Asia Pacific Network Information Centre

AS 4538 ERX-CERNET-BKB China Education and Research Network Center

Asia Pacific Network Information Centre

AS 4538 ERX-CERNET-BKB China Education and Research Network Center


Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

  42,443,520 IP addresses

  Network
ASN4538
NameERX-CERNET-BKB China Education and Research Network Center
OrganizationAsia Pacific Network Information Centre
CountryChina  
RegistryARIN


  Details
IPv4 addresses42,443,520
IPv6 /64 networks244
Prefixes5,316


  Other ASN allocated to Asia Pacific Network Information Centre
ASN Name IP addresses
3462 HINET Data Communication Business Group 17,041,168
2907 SINET-AS Research Organization of Information and Systems, National Institute o 9,049,301
3786 LGDACOM LG DACOM Corporation 8,857,692
6619 SAMSUNGSDS-AS-KR SamsungSDS Inc. 1,224,704
4515 ERX-STAR PCCW IMSBiz 1,091,840
6648 BAYAN-TELECOMMUNICATIONS Bayan Telecommunications, Inc. 1,005,057
3758 SINGNET SingNet 807,680
4058 CITICTEL-CPC-AS4058 CITIC Telecom International CPC Limited 601,137
6262 CSIRO Commonwealth Scientific and Industrial 534,016
3605 ERX-KUENTOS-AS Guam Cablevision, LLC. 183,808
3488 JAXANET Information Systems Department, Japan Aerospace Exploration Agency 116,736
4961 DISC-AS-KR Daewoo Information System 100,904
4158 CITYU-AS-HK City University of Hong Kong 95,776
3363 HKUST-AS-HK Hong Kong University of Science and Technology 92,160
4528 HKU-AS-HK The University of Hong Kong 83,712
4274 ERX-AU-NET Assumption University 83,456
3661 ERX-CUHKNET The Chinese University of Hong Kong 74,240
4605 ERX-HKBUNET Hong Kong Baptist University 70,464
3839 ERX-CHULANET Chulalongkorn University 66,816
3382 ERX-JUITA-UINET University of Indonesia 66,048
3784 ERX-POSTECHNET Pohang University of Science and Technology 65,536
3748 ETRI-AS-KR Electronics and Telecommunications Research Institute 65,536
3813 SOGANG-AS-KR sogang university 65,536
3550 ERX-PHILNET Ateneo de Manila University 63,744
4007 SUBISU-CABLENET-AS-AP Subisu Cablenet (Pvt) Ltd, Baluwatar, Kathmandu, Nepal 51,968
5087 LANKA-COM Lanka Communication Services 51,712
7131 ERX-ITE-AS IT&E Overseas 41,472
4434 ERX-RADNET1-AS PT Rahajasa Media Internet 41,216
4049 CCL-AS-AP Computer Concepts Limited 19,456
7175 ERX-AUSSIE aussie.net Pty Limited 18,176
3836 THAISARN-TH-AS-AP Thai Social/Scientific, Academic and Research Network 10,752
3583 ERX-IPTEK-ASN BPP Teknologi Networks Manager 8,192
4594 HKISL-ASN Internet Solutions Limited 6,144
4608 APNIC-SERVICES Asia Pacific Network Information Centre 5,888
5017 CITICTEL-CPC-AS5017 CITIC Telecom International CPC Limited 5,376
5018 CITICTEL-CPC-AS5018 CITIC Telecom International CPC Limited 4,864
3608 KRC-AS-KR Korea Rural Community Corporation 4,168
4382 INDONUSA-ID PT. Indonusa System Integrator Prima 4,096
24555 APRICOT-APNIC-ASN ASN used for conferences in AP region 4,096
6163 INTERISLAND-AS-AP Inter-Island Information Systems, Inc 2,048
4352 EMRNET-AS-HK-AP Emerson (NYSE:EMR) is a global company 1,792
3662 HARNET Joint Universities Computer Centre Limited 1,792
4202 OTTOGI-AS-KR ottogi.co.kr 1,548
3693 CITICTEL-CPC-AS3693 CITIC Telecom International CPC Limited 1,536
3825 APNIC-3825 512
4040 KORNET-PS-AS-KR Korea Telecom 512
18368 APNIC-SERVICES APNIC DNS Anycast 256
18369 APNIC-ANYCAST2 APNIC ANYCAST 256
18366 APNIC-ANYCAST-AP ANYCAST AS 256
2823 ERX-BT-AU-1 Bankers Trust 256
3976 ERX-NURI-ASN I.Net Technologies Inc. 256
4777 APNIC-NSPIXP2-AS Asia Pacific Network Information Centre 256
55638 APNIC-AS-AP 256


  Prefixes for AS4538
IPv4 addresses - showing the first 20 of 5,313 networks
Network Location Addresses
Cernet   Guangzhou (Tianhe Qu) 131,072
Cernet   Shenzhen (Nanshan Qu) 16,384
Cernet   Nanning (Xixiangtang) 16,384
Cernet   Guilin (Qixing Qu) 16,384
Cernet   Nanning (Xixiangtang) 8,192
Cernet   Nanjing 65,536
Cernet   Chuzhou (Langya Qu) 256
Cernet   Hefei (Luyang Qu) 2,048
Cernet   Jinan (Shizhong Qu) 4,096
Cernet   Nanjing (Gulou Qu) 4,096
Cernet   Weifang Shi (Kuiwen Qu) 2,048
Cernet   Dezhou (Decheng Qu) 2,048
Cernet   Dezhou (Decheng Qu) 4,096
Cernet   Jinan (Licheng Qu) 16,384
Cernet   Changzhou Shi (Wujin Qu) 4,096
Cernet   Changzhou Shi (Wujin Qu) 2,048
Cernet   Beijing (Xicheng District) 262,144
Cernet   Beijing (Xicheng District) 4,096
Cernet   Haidian (Haidian Qu) 256
Cernet   Beijing (Haidian Qu) 256

IPv6 addresses
Network Location /64 Prefixes
Cngi-Cernet2   Beijing (Haidian Qu) 216
Asia Pacific Network Information Centre   Beijing (Haidian Qu) 243
Asia Pacific Network Information Centre   Beijing (Haidian Qu) 243