ASN Whois Lookup of AS24364

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Lookup Historical Reverse IP Lookup ASN Lookup

ASN Whois lookup data for AS24364

Response

Note: The data is trimmed and it might not be the latest. Please sign in to access the latest data.

Autonomous System Number (ASN)24364

ASN NameCNGI-SH-IX-AS-AP

Organization NameCERNET2 IX at Shanghai Jiaotong University

DescriptionCERNET2 IX at Shanghai Jiaotong University

CountryCN

TypeEDUCATION

Domain Namecernet.edu.cn

HostAPNIC

Total IPv4 Routes1

Total IPv6 Routes1

Route Objects(Total 2 records)

Route2403:d400::/32

OriginAS24364

Origin NameCERNET2 IX at Shanghai Jiaotong University

ISPCERNET2 IX at Shanghai Jiaotong University

Number of IPs7.922816251426434e+28

Route211.80.32.0/19

OriginAS4538

Origin NameTsinghua University

ISPChina Education and Research Network

Number of IPs8192

Down Streams(Total 1 records)

AS NumberAS56004

OriginInformation Center of Shanghai Municipal Education Commission

CountryCN

Up Streams(Total 2 records)

AS NumberAS4538

OriginTsinghua University

CountryCN

AS NumberAS23910

OriginCNGI CERNET

CountryCN

Peers(Total 11 records)

