ASN AS56128 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS56128?

AS56128 is listed under Asian Development Bank.

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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AS56128 Asian Development Bank

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Asian Development Bank adb.org

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AS Data

AS56128

AS56128 – Asian Development Bank

AS Number	56128
AS Name	ADB-ORG-AS-BCF
Organization	Asian Development Bank (org-adb1-ap)
Country	PH
Website	adb.org
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	GOVERNMENT
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 'AS55296 - AS56319'

as-block:       AS55296 - AS56319
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:  2009-09-03T01:15:30Z
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 'AS56128'

% Abuse contact for 'AS56128' is 'domainadmin@adb.org'

aut-num:        AS56128
as-name:        ADB-ORG-AS-BCF
descr:          Asian Development Bank
descr:          6 ADB Avenue
descr:          0401 Mandaluyong City
descr:          P.O. Box 789, 0980 Manila, Philippines
country:        PH
org:            ORG-ADB1-AP
admin-c:        JPT
tech-c:         JPT
abuse-c:        AA2044-AP
mnt-lower:      MAINT-ADB-ORG
mnt-routes:     MAINT-ADB-ORG
mnt-by:         APNIC-HM
mnt-irt:        IRT-ADB-ORG-PH
last-modified:  2020-10-15T00:54:38Z
source:         APNIC

irt:            IRT-ADB-ORG-PH
address:        6 ADB Avenue, Mandaluyong City
address:        0401 Metro Manila
e-mail:         domainadmin@adb.org
abuse-mailbox:  domainadmin@adb.org
admin-c:        JPT
tech-c:         JPT
auth:           # Filtered
remarks:        domainadmin@adb.org was validated on 2025-10-24
mnt-by:         MAINT-ADB-ORG
last-modified:  2025-11-17T23:08:36Z
source:         APNIC

organisation:   ORG-ADB1-AP
org-name:       Asian Development Bank
org-type:       LIR
country:        PH
address:        6 ADB Avenue
address:        0401 Mandaluyong City
address:        P.O. Box 789, 0980 Manila, Philippines
phone:          +632-632-4813
fax-no:         +632-636-2444
e-mail:         domainadmin@adb.org
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:02Z
source:         APNIC

role:           ABUSE ADBORGPH
country:        ZZ
address:        6 ADB Avenue, Mandaluyong City
address:        0401 Metro Manila
phone:          +000000000
e-mail:         domainadmin@adb.org
admin-c:        JPT
tech-c:         JPT
nic-hdl:        AA2044-AP
remarks:        Generated from irt object IRT-ADB-ORG-PH
remarks:        domainadmin@adb.org was validated on 2025-10-24
abuse-mailbox:  domainadmin@adb.org
mnt-by:         APNIC-ABUSE
last-modified:  2025-10-24T02:09:00Z
source:         APNIC

person:         Jonathan Tornea
address:        6 ADB Avenue, Mandaluyong City
country:        PH
phone:          +632-638-1689
e-mail:         jtornea@adb.org
nic-hdl:        JPT
mnt-by:         MAINT-NEW
last-modified:  2010-11-08T08:39:40Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS55296 - AS56319",
    "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" : "2009-09-03",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS56128",
    "as_name" : "ADB-ORG-AS-BCF",
    "description" : [ "Asian Development Bank", "6 ADB Avenue", "0401 Mandaluyong City", "P.O. Box 789, 0980 Manila, Philippines" ],
    "country" : "PH",
    "organization" : "ORG-ADB1-AP",
    "admin_contacts" : [ "JPT" ],
    "tech_contacts" : [ "JPT" ],
    "abuse_contacts" : [ "AA2044-AP" ],
    "mnt_irt" : [ "IRT-ADB-ORG-PH" ],
    "mnt_lower" : [ "MAINT-ADB-ORG" ],
    "mnt_routes" : [ "MAINT-ADB-ORG" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-10-15",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-ADB-ORG-PH",
    "address" : [ "6 ADB Avenue, Mandaluyong City", "0401 Metro Manila" ],
    "street" : "Adb Avenue",
    "city" : "Mandaluyong City",
    "zip_code" : "0401",
    "email" : [ "domainadmin@adb.org" ],
    "abuse_mailbox" : [ "domainadmin@adb.org" ],
    "admin_contacts" : [ "JPT" ],
    "tech_contacts" : [ "JPT" ],
    "remarks" : [ "domainadmin@adb.org was validated on 2025-10-24" ],
    "mnt_by" : [ "MAINT-ADB-ORG" ],
    "date_updated" : "2025-11-17",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-ADB1-AP",
    "name" : "Asian Development Bank",
    "type" : "LIR",
    "address" : [ "6 ADB Avenue", "0401 Mandaluyong City", "P.O. Box 789, 0980 Manila, Philippines" ],
    "street" : "Adb Avenue 0401 Mandaluyong City",
    "city" : "Manila",
    "zip_code" : "0980",
    "country" : [ "PH" ],
    "email" : [ "domainadmin@adb.org" ],
    "phone" : [ "+632-632-4813" ],
    "fax_no" : [ "+632-636-2444" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC",
    "addressCountry" : "PHILIPPINES"
  },
  "administrative_contacts" : [ {
    "handle" : "JPT",
    "name" : "Jonathan Tornea",
    "address" : [ "6 ADB Avenue, Mandaluyong City" ],
    "street" : "Adb Avenue",
    "city" : "Mandaluyong City",
    "country" : "PH",
    "email" : [ "jtornea@adb.org" ],
    "phone" : [ "+632-638-1689" ],
    "mnt_by" : [ "MAINT-NEW" ],
    "date_updated" : "2010-11-08",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "JPT",
    "name" : "Jonathan Tornea",
    "address" : [ "6 ADB Avenue, Mandaluyong City" ],
    "street" : "Adb Avenue",
    "city" : "Mandaluyong City",
    "country" : "PH",
    "email" : [ "jtornea@adb.org" ],
    "phone" : [ "+632-638-1689" ],
    "mnt_by" : [ "MAINT-NEW" ],
    "date_updated" : "2010-11-08",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AA2044-AP",
    "name" : "ABUSE ADBORGPH",
    "address" : [ "6 ADB Avenue, Mandaluyong City", "0401 Metro Manila" ],
    "street" : "Adb Avenue",
    "city" : "Mandaluyong City",
    "zip_code" : "0401",
    "country" : "ZZ",
    "email" : [ "domainadmin@adb.org" ],
    "abuse_mailbox" : [ "domainadmin@adb.org" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "JPT" ],
    "tech_contacts" : [ "JPT" ],
    "remarks" : [ "Generated from irt object IRT-ADB-ORG-PH", "domainadmin@adb.org was validated on 2025-10-24" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2025-10-24",
    "source" : "APNIC"
  } ]
}