Telecom Tower & Network Infrastructure Offerings Across India [email protected]
Home About
Services
Blog
Network tools
Contact Get a Quote
Free network tools

AS WHOIS

Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.

Your public IP address216.73.217.37 IPv4

AS2907

SINET-AS - Research Organization of Information and Systems, National Institute of Informatics Announcing routes
AS nameSINET-AS
CountryJP
Registry (RIR)APNIC
HandleAS2907
RangeAS2907
Registered—
Last changed29 Nov 2008
Abuse contact[email protected]
605IPv4 prefixes
2IPv6 prefixes
16Upstreams
115Downstreams

Upstreams

ASNetwork nameVisibility
AS2497IIJ - Internet Initiative Japan Inc.10534
AS6939HURRICANE - Hurricane Electric LLC2751
AS59103SOFTETHER - SoftEther Corporation654
AS20965GEANT GEANT Vereniging330
AS8220COLT COLT Technology Services Group Limited219
AS8966Etisalat-AS EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC185
AS9002RETN-AS RETN Limited140
AS2500WIDE-BB - WIDE Project135
AS7575AARNET-AS-AP - Australian Academic and Research Network (AARNet)133
AS1103SURFNET-NL SURF B.V.109
AS20485TRANSTELECOM Joint Stock Company TransTeleCom100
AS24287TEIN2-JP - National Institute of Informatics100
AS7660APAN-JP - Asia Pacific Advanced Network - Japan21
AS2516KDDI - KDDI CORPORATION16
AS11537INTERNET2-RESEARCH-EDU - Internet24