AS NumberAS9808

OriginChina Mobile

CountryCN

AS NumberAS9800

OriginCHINA UNICOM

CountryCN

AS NumberAS4538

OriginChina Education and Research Network Center

CountryCN

Contacts

Email Contacts

helpdesk@cernet.edu.cn

Abuse Contacts

abuse@cernet.edu.cn

Legacy Routes

2001:250:6022::/48

2001:250:602a::/48

240c:c0a8:5c49::/48

240c:c715::/32

2001:da8:801e::/48

202.121.176.0/21

2001:da8:8016::/48

2001:da8:800b::/48

2001:da8:8020::/48

2001:da8:800a::/48

2001:250:602b::/48

2001:da8:8004::/48

2001:250:6040::/48

2001:da8:801d::/48

2001:da8:8032::/48

2001:da8:8015::/48

2001:da8:8029::/48

2001:da8:8021::/48

2001:250:603f::/48

2001:250:6021::/48

2001:250:602c::/48

2001:250:6019::/48

2001:250:6024::/48

2001:250:6038::/48

2001:da8:8022::/48

219.229.0.0/16

240c:c726::/32

202.121.0.0/16

219.228.0.0/16

2001:da8:8028::/48

2001:250:6011::/48

202.120.0.0/18

2001:da8:8000::/48

202.120.0.0/16

2001:250:601e::/48

2001:250:6010::/48

2001:da8:8013::/48

2001:250:603c::/48

2001:da8:8019::/48

2001:da8:801c::/48

175.187.0.0/16

2001:250:601a::/48

2001:250:6017::/48

2001:250:6007::/48

2001:250:6026::/48

219.220.0.0/16

2001:da8:802c::/48

2001:250:6029::/48

2001:250:600b::/48

2001:da8:802f::/48

2001:250:6023::/48

202.112.27.0/24

2001:250:6020::/48

2001:250:602d::/48

2001:da8:8006::/48

202.120.224.0/19

2001:da8:8025::/48

59.78.0.0/16

2001:250:6028::/48

2001:da8:8011::/48

202.120.208.0/20

2001:250:101f::/48

59.79.0.0/16

2001:da8:8008::/48

2001:250:6000::/48

202.112.26.0/24

2001:250:6013::/48

202.121.184.0/24

222.205.0.0/16

222.204.0.0/16

2001:da8:8024::/48

2001:250:6030::/48

2001:da8:8012::/48

2001:250:6014::/48

2001:da8:802d::/48

2001:250:601d::/48

2001:da8:800f::/48

2001:da8:8007::/48

2001:250:602e::/48

2001:da8:802e::/48

59.78.171.0/24

2001:250:6032::/48

240c:c0a8:5c26::/48

2001:da8:8026::/48

2001:250:603a::/48

2001:da8:8010::/48

2001:250:6016::/48

2001:da8:a4::/48

2001:250:601b::/48

2001:250:6027::/48

59.77.0.0/16

2001:da8:802b::/48

2001:da8:801a::/48

2001:da8:8005::/48

2001:da8:801b::/48

202.112.28.0/24

2001:da8:8027::/48

2001:da8:8023::/48

2001:da8:800e::/48

2001:250:600f::/48

2001:250:6025::/48

2001:250:6009::/48

2001:250:6018::/48

2001:250:6015::/48

2001:250:6031::/48

2001:250:6034::/48

2001:250:601c::/48

2001:da8:8030::/48

2001:da8:8033::/48

2001:250:6012::/48

2001:250:601f::/48

2001:da8:8014::/48

Whois Response

Statustrue

Whois Serverwhois.apnic.net

AS Blocks

AS BlockAS23552 - AS24575

Description

APNIC ASN block

Admin Contacts

HM20-AP

Tech Contacts

HM20-AP

Remarks

These AS numbers are further assigned by APNIC

to APNIC members and end-users in the APNIC region

AS23889 has been transfered to AfriNIC

Maintained By

APNIC-HM

Maintained Lower

APNIC-HM

Date Updated2009-09-29

SourceAPNIC

AS BlockAS24298 - AS24400

Description

APNIC ASN block

Admin Contacts

HM20-AP

Tech Contacts

HM20-AP

Remarks

These AS numbers are further assigned by APNIC

to APNIC members and end-users in the APNIC region

Maintained By

APNIC-HM

Maintained Lower

APNIC-HM

Date Updated2008-09-04

SourceAPNIC

Aut Numbers

Aut NumberAS24364

AS NameCNGI-SH-IX-AS-AP

CountryCN

Description

CERNET2 IX at Shanghai Jiaotong University

CERNET Center

Beijing 100084, China

Admin Contacts

CER-AP

Tech Contacts

CER-AP

Abuse Contacts

AC1685-AP

Remarks

Multihome member of CERNET

Maintained IRT

IRT-CERNET-AP

Maintained Lower

MAINT-CERNET-AP

Maintained Routes

MAINT-CERNET-AP

Maintained By

APNIC-HM

Date Updated2020-09-03

SourceAPNIC

IRT Details

IRT HandleIRT-CERNET-AP

IRT Address

Network Center,

FIT-3-220, Tsinghua Univ

Beijing 100084, China

IRT CityBeijing

Administrative Contacts

HandleCER-AP

NameCERNET Helpdesk

CountryCN

Address

CERNET Center

Beijing 100084, China

helpdesk@cernet.edu.cn

Phone

+86-10-6278-4049

Fax

+86-10-6278-5933

Admin Contacts

XL1-CN

Tech Contacts

SZ2-AP

Remarks

abuse@cernet.edu.cn

Maintained By

MAINT-CERNET-AP

Date Updated2020-09-03

SourceAPNIC

Technical Contacts

HandleCER-AP

NameCERNET Helpdesk

CountryCN

Address

CERNET Center

Beijing 100084, China

helpdesk@cernet.edu.cn

Phone

+86-10-6278-4049

Fax

+86-10-6278-5933

Admin Contacts

XL1-CN

Tech Contacts

SZ2-AP

Remarks

abuse@cernet.edu.cn

Maintained By

MAINT-CERNET-AP

Date Updated2020-09-03

SourceAPNIC

Abuse Contacts

HandleAC1685-AP

NameABUSE CERNETAP

CountryZZ

Address

Network Center,

FIT-3-220, Tsinghua Univ

Beijing 100084, China

abuse@cernet.edu.cn

Abuse Mailbox

abuse@cernet.edu.cn

Phone

+86-10-62784301

Admin Contacts

CER-AP

Tech Contacts

CER-AP

Remarks

Generated from irt object IRT-CERNET-AP

abuse@cernet.edu.cn was validated on 2026-03-05

Maintained By

APNIC-ABUSE

Date Updated2026-03-05

SourceAPNIC

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ASN Whois Lookup Faqs

Common questions about ASN assignment, organisation lookup, free access, and API usage.

What is an Autonomous System Number (ASN)?

What does an ASN WHOIS lookup return?

Why would I look up an ASN?

What is the difference between an ASN and an IP address?

How do I find the ASN for a specific IP address?

Can I look up all IP prefixes belonging to an ASN?

Which organizations assign ASNs globally?

Is the ASN WHOIS lookup free to use?

Can I access ASN data via API?

