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AS WHOIS
Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.
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AS1237
KREONET-AS-KR-KR - KISTI Announcing routesAS nameKREONET-AS-KR-KR
CountryKR
Registry (RIR)APNIC
HandleAS1237
RangeAS1237
Registered—
Last changed—
Abuse contact[email protected]
212IPv4 prefixes
1IPv6 prefixes
4Upstreams
43Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS17579 | KREONET2-AS-KR-KR - KISTI | 4062 |
| AS4766 | KIXS-AS-KR-KR - Korea Telecom | 1997 |
| AS399861 | MOBITE-NET - Mobite Network LLC | 151 |
| AS9318 | SKB-AS-KR - SK Broadband Co Ltd | 4 |
Downstreams
| AS | Network name | Visibility |
|---|---|---|
| AS152671 | SPARCS-AS-KR - SPARCS | 283 |
| AS23596 | EDNSKR-KR-KR - Korea Internet Security Agency | 282 |
| AS9489 | KARINET-AS-KR - Korea Aerospace Research Institute | 277 |
| AS1704 | KAIST-SEOUL-AS-KR-KR - Korea Advanced Institute of Science and Technology | 247 |
| AS10052 | KNU-AS-KR - Kyungpook National University | 190 |
| AS17595 | KINSNET-AS-KR-KR - Korea Institute of Nuclear Safety | 163 |
| AS38426 | KREI-AS-KR-KR - KOREA RURAL ECONOMIC INSTITUTE | 162 |
| AS45379 | UNIST-AS-KR-KR - Ulsan National Institute of Science and Technology | 162 |
| AS9695 | KOEXP-AS-KR-KR - KISTI | 162 |
| AS9949 | HOSEO-AS-KR - Hoseo University | 161 |
| AS10162 | SNUH-AS-KR-KR - SNUH | 160 |
| AS9568 | KIMM-AS-KR-KR - KOREA INSTITUTE OF MACHINERY MATERIALS (KIMM) | 160 |
| AS10070 | KRISS-AS-KR - KRISS SubDAEJONnetworks connected to backbone | 159 |
| AS131830 | IBS-AS-KR-KR - Institute for Basic Science | 159 |
| AS17866 | KISTNET-AS-KR-KR - Korea Institute of Science and Technology | 159 |
IPv4 prefixes (212)
210.125.56.0/21203.250.160.0/21203.253.226.0/24203.241.116.0/23203.253.234.0/23203.250.172.0/22210.117.198.0/24210.219.62.0/23210.110.236.0/22210.98.52.0/24203.247.187.0/24203.250.155.0/24210.117.211.0/24203.230.22.0/23203.250.176.0/21203.230.108.0/22203.230.74.0/23134.75.250.0/24203.241.120.0/22203.250.110.0/24203.253.136.0/22210.119.20.0/23210.110.182.0/24210.110.192.0/22203.230.60.0/22203.230.73.0/24203.230.6.0/24210.107.152.0/21203.253.236.0/24203.254.185.0/24210.107.146.0/24210.107.160.0/20203.230.16.0/23203.254.175.0/24210.110.196.0/23203.250.182.0/24202.31.182.0/24203.230.0.0/24210.98.26.0/24147.47.125.0/24203.247.216.0/22203.253.140.0/22210.117.236.0/24210.110.235.0/24203.247.69.0/24210.117.194.0/24210.219.45.0/24210.125.64.0/21203.253.238.0/24210.119.48.0/20202.30.40.0/22210.119.71.0/24210.219.34.0/23203.254.176.0/20203.253.96.0/20210.98.48.0/24210.117.210.0/23210.117.217.0/24210.119.96.0/22203.247.190.0/23210.110.183.0/24203.247.192.0/20203.247.164.0/23203.247.170.0/23210.98.24.0/23203.230.7.0/24210.98.8.0/22210.219.40.0/23210.110.206.0/23210.219.32.0/24210.119.64.0/19210.119.122.0/23210.119.113.0/24210.110.224.0/21210.119.36.0/23210.219.55.0/24210.117.224.0/24210.98.47.0/24203.233.155.0/24210.117.248.0/22210.125.32.0/20203.241.40.0/21210.119.114.0/23203.250.0.0/19210.117.216.0/24203.247.180.0/23210.110.184.0/24210.98.44.0/24210.218.202.0/23210.117.230.0/24210.219.52.0/24203.247.167.0/24202.30.60.0/22203.247.184.0/24203.241.169.0/24203.254.40.0/24203.253.224.0/23210.110.191.0/24210.117.212.0/24210.117.192.0/24211.213.190.0/24210.110.232.0/24210.219.48.0/22210.219.56.0/21210.117.240.0/21203.247.172.0/22210.98.48.0/21210.125.0.0/24210.117.214.0/23203.247.176.0/22203.250.112.0/21210.114.108.0/24203.250.156.0/24203.241.118.0/24203.247.64.0/24203.241.170.0/23203.250.156.0/22203.253.135.0/24203.241.165.0/24203.230.8.0/22210.219.47.0/24147.47.124.0/24210.117.208.0/24203.241.164.0/24203.247.185.0/24203.230.120.0/24210.107.254.0/24203.233.156.0/24210.117.193.0/24210.98.56.0/24210.119.100.0/23203.230.76.0/22210.110.198.0/24210.117.225.0/24210.119.72.0/24203.230.2.0/24210.218.201.0/24210.110.143.0/24203.250.96.0/21203.254.168.0/23203.250.183.0/24210.110.254.0/23210.219.42.0/24203.241.174.0/24210.125.69.0/24210.98.54.0/24210.98.14.0/23210.219.62.0/24210.218.192.0/24210.117.226.0/23203.247.73.0/24210.119.40.0/21210.117.252.0/23210.117.218.0/24203.250.192.0/18134.75.0.0/16210