Downstreams

ASNetwork nameVisibility
AS63798IPA-ENTERNET - Industrial Cyber Security Center of Excellence892
AS151388SE-JIKKEN-AS - SoftEther Corporation (SE-JIKKEN-AS)399
AS59103SOFTETHER - SoftEther Corporation379
AS55379hosei-net - Hosei University343
AS131159AS-YAMAGATAU - Yamagata University339
AS9367ISCT - Institute of Science Tokyo338
AS11537INTERNET2-RESEARCH-EDU - Internet2244
AS63770ICSCOE-AS - Industrial Cyber Security Center of Excellence228
AS55912u-kochi - University of Kochi225
AS24287TEIN2-JP - National Institute of Informatics217
AS18087TOYO - Toyo University207
AS63785FU-NTP - Fukuoka University207
AS2506SuperCSI - NTT business Solutions corporation206
AS2501UTnet - The University of Tokyo204
AS2523ITRC-NET - Internet Technology Research Consortium204
IPv4 prefixes (605)
192.58.12.0/22163.212.0.0/16202.235.128.0/18202.237.132.0/24160.28.204.0/23150.69.0.0/16202.250.144.0/22202.245.226.0/23160.238.8.0/24202.26.144.0/20160.28.202.0/23150.22.0.0/22202.254.153.0/24203.178.36.0/22160.238.6.0/24158.208.0.0/16192.50.108.0/24160.194.0.0/16192.218.92.0/22133.73.0.0/16202.254.230.0/24202.15.16.0/20202.35.224.0/24203.181.192.0/18202.18.188.0/22202.11.138.0/24202.253.248.0/22133.10.0.0/16163.51.172.0/24202.242.192.0/22150.54.0.0/16133.46.248.0/21150.97.0.0/16192.51.194.0/23202.19.104.0/23202.19.168.0/21202.220.80.0/24133.86.0.0/16202.252.214.0/24202.240.137.0/24163.47.1.0/24192.244.254.0/24192.153.104.0/24133.54.76.0/24202.246.68.0/24202.220.62.0/23202.237.168.0/23202.240.117.0/24202.18.254.0/24160.28.214.0/23150.12.0.0/16202.251.200.0/22157.63.0.0/16157.111.0.0/20160.198.0.0/16160.238.4.0/24202.35.199.0/24133.49.0.0/16192.156.146.0/23202.19.179.0/24202.18.182.0/24202.240.13.0/24150.7.28.0/24202.210.0.0/22160.28.228.0/23202.244.240.0/20202.254.212.0/24133.14.0.0/16202.244.104.0/23202.240.224.0/24163.220.144.0/21202.25.155.0/24202.17.208.0/22157.6.0.0/16157.19.0.0/16160.238.2.0/24202.250.208.0/21133.77.0.0/16133.74.0.0/16202.17.120.0/23202.23.247.0/24202.240.78.0/23210.133.64.0/19210.146.64.0/20150.43.0.0/16192.153.95.0/24134.160.186.0/24202.236.16.0/24202.16.128.0/20202.145.18.0/23202.11.8.0/22192.50.72.0/24202.242.55.0/24160.28.216.0/23164.161.0.0/16192.58.16.0/23202.223.128.0/17133.103.0.0/16202.25.86.0/23202.19.144.0/21163.130.0.0/16202.242.231.0/24103.180.128.0/23202.220.56.0/22202.255.153.0/24150.42.0.0/16219.112.227.0/24133.89.0.0/16160.193.0.0/16202.237.6.0/23202.240.115.0/24202.245.13.0/24133.78.0.0/16202.244.62.0/24202.48.50.0/24202.18.184.0/22192.188.73.0/24133.88.224.0/24160.18.220.0/23202.26.139.0/24202.255.229.0/24202.24.52.0/24202.244.210.0/24202.24.80.0/21192.50.210.0/23202.240.9.0/24133.81.0.0/16202.250.176.0/22133.187.0.0/16202.252.246.0/24133.72.0.0/16192.50.42.0/24157.1.0.0/16202.208.25.0/24202.34.246.0/23202.242.101.0/24202.245.100.0/22202.246.106.0/23202.25.68.0/22202.244.90.0/23130.153.0.0/16163.51.174.0/24150.46.128.0/17192.156.158.0/24202.253.224.0/20160.237.192.0/18160.204.0.0/16163.209.0.0/16202.253.88.0/22202.11.104.0/21202.240.15.0/24202.236.60.0/23202.242.121.0/24210.156.32.0/19144.213.0.0/16133.62.0.0/16202.240.8.0/24160.202.0.0/21202.246.136.0/24163.51.170.0/24203.112.64.0/21202.245.2.0/23202.236.2.0/24202.18.160.0/20147.157.128.0/17163.47.2.0/23202.237.174.0/24202.237.54.0/23202.15.110.0/24163.51.167.0/24133.29.0.0/16133.94.0.0/16210.151.64.0/18163.215.0.0/16202.13.16.0/21160.238.3.0/24202.236.168.0/22160.238.10.0/24202.17.104.0/21202.236.172.0/22202.255.24.0/24192.47.204.0/24133.54.78.0/23192.51.168.0/22150.89.0.0/17133.44.0.0/16133.30.0.0/16133.83.0.0/16133.54.0.0/18202.245.165.0/24192.218.1.0/24163.220.0.0/17202.242.7.0/24202.251.184.0/21160.28.208.0/23202.245.168.0/22157.114.0.0/16192.50.212.0/24202.242.12.0/23202.35.228.0/24202.18.162.0/24202.209.0.0/16192.47.205.0/24133.86.207.0/24202.35.248.0/22160.238.20.0/24192.31.121.0/24133.54.77.0/24160.18.2.0/24150.7.250.0/24202.220.118.0/24160.190.0.0/16202.245.24.0/23160.245.112.0/24192.244.208.0/20202.25.224.0/20163.226.0.0/16192.50.30.0/23202.34.192.0/20202.245.118.0/24202.26.196.0/22160.29.0.0/16202.250.150.0/24202.254.162.0/23160.11.0.0/16210.137.0.0/16160.238.51.0/24150.46.0.0/16192.50.102.0/23192.172.236.0/24202.240.232.0/24202.26.160.0/20160.238.9.0/24163.134.0.0/16202.35.226.0/23192.50.70.0/24192.50.71.0/24192.50.28.0/24202.237.15.0/24133.17.7.0/24192.174.128.0/17202.220.0.0/22133.74.192.0/18210.1.236.0/22202.240.96.0/22202.213.24.0/23202.246.128.0/19202.245.104.0/23160.18.148.0/23160.18.100.0/24202.23.72.0/21160.28.0.0/16163.143.0.0/16163.145.0.0/16202.250.224.0/22133.86.247.0/24160.28.206.0/23202.145.16.0/22133.86.250.0/24163.51.166.0/24133.65.0.0/16202.242.21.0/24133.86.246.0/24202.220.104.0/23202.252.197.0/24202.250.120.0/21202.243.16.0/20160.28.226.0/23202.235.128.0/19202.17.182.0/24202.16.125.0/24202.240.8.0/21202.237.24.0/24203.178.44.0/24150.9.254.0/23202.236.100.0/22202.237.40.0/24150.89.160.0/20202.211.16.0/20192.50.69.0/24202.236.188.0/22202.216.78.0/24160.252.0.0/16192.156.145.0/24133.34.0.0/16202.48.112.0/21202.245.212.0/22160.238.7.0/24202.13.8.0/21160.28.224.0/23202.48.128.0/23163.51.165.0/24202.242.15.0/24202.251.140.0/24202.255.152.0/24158.215.0.0/16202.237.255.0/24202.251.88.0/22192.218.130.0/24133.39.0.0/16
IPv6 prefixes (2)