What is the difference between ASN WHOIS and IP WHOIS?

Response

Note: The data is trimmed and it might not be the latest. Please sign in to access the latest data.

Autonomous System Number (ASN)24364

ASN NameCNGI-SH-IX-AS-AP

Organization NameCERNET2 IX at Shanghai Jiaotong University

DescriptionCERNET2 IX at Shanghai Jiaotong University

CountryCN

TypeEDUCATION

Domain Namecernet.edu.cn

HostAPNIC

Total IPv4 Routes1

Total IPv6 Routes1

Route Objects(Total 2 records)

Route2403:d400::/32

OriginAS24364

Origin NameCERNET2 IX at Shanghai Jiaotong University

ISPCERNET2 IX at Shanghai Jiaotong University

Number of IPs7.922816251426434e+28

Route211.80.32.0/19

OriginAS4538

Origin NameTsinghua University

ISPChina Education and Research Network

Number of IPs8192

Down Streams(Total 1 records)

AS NumberAS56004

OriginInformation Center of Shanghai Municipal Education Commission

CountryCN

Up Streams(Total 2 records)

AS NumberAS4538

OriginTsinghua University

CountryCN

AS NumberAS23910

OriginCNGI CERNET

CountryCN

Peers(Total 11 records)

AS NumberAS9808

OriginChina Mobile

CountryCN

AS NumberAS9800

OriginCHINA UNICOM

CountryCN

AS NumberAS4538

OriginChina Education and Research Network Center

CountryCN

Contacts

Email Contacts

helpdesk@cernet.edu.cn

Abuse Contacts

abuse@cernet.edu.cn

Legacy Routes

2001:250:6022::/48

2001:250:602a::/48

240c:c0a8:5c49::/48

240c:c715::/32

2001:da8:801e::/48

202.121.176.0/21

2001:da8:8016::/48

2001:da8:800b::/48

2001:da8:8020::/48

2001:da8:800a::/48

2001:250:602b::/48

2001:da8:8004::/48

2001:250:6040::/48

2001:da8:801d::/48

2001:da8:8032::/48

2001:da8:8015::/48

2001:da8:8029::/48

2001:da8:8021::/48

2001:250:603f::/48

2001:250:6021::/48

2001:250:602c::/48

2001:250:6019::/48

2001:250:6024::/48

2001:250:6038::/48

2001:da8:8022::/48

219.229.0.0/16

240c:c726::/32

202.121.0.0/16

219.228.0.0/16

2001:da8:8028::/48

2001:250:6011::/48

202.120.0.0/18

2001:da8:8000::/48

202.120.0.0/16

2001:250:601e::/48

2001:250:6010::/48

2001:da8:8013::/48

2001:250:603c::/48

2001:da8:8019::/48

2001:da8:801c::/48

175.187.0.0/16

2001:250:601a::/48

2001:250:6017::/48

2001:250:6007::/48

2001:250:6026::/48

219.220.0.0/16

2001:da8:802c::/48

2001:250:6029::/48

2001:250:600b::/48

2001:da8:802f::/48

2001:250:6023::/48

202.112.27.0/24

2001:250:6020::/48

2001:250:602d::/48

2001:da8:8006::/48

202.120.224.0/19

2001:da8:8025::/48

59.78.0.0/16

2001:250:6028::/48

2001:da8:8011::/48

202.120.208.0/20

2001:250:101f::/48

59.79.0.0/16

2001:da8:8008::/48

2001:250:6000::/48

202.112.26.0/24

2001:250:6013::/48

202.121.184.0/24

222.205.0.0/16

222.204.0.0/16

2001:da8:8024::/48

2001:250:6030::/48

2001:da8:8012::/48

2001:250:6014::/48

2001:da8:802d::/48

2001:250:601d::/48

2001:da8:800f::/48

2001:da8:8007::/48

2001:250:602e::/48

2001:da8:802e::/48

59.78.171.0/24

2001:250:6032::/48

240c:c0a8:5c26::/48

2001:da8:8026::/48

2001:250:603a::/48

2001:da8:8010::/48

2001:250:6016::/48

2001:da8:a4::/48

2001:250:601b::/48

2001:250:6027::/48

59.77.0.0/16

2001:da8:802b::/48

2001:da8:801a::/48

2001:da8:8005::/48

2001:da8:801b::/48

202.112.28.0/24

2001:da8:8027::/48

2001:da8:8023::/48

2001:da8:800e::/48

2001:250:600f::/48

