AS number details
AS4538
China Education and Research Network Center · cernet.edu.cn
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| Field | Value |
|---|---|
| Country |
China
|
| Website | cernet.edu.cn |
| Hosted domains | 2,597 |
| Number of IPv4 | 17,170,688 |
| Number of IPv6 | 79,546,110,004,822,985,066,491,674,624 |
| ASN type | Education |
| Registry | apnic |
| Allocated | 22 years ago on Aug 01, 2002 |
| Updated | 4 years ago on Sep 03, 2020 |
IP Ranges
| Netblock | Company | Num of IPs |
|---|---|---|
| 101.4.0.0/14 | China Education and Research Network | 262,144 |
| 101.4.0.0/20 | China Education and Research Network | 4,096 |
| 101.4.128.0/24 | China Education and Research Network | 256 |
| 101.4.140.0/24 | China Education and Research Network | 256 |
| 101.4.156.0/24 | China Education and Research Network | 256 |
| 101.4.16.0/20 | China Education and Research Network | 4,096 |
| 101.4.192.0/18 | China Education and Research Network | 16,384 |
| 101.4.2.0/24 | China Education and Research Network | 256 |
| 101.4.32.0/20 | China Education and Research Network | 4,096 |
| 101.4.48.0/21 | China Education and Research Network | 2,048 |
| 101.4.63.0/24 | China Education and Research Network | 256 |
| 101.4.64.0/20 | China Education and Research Network | 4,096 |
| 101.5.0.0/16 | China Education and Research Network | 65,536 |
| 101.5.0.0/17 | China Education and Research Network | 32,768 |
| 101.5.128.0/17 | China Education and Research Network | 32,768 |
| 101.5.24.0/21 | China Education and Research Network | 2,048 |
| 101.5.40.0/21 | China Education and Research Network | 2,048 |
| 101.6.0.0/16 | China Education and Research Network | 65,536 |
| 101.6.0.0/17 | China Education and Research Network | 32,768 |
| 101.6.128.0/17 | China Education and Research Network | 32,768 |
| 101.6.16.0/23 | China Education and Research Network | 512 |
| 101.6.6.0/24 | China Education and Research Network | 256 |
| 101.7.0.0/22 | China Education and Research Network | 1,024 |
| 101.7.128.0/18 | China Education and Research Network | 16,384 |
| 101.7.160.0/24 | China Education and Research Network | 256 |
| 101.7.192.0/20 | China Education and Research Network | 4,096 |
| 101.7.208.0/22 | China Education and Research Network | 1,024 |
| 101.7.224.0/20 | China Education and Research Network | 4,096 |
| 101.76.0.0/15 | China Education and Research Network | 131,072 |
| 101.76.0.0/20 | China Education and Research Network | 4,096 |
| 101.76.144.0/20 | China Education and Research Network | 4,096 |
| 101.76.160.0/19 | China Education and Research Network | 8,192 |
| 101.76.16.0/20 | China Education and Research Network | 4,096 |
| 101.76.192.0/18 | China Education and Research Network | 16,384 |
| 101.76.192.0/23 | China Education and Research Network | 512 |
| 101.76.194.0/23 | China Education and Research Network | 512 |
| 101.76.196.0/22 | China Education and Research Network | 1,024 |
| 101.76.200.0/21 | China Education and Research Network | 2,048 |
| 101.76.208.0/20 | China Education and Research Network | 4,096 |
| 101.76.224.0/19 | China Education and Research Network | 8,192 |
| 101.76.32.0/21 | China Education and Research Network | 2,048 |
| 101.76.40.0/21 | China Education and Research Network | 2,048 |
| 101.7.64.0/18 | China Education and Research Network | 16,384 |
| 101.76.48.0/20 | China Education and Research Network | 4,096 |
| 101.76.64.0/19 | China Education and Research Network | 8,192 |
| 101.76.96.0/20 | China Education and Research Network | 4,096 |
| 101.7.7.0/24 | China Education and Research Network | 256 |
| 103.137.60.0/24 | China Education and Research Network | 256 |
| 103.31.48.0/22 | Information Center of Shanghai Municipal Education Commission | 1,024 |
| 110.64.0.0/15 | China Education and Research Network | 131,072 |
| 110.64.0.0/16 | China Education and Research Network | 65,536 |
| 110.64.0.0/20 | China Education and Research Network | 4,096 |
| 110.64.128.0/20 | China Education and Research Network | 4,096 |
| 110.64.148.0/23 | China Education and Research Network | 512 |
| 110.64.151.0/24 | China Education and Research Network | 256 |
| 110.64.152.0/24 | China Education and Research Network | 256 |
| 110.64.153.0/24 | China Education and Research Network | 256 |
| 110.64.160.0/20 | China Education and Research Network | 4,096 |
