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
AS18400
XTREME-AS-AP - Xtreme Networks Limited Announcing routesAS nameXTREME-AS-AP
OrganisationXtreme Networks Limited
CountryNZ
Registry (RIR)APNIC
HandleAS18400
RangeAS18400
Registered04 Sep 2008
Last changed23 Jun 2020
Abuse contact[email protected]
5IPv4 prefixes
2IPv6 prefixes
3Upstreams
17Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS56030 | VOYAGERNET-AS-AP - Voyager Internet Ltd. | 3819 |
| AS45177 | DEVOLI-AS-AP - Devoli | 2124 |
| AS64073 | VETTA - Vetta Group | 14 |
Downstreams
| AS | Network name | Visibility |
|---|---|---|
| AS136559 | OMEGANETWORKSLTD-AS-AP - Omega Networks | 489 |
| AS38037 | INTERNET-AS-AP - InternetNZ Lab | 483 |
| AS153053 | LTSCL-AS-AP - Lesamoa.net | 471 |
| AS139020 | CLOUDLINK-AS-AP - CloudLink Communications | 470 |
| AS151475 | CADUCEUS-AS-AP - Caduceus Systems Limited | 470 |
| AS45285 | NZ-AS-NS2-AP - ASN for anycast peering | 425 |
| AS153850 | RTL-AS-AP - Resolve Technology Limited | 404 |
| AS131455 | ONSITECOMPUTERS-AU - 22 Stirling St | 384 |
| AS132143 | HCSL-AS-AP - Harbour City Security Limited | 296 |
| AS45633 | SLUSH-V4-TRANSIT-AP - Slush Technologies AS V4 Transit | 286 |
| AS63519 | SILICON-NZ - 73 Sydney St | 286 |
| AS141228 | MNZL-AS-AP - Monitor New Zealand Limited | 285 |
| AS131318 | WIALUS-SOLN-AS-AP - Wialus Solutions Limited | 284 |
| AS136524 | ZYLEX-AS-AP - Zylex Computers Limited | 181 |
| AS45641 | ADVANTAGE-AS-AP - Advantage Limited | 157 |
IPv6 prefixes (2)
RPKI-validate all prefixes of AS18400
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| abuse | IRT-XTREME-NETWORKS-NZ | IRT-XTREME-NETWORKS-NZ | [email protected], [email protected] | Level 1, The Thorndon Centre, 191 Thorndon Quay, Thorndon, Wellington |
| registrant | Xtreme Networks Limited | ORG-XNL1-AP | [email protected], +64-4-4740770, +64-4-4740779 | Level 1, 191 Thorndon Quay, Thorndon, Pipitea |
| technical | Dion Hallam | DH390-AP | [email protected], +64-4-4740-770, +64-4-4740-779 | Level 3, The Thorndon Centre, 191 Thorndon Quay, Thorndon, Wellington, New Zealand |
| administrative | Mike Lee | ML825-AP | [email protected], +64-4-4740-770, +64-4-4740-779 | Level 3, The Thorndon Centre, 191 Thorndon Quay, Thorndon, Wellington, New Zealand |
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/18400",
"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/18400",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "NZ",
"name": "XTREME-AS-AP",
"status": [
"active"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T06:40:38Z"
},
{
"eventAction": "last changed",
"eventDate": "2020-06-22T19:16:35Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/18400",
"rel": "self",
"href": "https://rdap.apnic.net/autnum/18400",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"Xtreme Networks Limited",
"P.O Box 13485",
"Johnsonville",
"Wellington"
],
"title": "description"
}
],
"entities": [
{
"roles": [
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2011-06-27T20:01:08Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-10-13T18:36:48Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/18400",
"rel": "self",
"href": "https://rdap.apnic.net/entity/IRT-XTREME-NETWORKS-NZ",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"[email protected] was validated on 2026-10-13"
],
"title": "remarks"
}
],
"handle": "IRT-XTREME-NETWORKS-NZ",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"IRT-XTREME-NETWORKS-NZ"
],
[
"kind",
[],
"text",
"group"
],
[
"adr",
{
"label": "Level 1, The Thorndon Centre\n191 Thorndon Quay\nThorndon\nWellington"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"email",
[],
"text",
"[email protected]"
],
[
"email",
{
"pref": "1"
},
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"registrant"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2017-08-08T23:29:12Z"
},
{
"eventAction": "last changed",
"eventDate": "2025-02-24T12:56:25Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/18400",
"rel": "self",
"href": "https://rdap.apnic.net/entity/ORG-XNL1-AP",
"type": "application/rdap+json"
}
],
"handle": "ORG-XNL1-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Xtreme Networks Limited"
],
[
"kind",
[],
"text",
"org"
],
[
"adr",
{
"label": "Level 1\n191 Thorndon Quay\nThorndon\nPipitea"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+64-4-4740770"
],
[
"tel",
{
"type": "fax"
},
"text",
"+64-4-4740779"
],
[
"email",
[],
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"technical"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T07:29:23Z"
},
{
"eventAction": "last changed",
"eventDate": "2011-10-28T04:17:03Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/18400",
"rel": "self",
"href": "https://rdap.apnic.net/entity/DH390-AP",
"type": "application/rdap+json"
}
],
"handle": "DH390-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Dion Hallam"
],
[
"kind",
[],
"text",
"individual"
],
[
"adr",
{
"label": "Level 3, The Thorndon Centre\n191 Thorndon Quay\nThorndon\nWellington\nNew Zealand"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+64-4-4740-770"
],
[
"tel",
{
"type": "fax"
},
"text",
"+64-4-4740-779"
],
[
"email",
[],
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"administrative"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T07:29:23Z"
},
{
"eventAction": "last changed",
"eventDate": "2011-10-28T04:16:24Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/18400",
"rel": "self",
"href": "https://rdap.apnic.net/entity/ML825-AP",
"type": "application/rdap+json"
}
],
"handle": "ML825-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Mike Lee"
],
[
"kind",
[],
"text",
"individual"
],
[
"adr",
{
"label": "Level 3, The Thorndon Centre\n191 Thorndon Quay\nThorndon\nWellington\nNew Zealand"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+64-4-4740-770"
],
[
"tel",
{
"type": "fax"
},
"text",
"+64-4-4740-779"
],
[
"email",
[],
"text",
"[email protected]"
]
]
]
}
],
"handle": "AS18400",
"startAutnum": 18400,
"endAutnum": 18400,
"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.