2001:250:6025::/48

2001:250:6009::/48

2001:250:6018::/48

2001:250:6015::/48

2001:250:6031::/48

2001:250:6034::/48

2001:250:601c::/48

2001:da8:8030::/48

2001:da8:8033::/48

2001:250:6012::/48

2001:250:601f::/48

2001:da8:8014::/48

Whois Response

Statustrue

Whois Serverwhois.apnic.net

AS Blocks

AS BlockAS23552 - AS24575

Description

APNIC ASN block

Admin Contacts

HM20-AP

Tech Contacts

HM20-AP

Remarks

These AS numbers are further assigned by APNIC

to APNIC members and end-users in the APNIC region

AS23889 has been transfered to AfriNIC

Maintained By

APNIC-HM

Maintained Lower

APNIC-HM

Date Updated2009-09-29

SourceAPNIC

AS BlockAS24298 - AS24400

Description

APNIC ASN block

Admin Contacts

HM20-AP

Tech Contacts

HM20-AP

Remarks

These AS numbers are further assigned by APNIC

to APNIC members and end-users in the APNIC region

Maintained By

APNIC-HM

Maintained Lower

APNIC-HM

Date Updated2008-09-04

SourceAPNIC

Aut Numbers

Aut NumberAS24364

AS NameCNGI-SH-IX-AS-AP

CountryCN

Description

CERNET2 IX at Shanghai Jiaotong University

CERNET Center

Beijing 100084, China

Admin Contacts

CER-AP

Tech Contacts

CER-AP

Abuse Contacts

AC1685-AP

Remarks

Multihome member of CERNET

Maintained IRT

IRT-CERNET-AP

Maintained Lower

MAINT-CERNET-AP

Maintained Routes

MAINT-CERNET-AP

Maintained By

APNIC-HM

Date Updated2020-09-03

SourceAPNIC

IRT Details

IRT HandleIRT-CERNET-AP

IRT Address

Network Center,

FIT-3-220, Tsinghua Univ

Beijing 100084, China

IRT CityBeijing

Administrative Contacts

HandleCER-AP

NameCERNET Helpdesk

CountryCN

Address

CERNET Center

Beijing 100084, China

helpdesk@cernet.edu.cn

Phone

+86-10-6278-4049

Fax

+86-10-6278-5933

Admin Contacts

XL1-CN

Tech Contacts

SZ2-AP

Remarks

abuse@cernet.edu.cn

Maintained By

MAINT-CERNET-AP

Date Updated2020-09-03

SourceAPNIC

Technical Contacts

HandleCER-AP

NameCERNET Helpdesk

CountryCN

Address

CERNET Center

Beijing 100084, China

helpdesk@cernet.edu.cn

Phone

+86-10-6278-4049

Fax

+86-10-6278-5933

Admin Contacts

XL1-CN

Tech Contacts

SZ2-AP

Remarks

abuse@cernet.edu.cn

Maintained By

MAINT-CERNET-AP

Date Updated2020-09-03

SourceAPNIC

Abuse Contacts

HandleAC1685-AP

NameABUSE CERNETAP

CountryZZ

Address

Network Center,

FIT-3-220, Tsinghua Univ

Beijing 100084, China

abuse@cernet.edu.cn

Abuse Mailbox

abuse@cernet.edu.cn

Phone

+86-10-62784301

Admin Contacts

CER-AP

Tech Contacts

CER-AP

Remarks

Generated from irt object IRT-CERNET-AP

abuse@cernet.edu.cn was validated on 2026-03-05

Maintained By

APNIC-ABUSE

Date Updated2026-03-05

SourceAPNIC

ASN Whois Lookup

ASN Whois lookup data for AS24364

Response

DNS API Tools

Security & Domain Tools

Recent ASN Whois Lookup

ASN Whois Lookup Faqs

What is an Autonomous System Number (ASN)?

What does an ASN WHOIS lookup return?

Why would I look up an ASN?

What is the difference between an ASN and an IP address?

How do I find the ASN for a specific IP address?

Can I look up all IP prefixes belonging to an ASN?

Which organizations assign ASNs globally?

Is the ASN WHOIS lookup free to use?

Can I access ASN data via API?

What is the difference between ASN WHOIS and IP WHOIS?

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