| 110.64.16.0/21 | China Education and Research Network | 2,048 |
| 110.64.176.0/20 | China Education and Research Network | 4,096 |
| 110.64.192.0/21 | China Education and Research Network | 2,048 |
| 110.64.200.0/22 | China Education and Research Network | 1,024 |
| 110.64.204.0/23 | China Education and Research Network | 512 |
| 110.64.206.0/24 | China Education and Research Network | 256 |
| 110.64.207.0/24 | China Education and Research Network | 256 |
| 110.64.208.0/22 | China Education and Research Network | 1,024 |
| 110.64.212.0/22 | China Education and Research Network | 1,024 |
| 110.64.216.0/21 | China Education and Research Network | 2,048 |
| 110.64.24.0/24 | China Education and Research Network | 256 |
| 110.64.30.0/23 | China Education and Research Network | 512 |
| 110.64.32.0/21 | China Education and Research Network | 2,048 |
| 110.64.48.0/21 | China Education and Research Network | 2,048 |
| 110.64.56.0/22 | China Education and Research Network | 1,024 |
| 110.64.60.0/22 | China Education and Research Network | 1,024 |
| 110.64.64.0/19 | China Education and Research Network | 8,192 |
| 110.64.96.0/19 | China Education and Research Network | 8,192 |
| 110.65.0.0/16 | China Education and Research Network | 65,536 |
| 110.65.0.0/18 | China Education and Research Network | 16,384 |
| 110.65.112.0/23 | China Education and Research Network | 512 |
| 110.65.128.0/22 | China Education and Research Network | 1,024 |
| 110.65.132.0/24 | China Education and Research Network | 256 |
| 110.65.133.0/24 | China Education and Research Network | 256 |
| 110.65.134.0/23 | China Education and Research Network | 512 |
| 110.65.136.0/23 | China Education and Research Network | 512 |
| 110.65.138.0/24 | China Education and Research Network | 256 |
| 110.65.144.0/23 | China Education and Research Network | 512 |
| 110.65.146.0/24 | China Education and Research Network | 256 |
| 110.65.147.0/24 | China Education and Research Network | 256 |
| 110.65.156.0/24 | China Education and Research Network | 256 |
| 110.65.157.0/24 | China Education and Research Network | 256 |
| 110.65.158.0/23 | China Education and Research Network | 512 |
| 110.65.240.0/20 | China Education and Research Network | 4,096 |
| 110.65.64.0/21 | China Education and Research Network | 2,048 |
| 110.65.71.0/24 | China Education and Research Network | 256 |
| 110.65.80.0/20 | China Education and Research Network | 4,096 |
| 110.65.96.0/20 | China Education and Research Network | 4,096 |
| 111.114.0.0/15 | China Education and Research Network | 131,072 |
| 111.114.0.0/18 | China Education and Research Network | 16,384 |
| 111.114.112.0/20 | China Education and Research Network | 4,096 |
| 111.114.128.0/19 | China Education and Research Network | 8,192 |
| Netblock | Company |
|---|---|
| 2001:252:ff00::/40 | CNGI International Gateway Network (CNGIIGN) |
| 2001:da8:257::/48 | China Next Generation Internet CERNET2 |
| 2001:daa:1::/48 | Natural Science Foundation of China Network (NSFCNET) |
| 2001:daa:2::/48 | Natural Science Foundation of China Network (NSFCNET) |
| 2001:daa:3::/48 | Natural Science Foundation of China Network (NSFCNET) |
| 2001:daa:4::/48 | Natural Science Foundation of China Network (NSFCNET) |
| 2001:daa:5::/48 | Natural Science Foundation of China Network (NSFCNET) |
| 2001:daa:6::/48 | Natural Science Foundation of China Network (NSFCNET) |
| 2402:3c00::/32 | FibrLINK Communications Co., Ltd. |
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IP Ranges API 
WHOIS Details
ASHandle: AS4538 OrgID: AS4538 ASName: AS4538 ASNumber: AS4538 RegDate: 0000-00-00 Updated: 0000-00-00 TechHandle: AA00-AAAA Source: AAAA
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Hosted Domains
There are 2,597 domain names hosted across 2,017 IP addresses on this ASN.
| IP Address | Domain | Domains on this IP |
|---|---|---|
| 166.111.4.100 | ██████████ | 24 |
| 202.112.113.4 | ███████ | 18 |
| 202.205.161.133 | ██████████ | 16 |
| 101.6.6.219 | █████████ | 15 |
| 58.154.224.253 | ██████ | 14 |
| 202.205.158.85 | ██████████ | 11 |
| 166.111.134.52 | █████████ | 10 |
| 121.194.4.35 | ██████████ | 9 |
| 202.120.224.129 | ██████████ | 8 |
| 162.105.131.160 | ██████████ | 7 |
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Useful for
Cybersecurity
Peers
There are 62 peers for this ASN.
