What is ASN AS153874?

ASN AS153874 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS153874?

AS153874 is listed under Caraga State University.

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?

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AS153874 Caraga State University

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AS Data

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Raw Whois

Parsed Whois

Peers

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Legacy Routes

Caraga State University carsu.edu.ph

PH 0 Routes

AS Data

AS153874

AS153874 – Caraga State University

AS Number	153874
AS Name	CSU-AS-AP
Organization	Caraga State University (org-csu3-ap)
Country	PH
Website	carsu.edu.ph
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

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Raw Whois Response

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

% Information related to 'AS152890 - AS153913'

as-block:       AS152890 - AS153913
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:  2023-05-11T00:08:48Z
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 'AS153874'

% Abuse contact for 'AS153874' is 'abuse@carsu.edu.ph'

aut-num:        AS153874
as-name:        CSU-AS-AP
descr:          Caraga State University
country:        PH
org:            ORG-CSU3-AP
admin-c:        CSUA1-AP
tech-c:         CSUA1-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-CSU-PH
mnt-routes:     MAINT-CSU-PH
mnt-lower:      MAINT-CSU-PH
last-modified:  2026-05-11T01:31:23Z
source:         APNIC

irt:            IRT-CSU-PH
address:        KM7 NH1 Ampayon, Butuan City Agusan del Norte 8600
e-mail:         cjlgonzales@carsu.edu.ph
abuse-mailbox:  abuse@carsu.edu.ph
admin-c:        CSUA1-AP
tech-c:         CSUA1-AP
auth:           # Filtered
mnt-by:         MAINT-CSU-PH
last-modified:  2026-05-11T01:31:13Z
source:         APNIC

organisation:   ORG-CSU3-AP
org-name:       Caraga State University
org-type:       LIR
country:        PH
address:        KM7 NH1 Ampayon
phone:          +639177078769
e-mail:         cjlgonzales@carsu.edu.ph
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2026-04-14T13:24:50Z
source:         APNIC

role:           Caraga State University administrator
address:        KM7 NH1 Ampayon, Butuan City Agusan del Norte 8600
country:        PH
phone:          +639177078769
e-mail:         cjlgonzales@carsu.edu.ph
admin-c:        CSUA1-AP
tech-c:         CSUA1-AP
nic-hdl:        CSUA1-AP
mnt-by:         MAINT-CSU-PH
last-modified:  2026-05-11T01:31:13Z
source:         APNIC

% Information related to 'AS152890 - AS153913'

as-block:       AS152890 - AS153913
descr:          APNIC ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-02-14T00:38:07Z
source:         IDNIC

role:           ID-NIC ADMINISTRATORS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
admin-c:        IH288-AP
tech-c:         IH288-AP
nic-hdl:        IA55-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2026-02-25T04:06:45Z
source:         IDNIC

role:           ID-NIC HOSTMASTERS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
remarks:        spam and abuse report : abuse@apjii.or.id
remarks:        technical and routing : support@apjii.or.id
remarks:        administrative request : admin@apjii.or.id
remarks:        IDNIC hostmasters role object
admin-c:        IH1-AP
tech-c:         IH1-AP
nic-hdl:        IH123-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2024-07-10T05:48:59Z
source:         IDNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)


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

% Information related to 'AS152890 - AS153913'

as-block:       AS152890 - AS153913
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:  2023-05-11T00:08:48Z
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 'AS153874'

% Abuse contact for 'AS153874' is 'abuse@carsu.edu.ph'

aut-num:        AS153874
as-name:        CSU-AS-AP
descr:          Caraga State University
country:        PH
org:            ORG-CSU3-AP
admin-c:        CSUA1-AP
tech-c:         CSUA1-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-CSU-PH
mnt-routes:     MAINT-CSU-PH
mnt-lower:      MAINT-CSU-PH
last-modified:  2026-05-11T01:31:23Z
source:         APNIC

irt:            IRT-CSU-PH
address:        KM7 NH1 Ampayon, Butuan City Agusan del Norte 8600
e-mail:         cjlgonzales@carsu.edu.ph
abuse-mailbox:  abuse@carsu.edu.ph
admin-c:        CSUA1-AP
tech-c:         CSUA1-AP
auth:           # Filtered
mnt-by:         MAINT-CSU-PH
last-modified:  2026-05-11T01:31:13Z
source:         APNIC

organisation:   ORG-CSU3-AP
org-name:       Caraga State University
org-type:       LIR
country:        PH
address:        KM7 NH1 Ampayon
phone:          +639177078769
e-mail:         cjlgonzales@carsu.edu.ph
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2026-04-14T13:24:50Z
source:         APNIC

role:           Caraga State University administrator
address:        KM7 NH1 Ampayon, Butuan City Agusan del Norte 8600
country:        PH
phone:          +639177078769
e-mail:         cjlgonzales@carsu.edu.ph
admin-c:        CSUA1-AP
tech-c:         CSUA1-AP
nic-hdl:        CSUA1-AP
mnt-by:         MAINT-CSU-PH
last-modified:  2026-05-11T01:31:13Z
source:         APNIC

