What is ASN AS138457?

ASN AS138457 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS138457?

AS138457 is listed under China Academy of Information and Communications Technology.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS138457 China Academy of Information and Communications Technology

ASN Lookup Tool

China Academy of Information and Communications Technology caict.ac.cn

CN 2 Routes

AS Data

AS138457

AS138457 – China Academy of Information and Communications Technology

AS Number	138457
AS Name	CAICT-AS-AP
Organization	China Academy of Information and Communications Technology (org-caoi1-ap)
Country	CN
Website	caict.ac.cn
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS138457 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
45.120.243.0/24	AS138457	China Academy of Information and Communications Technology	Chinese Academy of Telecommunication Research	256
103.61.60.0/24	AS138457	China Academy of Information and Communications Technology	To authorize Microsoft to associate a prefix	256

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS137530 - AS138553'

as-block:       AS137530 - AS138553
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2017-12-08T06:45:58Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS138457'

% Abuse contact for 'AS138457' is 'qichao@caict.ac.cn'

aut-num:        AS138457
as-name:        CAICT-AS-AP
descr:          China Academy of Information and Communications Technology
country:        CN
org:            ORG-CAOI1-AP
admin-c:        CAOI1-AP
tech-c:         CAOI1-AP
abuse-c:        AC2383-AP
mnt-routes:     MAINT-CAICT-CN
mnt-by:         APNIC-HM
mnt-irt:        IRT-CAICT-CN
last-modified:  2021-01-18T04:17:37Z
source:         APNIC

irt:            IRT-CAICT-CN
address:        No.52, Hua Yuan Bei Road, Haidian District, Beijing, China, BEIJING BEIJING 100191
e-mail:         qichao@caict.ac.cn
abuse-mailbox:  qichao@caict.ac.cn
admin-c:        CAOI1-AP
tech-c:         CAOI1-AP
auth:           # Filtered
remarks:        qichao@caict.ac.cn is invalid
mnt-by:         MAINT-CAICT-CN
last-modified:  2026-06-24T13:08:06Z
source:         APNIC

organisation:   ORG-CAOI1-AP
org-name:       China Academy of Information and Communications Technology
org-type:       LIR
country:        CN
address:        No.52, Hua Yuan Bei Road, Haidian District, Beijing, China
phone:          +86-10-62301618
fax-no:         +86-10-62304346
e-mail:         network@teleinfo.cn
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:38Z
source:         APNIC

role:           ABUSE CAICTCN
country:        ZZ
address:        No.52, Hua Yuan Bei Road, Haidian District, Beijing, China, BEIJING BEIJING 100191
phone:          +000000000
e-mail:         qichao@caict.ac.cn
admin-c:        CAOI1-AP
tech-c:         CAOI1-AP
nic-hdl:        AC2383-AP
remarks:        Generated from irt object IRT-CAICT-CN
remarks:        qichao@caict.ac.cn is invalid
abuse-mailbox:  qichao@caict.ac.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-06-27T03:33:13Z
source:         APNIC

