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
AS213471
IPPNOC YAMAMOTO Hiroshi Announcing routesAS nameIPPNOC
OrganisationIPPNOC-MNT
Registry (RIR)RIPE NCC
HandleAS213471
RangeAS213471
Registered04 Feb 2025
Last changed12 Sep 2026
Abuse contact[email protected]
0IPv4 prefixes
7IPv6 prefixes
6Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS215467 | Skhron Skhron OU | 305 |
| AS9663 | MARU-AS-JP - OTO GK | 250 |
| AS214481 | wczapkowicz-as Wojciech Czapkowicz | 249 |
| AS63798 | IPA-ENTERNET - Industrial Cyber Security Center of Excellence | 248 |
| AS214205 | CRISTIAN-TUDOR-MARCUS Cristian Tudor Marcus | 145 |
| AS212895 | ROUTE64_ORG Johannes Ernst | 35 |
Downstreams
None seen.
IPv6 prefixes (7)
RPKI-validate all prefixes of AS213471
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| administrative, technical | IPPNOC | IN2108-RIPE | [email protected] | Shimoayashi 33, Aoba, Sendai 9893125, JP |
| registrant | IPPNOC-MNT | IPPNOC-MNT | ||
| registrant | YAMAMOTO Hiroshi | ORG-INOC3-RIPE | Shimoayashi 33, Aoba, Sendai 9893125, JP | |
| registrant | RIPE-NCC-END-MNT | RIPE-NCC-END-MNT | ||
| abuse | IPPNOC | IN2108-RIPE | [email protected] | Shimoayashi 33, Aoba, Sendai 9893125, JP |
| registrant | IPPNOC-MNT | IPPNOC-MNT |
Raw registry response
{
"handle": "AS213471",
"startAutnum": 213471,
"endAutnum": 213471,
"name": "IPPNOC",
"status": [
"active"
],
"entities": [
{
"handle": "IN2108-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"IPPNOC"
],
[
"kind",
[],
"text",
"group"
],
[
"adr",
{
"label": "Shimoayashi 33, Aoba, Sendai 9893125, JP"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"email",
{
"type": "abuse"
},
"text",
"[email protected]"
]
]
],
"roles": [
"administrative",
"technical"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/213471",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/IN2108-RIPE"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "IPPNOC-MNT",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"IPPNOC-MNT"
],
[
"kind",
[],
"text",
"individual"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/213471",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/IPPNOC-MNT"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "ORG-INOC3-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"YAMAMOTO Hiroshi"
],
[
"kind",
[],
"text",
"org"
],
[
"adr",
{
"label": "Shimoayashi 33, Aoba, Sendai 9893125, JP"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/213471",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/ORG-INOC3-RIPE"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "RIPE-NCC-END-MNT",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"RIPE-NCC-END-MNT"
],
[
"kind",
[],
"text",
"individual"
],
[
"org",
[],
"text",
"ORG-NCC1-RIPE"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/213471",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/RIPE-NCC-END-MNT"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "IN2108-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"IPPNOC"
],
[
"kind",
[],
"text",
"group"
],
[
"adr",
{
"label": "Shimoayashi 33, Aoba, Sendai 9893125, JP"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"email",
{
"type": "abuse"
},
"text",
"[email protected]"
]
]
],
"roles": [
"abuse"
],
"entities": [
{
"handle": "IPPNOC-MNT",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"IPPNOC-MNT"
],
[
"kind",
[],
"text",
"individual"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/213471",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/IPPNOC-MNT"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
}
],
"objectClassName": "entity"
}
],
"remarks": [
{
"description": [
"IPPNOC"
]
}
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/213471",
"rel": "rdap-up",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-up/AS213471",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/213471",
"rel": "rdap-up rdap-active",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-up/AS213471?status=active",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/213471",
"rel": "rdap-down",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-down/AS213471",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/213471",
"rel": "rdap-top",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS213471",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/213471",
"rel": "rdap-top rdap-active",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS213471?status=active",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/213471",
"rel": "rdap-bottom",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-bottom/AS213471",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/213471",
"rel": "self",
"href": "https://rdap.db.ripe.net/autnum/213471",
"type": "application/rdap+json"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2025-02-04T13:18:54Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-09-12T15:37:33Z"
}
],
"rdapConformance": [
"nro_rdap_profile_asn_flat_0",
"rirSearch1",
"autnums",
"cidr0",
"rdap_level_0",
"nro_rdap_profile_0",
"redacted"
],
"notices": [
{
"title": "Filtered",
"description": [
"This output has been filtered."
]
},
{
"title": "Whois Inaccuracy Reporting",
"description": [
"If you see inaccuracies in the results, please visit:"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/213471",
"rel": "inaccuracy-report",
"href": "https://www.ripe.net/contact-form?topic=ripe_dbm&show_form=true",
"type": "text/html"
}
]
},
{
"title": "Source",
"description": [
"Objects returned came from source",
"RIPE"
]
},
{
"title": "Terms and Conditions",
"description": [
"This is the RIPE Database query service. The objects are in RDAP format."
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/213471",
"rel": "terms-of-service",
"href": "http://www.ripe.net/db/support/db-terms-conditions.pdf",
"type": "application/pdf"
}
]
}
],
"port43": "whois.ripe.net",
"objectClassName": "autnum",
"redacted": [
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
"prePath": "$.entities[?(@.handle=='IN2108-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
},
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
"prePath": "$.entities[?(@.handle=='ORG-INOC3-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
},
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
"prePath": "$.entities[?(@.handle=='IN2108-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
}
]
}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.