RPKI-validate all prefixes of AS2907

Contacts

RoleNameHandleEmail / phoneAddress
technical, administrativeJapan Network Information CenterJNIC1-AP[email protected], +81-3-5297-2311, +81-3-5297-2312Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda, Chiyoda-ku, Tokyo 101-0047, Japan
technical, administrativeJP00006158
abuseIRT-JPNIC-JPIRT-JPNIC-JP[email protected], [email protected], +81-3-5297-2311, +81-3-5297-2312Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda, Chiyoda-ku, Tokyo 101-0047, japan
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",
                "JPNIC"
            ]
        },
        {
            "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 JPNIC. To obtain more specific information, please use the JPNIC WHOIS Gateway at http://www.nic.ad.jp/en/db/whois/en-gateway.html or whois.nic.ad.jp for WHOIS client. (The WHOIS client defaults to Japanese output, use the /e switch for English output)"
            ],
            "links": [
                {
                    "value": "https://jpnic.rdap.apnic.net/autnum/2907",
                    "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://jpnic.rdap.apnic.net/autnum/2907",
                    "rel": "inaccuracy-report",
                    "href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
                    "type": "text/html"
                }
            ]
        }
    ],
    "country": "JP",
    "name": "SINET-AS",
    "status": [
        "active"
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2008-11-28T23:20:25Z"
        }
    ],
    "links": [
        {
            "value": "https://jpnic.rdap.apnic.net/autnum/2907",
            "rel": "self",
            "href": "https://jpnic.rdap.apnic.net/autnum/2907",
            "type": "application/rdap+json"
        }
    ],
    "remarks": [
        {
            "description": [
                "Research Organization of Information and Systems, National Institute of Informatics"
            ],
            "title": "description"
        }
    ],
    "entities": [
        {
            "roles": [
                "technical",
                "administrative"
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2022-01-05T03:04:02Z"
                }
            ],
            "links": [
                {
                    "value": "https://jpnic.rdap.apnic.net/autnum/2907",
                    "rel": "self",
                    "href": "https://jpnic.rdap.apnic.net/entity/JNIC1-AP",
                    "type": "application/rdap+json"
                }
            ],
            "handle": "JNIC1-AP",
            "objectClassName": "entity",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Japan Network Information Center"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "group"
                    ],
                    [
                        "adr",
                        {
                            "label": "Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda\nChiyoda-ku, Tokyo 101-0047, Japan"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "tel",
                        {
                            "type": "voice"
                        },
                        "text",
                        "+81-3-5297-2311"
                    ],
                    [
                        "tel",
                        {
                            "type": "fax"
                        },
                        "text",
                        "+81-3-5297-2312"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "[email protected]"
                    ]
                ]
            ]
        },
        {
            "roles": [
                "technical",
                "administrative"
            ],
            "links": [
                {
                    "value": "https://jpnic.rdap.apnic.net/autnum/2907",
                    "rel": "related",
                    "href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=JP00006158/e",
                    "type": "text/html",
                    "hreflang": "en"
                },
                {
                    "value": "https://jpnic.rdap.apnic.net/autnum/2907",
                    "rel": "related",
                    "href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=JP00006158",
                    "type": "text/html",
                    "hreflang": "jp"
                }
            ],
            "handle": "JP00006158",
            "objectClassName": "entity"
        },
        {
            "roles": [
                "abuse"
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2026-10-20T09:11:46Z"
                }
            ],
            "links": [
                {
                    "value": "https://jpnic.rdap.apnic.net/autnum/2907",
                    "rel": "self",
                    "href": "https://jpnic.rdap.apnic.net/entity/IRT-JPNIC-JP",
                    "type": "application/rdap+json"
                }
            ],
            "remarks": [
                {
                    "description": [
                        "[email protected] was validated on 2024-11-27"
                    ],
                    "title": "remarks"
                }
            ],
            "handle": "IRT-JPNIC-JP",
            "objectClassName": "entity",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "IRT-JPNIC-JP"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "group"
                    ],
                    [
                        "adr",
                        {
                            "label": "Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda\nChiyoda-ku, Tokyo 101-0047, japan"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "tel",
                        {
                            "type": "voice"
                        },
                        "text",
                        "+81-3-5297-2311"
                    ],
                    [
                        "tel",
                        {
                            "type": "fax"
                        },
                        "text",
                        "+81-3-5297-2312"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "[email protected]"
                    ],
                    [
                        "email",
                        {
                            "pref": "1"
                        },
                        "text",
                        "[email protected]"
                    ]
                ]
            ]
        }
    ],
    "handle": "AS2907",
    "startAutnum": 2907,
    "endAutnum": 2907,
    "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.

Need help with RPKI, routing security or IP management?