Free network tools
AS WHOIS
Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.
Network Report (All-in-one) BGP Looking Glass BGP Security Check RPKI Validator BGP Hijack & Leak Monitor ASN Intelligence Internet Outages & Anomalies Country Internet Report Domain Insights IP WHOIS AS WHOIS
AS153874
CSU-AS-AP - Caraga State University Announcing routesAS nameCSU-AS-AP
OrganisationCaraga State University
CountryPH
Registry (RIR)APNIC
HandleAS153874
RangeAS153874
Registered11 May 2026
Last changed23 Jul 2026
1IPv4 prefixes
1IPv6 prefixes
2Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS9658 | ETPI-IDS-AS-AP - Eastern Telecoms Phils., Inc. | 185 |
| AS152135 | CSSI-AS-AP - Cubiscomm Signal Sales, Inc. | 69 |
Downstreams
None seen.
IPv4 prefixes (1)
IPv6 prefixes (1)
RPKI-validate all prefixes of AS153874
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| technical, administrative | Caraga State University administrator | CSUA1-AP | [email protected], +639177078769 | KM7 NH1 Ampayon, Butuan City Agusan del Norte 8600 |
| registrant | Caraga State University | ORG-CSU3-AP | [email protected], +639177078769 | KM7 NH1 Ampayon |
| abuse | IRT-CSU-PH | IRT-CSU-PH | [email protected], [email protected] | KM7 NH1 Ampayon, Butuan City Agusan del Norte 8600 |
Raw registry response
{
"rdapConformance": [
"history_version_0",
"nro_rdap_profile_0",
"nro_rdap_profile_asn_hierarchical_0",
"cidr0",
"rdap_level_0"
],
"notices": [
{
"title": "Source",
"description": [
"Objects returned came from source",
"APNIC"
]
},
{
"title": "Terms and Conditions",
"description": [
"This is the APNIC WHOIS Database query service. The objects are in RDAP format."
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/153874",
"rel": "terms-of-service",
"href": "http://www.apnic.net/db/dbcopyright.html",
"type": "text/html"
}
]
},
{
"title": "Whois Inaccuracy Reporting",
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/153874",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "PH",
"name": "CSU-AS-AP",
"status": [
"active"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2026-05-11T01:31:23Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-07-23T15:56:12Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/153874",
"rel": "self",
"href": "https://rdap.apnic.net/autnum/153874",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"Caraga State University"
],
"title": "description"
}
],
"entities": [
{
"roles": [
"technical",
"administrative"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2026-05-11T01:31:12Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-05-11T01:31:13Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/153874",
"rel": "self",
"href": "https://rdap.apnic.net/entity/CSUA1-AP",
"type": "application/rdap+json"
}
],
"handle": "CSUA1-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Caraga State University administrator"
],
[
"kind",
[],
"text",
"group"
],
[
"adr",
{
"label": "KM7 NH1 Ampayon, Butuan City Agusan del Norte 8600"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+639177078769"
],
[
"email",
[],
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"registrant"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2026-04-14T13:24:50Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-04-14T13:24:50Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/153874",
"rel": "self",
"href": "https://rdap.apnic.net/entity/ORG-CSU3-AP",
"type": "application/rdap+json"
}
],
"handle": "ORG-CSU3-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Caraga State University"
],
[
"kind",
[],
"text",
"org"
],
[
"adr",
{
"label": "KM7 NH1 Ampayon"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+639177078769"
],
[
"email",
[],
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2026-05-11T01:31:13Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-07-27T04:28:34Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/153874",
"rel": "self",
"href": "https://rdap.apnic.net/entity/IRT-CSU-PH",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"[email protected] was validated on 2026-07-23",
"[email protected] was validated on 2026-07-23"
],
"title": "remarks"
}
],
"handle": "IRT-CSU-PH",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"IRT-CSU-PH"
],
[
"kind",
[],
"text",
"group"
],
[
"adr",
{
"label": "KM7 NH1 Ampayon, Butuan City Agusan del Norte 8600"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"email",
[],
"text",
"[email protected]"
],
[
"email",
{
"pref": "1"
},
"text",
"[email protected]"
]
]
]
}
],
"handle": "AS153874",
"startAutnum": 153874,
"endAutnum": 153874,
"objectClassName": "autnum",
"port43": "whois.apnic.net"
}Results come from public internet registries and live global routing data. Results are cached for up to an hour. Lookups are logged with your IP address to prevent abuse — see our Privacy Policy.