202.4.130.0/24

AS4538  ·  China Education and Research Network Center

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Summary

Country China
Domain buct.edu.cn
ASN AS4538
Parent Range 202.4.128.0/20
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 202.4.130.0/24

Range ASN Company Num of IPs
202.4.128.0/20 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

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

IP Address ASN Details
202.4.130.200 AS4538 China Education and Research Network Center 5.34ms 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
212.200.180.8 AS8400 TELEKOM SRBIJA a.d. 2.16ms from Belgrade, RS
102.216.83.24 AS214879 STANISLAV SAVOV 0.12ms from Bucharest, RO
115.238.100.72 AS58461 CT-HangZhou-IDC 6.15ms from Hangzhou, CN
27.216.9.168 AS4837 CHINA UNICOM China169 Backbone 9.03ms from Qingdao, CN
184.30.153.88 AS16625 Akamai Technologies, Inc. 2.90ms from Seattle, US
176.68.182.24 AS1257 Tele2 Sverige AB 2.01ms from Copenhagen, DK
87.253.252.168 AS15925 Occino GmbH 5.65ms from Frankfurt am Main, DE
87.115.111.232 AS6871 Plusnet 4.55ms from London, GB
82.68.19.56 AS13037 Zen Internet Ltd 2.01ms from Manchester, GB
192.219.254.200 AS395663 sergent telecom inc 15.61ms from Montreal, CA
187.39.30.104 AS28573 Claro NXT Telecomunicacoes Ltda 9.96ms from Osasco, BR
106.54.36.24 AS45090 Shenzhen Tencent Computer Systems Company Limited 0.71ms from Shanghai, CN
122.117.97.184 AS3462 Data Communication Business Group 1.90ms from Taichung, TW
5.55.205.40 AS3329 VODAFONE-PANAFON HELLENIC TELECOMMUNICATIONS COMPANY SA 1.54ms from Athens, GR
34.72.74.200 AS396982 Google LLC 0.12ms from Council Bluffs, US
20.26.253.56 AS8075 Microsoft Corporation 0.20ms from London, GB
63.201.178.168 AS7018 AT&T Enterprises, LLC 2.34ms from Los Angeles, US
69.125.12.104 AS6128 Cablevision Systems Corp. 8.06ms from New York City, US
173.171.187.184 AS33363 Charter Communications, Inc 9.68ms from Orlando, US
20.33.219.8 AS8069 Microsoft Corporation 13.11ms from Singapore, SG
121.2.190.232 AS2527 Sony Network Communications Inc. 3.59ms from Tokyo, JP
92.68.206.24 AS1136 KPN B.V. 3.15ms from Amsterdam, NL
85.92.196.232 AS6908 Datahop - Six Degrees 3.67ms from London, GB
94.127.123.216 AS58264 Austevoll Kraftlag BA 10.48ms from Oslo, NO
4.155.141.40 AS8075 Microsoft Corporation 0.34ms from Quincy, 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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