank 512
202.4.204.0/23 AS9444 Hong Kong Telecommunications (HKT) Limited 512
202.4.218.0/23 AS9444 Hong Kong Telecommunications (HKT) Limited 512
202.4.37.0/24 AS17993 Vodafone Samoa Limited 256
202.4.179.0/24 AS46017 Badan Informasi Geospasial 256
202.4.166.0/24 AS55326 22 Delhi Street 256
202.4.175.0/24 AS45937 Brisbane Airport Corporation 256
202.4.51.0/24 AS17993 Vodafone Samoa Limited 256
202.4.47.0/24 AS23657 Bear System Range Allocation 256
202.4.103.0/24 AS23956 DhakaCom Limited 256
202.4.110.0/24 AS23956 DhakaCom Limited 256
202.4.33.0/24 AS17993 Vodafone Samoa Limited 256
202.4.106.0/24 AS23956 DhakaCom Limited 256
202.4.48.0/24 AS17993 Vodafone Samoa Limited 256
202.4.191.0/24 AS55343 Conduent Business Services Philippines Inc. 256
202.4.251.0/24 AS45495 Interchange Limited 256
202.4.98.0/24 AS23956 DhakaCom Limited 256
202.4.57.0/24 AS17993 Vodafone Samoa Limited 256
202.4.41.0/24 AS17993 Vodafone Samoa Limited 256
202.4.100.0/24 AS23956 DhakaCom Limited 256
202.4.127.0/24 AS23956 DhakaCom Limited 256
202.4.38.0/24 AS17993 Vodafone Samoa Limited 256
202.4.112.0/24 AS23956 DhakaCom Limited 256
202.4.115.0/24 AS23956 DhakaCom Limited 256
202.4.108.0/24 AS23956 DhakaCom Limited 256
202.4.56.0/24 AS17993 Vodafone Samoa Limited 256
202.4.196.0/24 AS9444 Hong Kong Telecommunications (HKT) Limited 256
202.4.61.0/24 AS17993 Vodafone Samoa Limited 256
202.4.46.0/24 AS23657 Bear System Range Allocation 256
202.4.173.0/24 AS45925 Teletalk Bangladesh Ltd. 256
202.4.114.0/24 AS23956 DhakaCom Limited 256
202.4.101.0/24 AS23956 DhakaCom Limited 256
202.4.168.0/24 AS45901 Vietnam Export Import Commercial Joint stock Bank 256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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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
197.140.8.72 AS36891 Icosnet SPA 2.09ms from Algiers, DZ
42.193.106.56 AS45090 Shenzhen Tencent Computer Systems Company Limited 2.88ms from Beijing, CN
98.52.170.152 AS7922 Comcast Cable Communications, LLC 5.38ms from Chicago, US
139.208.94.136 AS4837 CHINA UNICOM China169 Backbone 12.75ms from Liaoyang, CN
193.136.12.56 AS1930 Fundacao para a Ciencia e a Tecnologia, I.P. 5.27ms from Lisbon, PT
213.78.38.168 AS13285 TalkTalk Communications Limited 1.28ms from London, GB
18.66.52.136 AS16509 Amazon.com, Inc. 0.32ms from Mumbai, IN
114.102.44.152 AS4134 CHINANET-BACKBONE 7.32ms from Nanchang, CN
58.191.245.88 AS17511 OPTAGE Inc. 2.63ms from Osaka, JP
13.36.217.56 AS16509 Amazon.com, Inc. 0.13ms from Paris, FR
110.146.143.88 AS1221 Telstra Limited 8.31ms from Perth, AU
39.74.107.232 AS4837 CHINA UNICOM China169 Backbone 8.62ms from Qingdao, CN
181.226.83.232 AS14117 Telefonica del Sur S.A. 14.76ms from Santiago, CL
59.28.187.88 AS4766 Korea Telecom 6.99ms from Seoul, KR
126.89.104.168 AS17676 SoftBank Corp. 2.97ms from Tokyo, JP
39.111.206.56 AS2527 Sony Network Communications Inc. 1.40ms from Tokyo, JP
24.177.139.72 AS20115 Charter Communications LLC 12.69ms from Ashburn, US
67.141.174.120 AS7029 Windstream Communications LLC 7.93ms from Atlanta, US
97.208.28.104 AS6167 Verizon Business 13.83ms from Chicago, US
24.2.17.104 AS7922 Comcast Cable Communications, LLC 12.72ms from Chicago, US
223.17.138.104 AS9304 HGC Global Communications Limited 1.36ms from Hong Kong, HK
185.92.212.168 AS205416 AYTEMIZ AKARYAKIT DAGITIM A.S 1.58ms from Istanbul, TR
77.51.198.56 AS25515 PJSC Rostelecom 2.27ms from Moscow, RU
195.26.68.248 AS202311 Noki Eiendom AS 0.07ms from Oslo, NO
107.131.5.104 AS7018 AT&T Enterprises, LLC 3.96ms from San Antonio, US

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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