role:           China Academy of Information and Communications Te
address:        No.52, Hua Yuan Bei Road, Haidian District, Beijing, China, BEIJING BEIJING 100191
country:        CN
phone:          +86-10-62301618
fax-no:         +86-10-62301618
e-mail:         network@teleinfo.cn
admin-c:        CAOI1-AP
tech-c:         CAOI1-AP
nic-hdl:        CAOI1-AP
mnt-by:         MAINT-CAICT-CN
last-modified:  2018-11-26T00:32:21Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-UK2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS137530 - AS138553",
    "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" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "APNIC-HM" ],
    "date_updated" : "2017-12-08",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS138457",
    "as_name" : "CAICT-AS-AP",
    "description" : [ "China Academy of Information and Communications Technology" ],
    "country" : "CN",
    "organization" : "ORG-CAOI1-AP",
    "admin_contacts" : [ "CAOI1-AP" ],
    "tech_contacts" : [ "CAOI1-AP" ],
    "abuse_contacts" : [ "AC2383-AP" ],
    "mnt_irt" : [ "IRT-CAICT-CN" ],
    "mnt_routes" : [ "MAINT-CAICT-CN" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2021-01-18",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-CAICT-CN",
    "address" : [ "No.52, Hua Yuan Bei Road, Haidian District, Beijing, China, BEIJING BEIJING 100191" ],
    "street" : "Bei Road",
    "city" : "Beijing Beijing",
    "zip_code" : "100191",
    "country" : "CHINA",
    "email" : [ "qichao@caict.ac.cn" ],
    "abuse_mailbox" : [ "qichao@caict.ac.cn" ],
    "admin_contacts" : [ "CAOI1-AP" ],
    "tech_contacts" : [ "CAOI1-AP" ],
    "remarks" : [ "qichao@caict.ac.cn is invalid" ],
    "mnt_by" : [ "MAINT-CAICT-CN" ],
    "date_updated" : "2026-06-24",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-CAOI1-AP",
    "name" : "China Academy of Information and Communications Technology",
    "type" : "LIR",
    "address" : [ "No.52, Hua Yuan Bei Road, Haidian District, Beijing, China" ],
    "street" : "Bei Road",
    "city" : "Beijing",
    "country" : [ "CN" ],
    "email" : [ "network@teleinfo.cn" ],
    "phone" : [ "+86-10-62301618" ],
    "fax_no" : [ "+86-10-62304346" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC",
    "addressCountry" : "CHINA"
  },
  "administrative_contacts" : [ {
    "handle" : "CAOI1-AP",
    "name" : "China Academy of Information and Communications Te",
    "address" : [ "No.52, Hua Yuan Bei Road, Haidian District, Beijing, China, BEIJING BEIJING 100191" ],
    "street" : "Bei Road",
    "city" : "Beijing Beijing",
    "zip_code" : "100191",
    "country" : "CN",
    "email" : [ "network@teleinfo.cn" ],
    "phone" : [ "+86-10-62301618" ],
    "fax_no" : [ "+86-10-62301618" ],
    "admin_contacts" : [ "CAOI1-AP" ],
    "tech_contacts" : [ "CAOI1-AP" ],
    "mnt_by" : [ "MAINT-CAICT-CN" ],
    "date_updated" : "2018-11-26",
    "source" : "APNIC",
    "addressCountry" : "CHINA"
  } ],
  "technical_contacts" : [ {
    "handle" : "CAOI1-AP",
    "name" : "China Academy of Information and Communications Te",
    "address" : [ "No.52, Hua Yuan Bei Road, Haidian District, Beijing, China, BEIJING BEIJING 100191" ],
    "street" : "Bei Road",
    "city" : "Beijing Beijing",
    "zip_code" : "100191",
    "country" : "CN",
    "email" : [ "network@teleinfo.cn" ],
    "phone" : [ "+86-10-62301618" ],
    "fax_no" : [ "+86-10-62301618" ],
    "admin_contacts" : [ "CAOI1-AP" ],
    "tech_contacts" : [ "CAOI1-AP" ],
    "mnt_by" : [ "MAINT-CAICT-CN" ],
    "date_updated" : "2018-11-26",
    "source" : "APNIC",
    "addressCountry" : "CHINA"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AC2383-AP",
    "name" : "ABUSE CAICTCN",
    "address" : [ "No.52, Hua Yuan Bei Road, Haidian District, Beijing, China, BEIJING BEIJING 100191" ],
    "street" : "Bei Road",
    "city" : "Beijing Beijing",
    "zip_code" : "100191",
    "country" : "ZZ",
    "email" : [ "qichao@caict.ac.cn" ],
    "abuse_mailbox" : [ "qichao@caict.ac.cn" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "CAOI1-AP" ],
    "tech_contacts" : [ "CAOI1-AP" ],
    "remarks" : [ "Generated from irt object IRT-CAICT-CN", "qichao@caict.ac.cn is invalid" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-06-27",
    "source" : "APNIC",
    "addressCountry" : "CHINA"
  } ]
}

Peers

AS Number	Description	Country
AS58466	CHINANET Guangdong province network	CN
AS58466	CT Guangzhou IDC CHINANET Guangdong province network	AU

Upstreams

AS Number	Description	Country
AS58466	CT Guangzhou IDC CHINANET Guangdong province network	AU

Contacts

Email Contacts

qichao@caict.ac.cn network@teleinfo.cn

Abuse Contacts

qichao@caict.ac.cn

Legacy Routes

103.61.61.0/24 103.61.62.0/24 2402:7d80:8888::/48 103.61.63.0/24 2402:7d80::/48