% Information related to 'AS152890 - AS153913'

as-block:       AS152890 - AS153913
descr:          APNIC ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-02-14T00:38:07Z
source:         IDNIC

role:           ID-NIC ADMINISTRATORS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
admin-c:        IH288-AP
tech-c:         IH288-AP
nic-hdl:        IA55-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2026-02-25T04:06:45Z
source:         IDNIC

role:           ID-NIC HOSTMASTERS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
remarks:        spam and abuse report : abuse@apjii.or.id
remarks:        technical and routing : support@apjii.or.id
remarks:        administrative request : admin@apjii.or.id
remarks:        IDNIC hostmasters role object
admin-c:        IH1-AP
tech-c:         IH1-AP
nic-hdl:        IH123-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2024-07-10T05:48:59Z
source:         IDNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS152890 - AS153913",
    "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" : "2023-05-11",
    "source" : "APNIC"
  }, {
    "as_block" : "AS152890 - AS153913",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "IA55-AP" ],
    "tech_contacts" : [ "IH123-AP" ],
    "mnt_by" : [ "MNT-APJII-ID" ],
    "mnt_lower" : [ "MNT-APJII-ID" ],
    "date_updated" : "2026-02-14",
    "source" : "IDNIC"
  }, {
    "as_block" : "AS152890 - AS153913",
    "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" : "2023-05-11",
    "source" : "APNIC"
  }, {
    "as_block" : "AS152890 - AS153913",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "IA55-AP" ],
    "tech_contacts" : [ "IH123-AP" ],
    "mnt_by" : [ "MNT-APJII-ID" ],
    "mnt_lower" : [ "MNT-APJII-ID" ],
    "date_updated" : "2026-02-14",
    "source" : "IDNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS153874",
    "as_name" : "CSU-AS-AP",
    "description" : [ "Caraga State University" ],
    "country" : "PH",
    "organization" : "ORG-CSU3-AP",
    "admin_contacts" : [ "CSUA1-AP" ],
    "tech_contacts" : [ "CSUA1-AP" ],
    "mnt_irt" : [ "IRT-CSU-PH" ],
    "mnt_lower" : [ "MAINT-CSU-PH" ],
    "mnt_routes" : [ "MAINT-CSU-PH" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2026-05-11",
    "source" : "APNIC"
  }, {
    "aut_num" : "AS153874",
    "as_name" : "CSU-AS-AP",
    "description" : [ "Caraga State University" ],
    "country" : "PH",
    "organization" : "ORG-CSU3-AP",
    "admin_contacts" : [ "CSUA1-AP" ],
    "tech_contacts" : [ "CSUA1-AP" ],
    "mnt_irt" : [ "IRT-CSU-PH" ],
    "mnt_lower" : [ "MAINT-CSU-PH" ],
    "mnt_routes" : [ "MAINT-CSU-PH" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2026-05-11",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-CSU-PH",
    "address" : [ "KM7 NH1 Ampayon, Butuan City Agusan del Norte 8600" ],
    "street" : "Km7 Nh1 Ampayon",
    "city" : "Butuan City",
    "state" : "AGUSAN DEL NORTE",
    "zip_code" : "8600",
    "email" : [ "cjlgonzales@carsu.edu.ph" ],
    "abuse_mailbox" : [ "abuse@carsu.edu.ph" ],
    "admin_contacts" : [ "CSUA1-AP" ],
    "tech_contacts" : [ "CSUA1-AP" ],
    "mnt_by" : [ "MAINT-CSU-PH" ],
    "date_updated" : "2026-05-11",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-CSU3-AP",
    "name" : "Caraga State University",
    "type" : "LIR",
    "address" : [ "KM7 NH1 Ampayon" ],
    "street" : "Km7 Nh1 Ampayon",
    "country" : [ "PH" ],
    "email" : [ "cjlgonzales@carsu.edu.ph" ],
    "phone" : [ "+639177078769" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2026-04-14",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "CSUA1-AP",
    "name" : "Caraga State University administrator",
    "address" : [ "KM7 NH1 Ampayon, Butuan City Agusan del Norte 8600" ],
    "street" : "Km7 Nh1 Ampayon",
    "city" : "Butuan City",
    "state" : "AGUSAN DEL NORTE",
    "zip_code" : "8600",
    "country" : "PH",
    "email" : [ "cjlgonzales@carsu.edu.ph" ],
    "phone" : [ "+639177078769" ],
    "admin_contacts" : [ "CSUA1-AP" ],
    "tech_contacts" : [ "CSUA1-AP" ],
    "mnt_by" : [ "MAINT-CSU-PH" ],
    "date_updated" : "2026-05-11",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "CSUA1-AP",
    "name" : "Caraga State University administrator",
    "address" : [ "KM7 NH1 Ampayon, Butuan City Agusan del Norte 8600" ],
    "street" : "Km7 Nh1 Ampayon",
    "city" : "Butuan City",
    "state" : "AGUSAN DEL NORTE",
    "zip_code" : "8600",
    "country" : "PH",
    "email" : [ "cjlgonzales@carsu.edu.ph" ],
    "phone" : [ "+639177078769" ],
    "admin_contacts" : [ "CSUA1-AP" ],
    "tech_contacts" : [ "CSUA1-AP" ],
    "mnt_by" : [ "MAINT-CSU-PH" ],
    "date_updated" : "2026-05-11",
    "source" : "APNIC"
  } ]
}