| Peers | Name |
|---|---|
| AS1239 | Sprint |
| AS1299 | Arelion Sweden AB |
| AS131578 | Beijing Foreign Studies University |
| AS132337 | Axclusive |
| AS133111 | CERNET New Technology Co., Ltd |
| AS133465 | Duke Kunshan University |
| AS138369 | CERNET2 regional IX at Shenzhen University |
| AS138371 | CERNET2 regional IX at Ocean University of China |
| AS138378 | CERNET2 regional IX at Yunnan University |
| AS138393 | CERNET2 regional IX at Guangxi University |
| AS138441 | CERNET2 regional IX at Xinjiang University |
| AS139139 | Shenyang Agricultural University |
| AS140570 | Hong Kong Beecloud System Technology Services Limited |
| AS140627 | OneQode |
| AS146782 | University Of Chinese Academy Of Social Sciences |
| AS174 | Cogent Communications |
| AS23764 | CTGNet |
| AS23855 | Singapore Advanced Research and Education Network |
| AS23910 | China Next Generation Internet CERNET2 |
| AS23911 | China Next Generation Internet Beijing IX |
| AS24348 | CERNET2 IX at Tsinghua University |
| AS24349 | CERNET2 IX at Peking University |
| AS24350 | CERNET2 IX at Beijing University of Posts and Telecommunications |
| AS24352 | CERNET2 IX at Tianjin University |
| AS24353 | CERNET2 IX at Xi'an Jiaotong University |
| AS24355 | CERNET2 IX at University of Electronic Science and Technology of China |
| AS24356 | CERNET2 IX at Chongqing University |
| AS24357 | CERNET2 IX at South China University of Technology |
| AS24358 | CERNET2 IX at Huazhong University of Science and Technology |
| AS24361 | CERNET2 IX at Southeast University |
| AS24362 | CERNET2 IX at University of Science and Technology of China |
| AS24363 | CERNET2 IX at Shandong University |
| AS24364 | CERNET2 IX at Shanghai Jiaotong University |
| AS24367 | CERNET2 IX at Zhejiang University |
| AS24369 | CERNET2 IX at Northeast University |
| AS24370 | CERNET2 IX at Dalian University of Technology |
| AS24371 | CERNET2 IX at Jilin University |
| AS24372 | CERNET2 IX at Harbin Institute of Technology |
| AS24482 | SG.GS |
| AS2914 | NTT America, Inc. |
| AS3491 | PCCW Global, Inc. |
| AS36236 | NetActuate, Inc |
| AS38008 | Aperture Science Limited |
| AS38195 | Superloop |
| AS39120 | Convergenze S.p.A. |
| AS41095 | IPTP LTD |
| AS4134 | CHINANET-BACKBONE |
| AS4635 | Hong Kong Internet Exchange--Route Server 1 |
| AS4837 | CHINA UNICOM China169 Backbone |
| AS49544 | i3D.net B.V |
| AS58453 | China Mobile International Limited |
| AS6453 | TATA COMMUNICATIONS (AMERICA) INC |
| AS6939 | Hurricane Electric LLC |
| AS7473 | Singapore Telecommunications Ltd |
| AS7575 | Australian Academic and Research Network (AARNet) |
| AS7660 | Asia Pacific Advanced Network - Japan |
| AS8220 | COLT Technology Services Group Limited |
| AS8359 | MTS PJSC |
| AS9002 | RETN Limited |
| AS9304 | HGC Global Communications Limited |
| AS9405 | Test platform Service Center |
| AS9808 | China Mobile Communications Group Co., Ltd. |
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Upstreams
There are 11 upstreams for this ASN.
| upstreams | Name |
|---|---|
| AS1299 | Arelion Sweden AB |
| AS140570 | Hong Kong Beecloud System Technology Services Limited |
| AS174 | Cogent Communications |
| AS23764 | CTGNet |
| AS23910 | China Next Generation Internet CERNET2 |
| AS24372 | CERNET2 IX at Harbin Institute of Technology |
| AS2914 | NTT America, Inc. |
| AS3491 | PCCW Global, Inc. |
| AS4837 | CHINA UNICOM China169 Backbone |
| AS58453 | China Mobile International Limited |
| AS6453 | TATA COMMUNICATIONS (AMERICA) INC |
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.
Downstreams
There are 10 downstreams for this ASN.
| Downstreams | Name |
|---|---|
| AS131578 | Beijing Foreign Studies University |
| AS133111 | CERNET New Technology Co., Ltd |
| AS133465 | Duke Kunshan University |
| AS138378 | CERNET2 regional IX at Yunnan University |
| AS139139 | Shenyang Agricultural University |
| AS146782 | University Of Chinese Academy Of Social Sciences |
| AS23911 | China Next Generation Internet Beijing IX |
| AS24348 | CERNET2 IX at Tsinghua University |
| AS24357 | CERNET2 IX at South China University of Technology |
| AS9405 | Test platform Service Center |
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.
Related Networks
What is an ASN?
Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.
The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS4538 at robtex.
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