.119.126.0/24150.183.0.0/16210.107.252.0/23203.230.3.0/24203.230.116.0/24203.230.72.0/24210.117.197.0/24210.119.37.0/24210.218.204.0/23210.110.144.0/20203.254.186.0/24210.110.252.0/24203.247.188.0/24203.230.64.0/21210.117.209.0/24210.218.206.0/23210.218.216.0/22210.117.219.0/24203.254.180.0/24203.230.116.0/23203.253.230.0/23210.110.189.0/24210.114.104.0/23134.75.20.0/24203.254.181.0/24210.114.106.0/24147.47.120.0/21218.234.156.0/24210.119.116.0/24218.233.7.0/24210.98.60.0/22210.125.84.0/23210.107.144.0/24210.98.5.0/24210.98.12.0/24210.219.36.0/22210.119.124.0/23203.230.126.0/24210.117.238.0/23210.110.205.0/24210.107.248.0/22210.98.28.0/22203.254.179.0/24210.110.128.0/21203.230.24.0/21210.125.107.0/24203.241.172.0/23150.183.11.0/24203.247.160.0/22210.98.6.0/23210.110.190.0/24134.75.52.0/23210.117.228.0/23210.218.208.0/21210.218.203.0/24210.98.59.0/24
IPv6 prefixes (1)
RPKI-validate all prefixes of AS1237
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| abuse | IRT-KRNIC-KR | IRT-KRNIC-KR | [email protected], [email protected] | Seocho-ro 398, Seocho-gu, Seoul, Korea |
| administrative | AS Manager | IH1-KR | [email protected], +82-42-869-0707 | Daejeon Yuseong-gu Daehak-ro 245, KISTI |
| technical | AS Manager | SK1-KR | [email protected], +82-42-869-0707 | Daejeon Yuseong-gu Daehak-ro 245, KISTI |
Raw registry response
{
"rdapConformance": [
"nro_rdap_profile_0",
"nro_rdap_profile_asn_hierarchical_0",
"cidr0",
"rdap_level_0"
],
"notices": [
{
"title": "Source",
"description": [
"Objects returned came from source",
"KRNIC"
]
},
{
"title": "Terms and Conditions",
"description": [
"This is the APNIC WHOIS Database query service. The objects are in RDAP format.",
"This information has been partially mirrored by APNIC from KRNIC. To obtain more specific information, please use the KRNIC whois server at whois.kisa.or.kr."
],
"links": [
{
"value": "https://krnic.rdap.apnic.net/autnum/1237",
"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://krnic.rdap.apnic.net/autnum/1237",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "KR",
"name": "KREONET-AS-KR-KR",
"status": [
"active"
],
"links": [
{
"value": "https://krnic.rdap.apnic.net/autnum/1237",
"rel": "self",
"href": "https://krnic.rdap.apnic.net/autnum/1237",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"KISTI"
],
"title": "description"
}
],
"entities": [
{
"roles": [
"abuse"
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2017-10-19T07:36:36Z"
}
],
"links": [
{
"value": "https://krnic.rdap.apnic.net/autnum/1237",
"rel": "self",
"href": "https://krnic.rdap.apnic.net/entity/IRT-KRNIC-KR",
"type": "application/rdap+json"
}
],
"handle": "IRT-KRNIC-KR",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"IRT-KRNIC-KR"
],
[
"kind",
[],
"text",
"group"
],
[
"adr",
{
"label": "Seocho-ro 398, Seocho-gu, Seoul, Korea"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"email",
[],
"text",
"[email protected]"
],
[
"email",
{
"pref": "1"
},
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"administrative"
],
"links": [
{
"value": "https://krnic.rdap.apnic.net/autnum/1237",
"rel": "self",
"href": "https://krnic.rdap.apnic.net/entity/IH1-KR",
"type": "application/rdap+json"
}
],
"handle": "IH1-KR",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"AS Manager"
],
[
"kind",
[],
"text",
"individual"
],
[
"adr",
{
"label": "Daejeon Yuseong-gu Daehak-ro 245\nKISTI"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+82-42-869-0707"
],
[
"email",
[],
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"technical"
],
"links": [
{
"value": "https://krnic.rdap.apnic.net/autnum/1237",
"rel": "self",
"href": "https://krnic.rdap.apnic.net/entity/SK1-KR",
"type": "application/rdap+json"
}
],
"handle": "SK1-KR",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"AS Manager"
],
[
"kind",
[],
"text",
"individual"
],
[
"adr",
{
"label": "Daejeon Yuseong-gu Daehak-ro 245\nKISTI"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+82-42-869-0707"
],
[
"email",
[],
"text",
"[email protected]"
]
]
]
}
],
"handle": "AS1237",
"startAutnum": 1237,
"endAutnum": 1237,
"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.