Whois & RDAP Lookup

V.PS Cloud KVM VPS for developers KVM VPS · 11 PoPs · 99.9% SLA Simple VPS, premium network · Pick a PoP, deploy in seconds 11 PoPs · APAC, Europe, North America Tier 1 upstreams Premium network · Low-latency routes Free 24×7 support 6.95/mo Deploy a serverDeploy

204.51.36.127

IP Geolocation RDAP
IP Range0.0.0.0 - 255.255.255.255
Handle0.0.0.0 - 255.255.255.255
NameIANA-BLOCK
TypeALLOCATED PORTABLE
CountryID
Registered2019-08-20 06:28 UTC
Updated2018-10-23 03:07 UTC
Admin ContactID-NIC ADMINISTRATORS
AddressIndonesian Network Information Center, ID-NIC, Cyber Building 11th Floor, Jakarta 12710
Tech ContactID-NIC HOSTMASTERS
AddressIndonesian Network Information Center, ID-NIC, Cyber Building 11th Floor, Jakarta 12710
Abuse Contact[email protected]
Statusactive
Registry RDAPhttps://rdap.arin.net
RIVEN CLOUD Asia-Pacific cloud servers APAC cloud servers China-optimized routes · Direct to Tokyo & Singapore China Telecom CN2 GIA · CTGNet China Unicom AS9929 · AS10099 China Mobile CMIN2 · AS58807 AMD Ryzen 9950X · Daily backup $49/mo Get started

Raw WHOIS response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


NetRange:       204.51.0.0 - 204.51.63.255
CIDR:           204.51.0.0/18
NetName:        APNIC
NetHandle:      NET-204-51-0-0-1
Parent:         NET204 (NET-204-0-0-0-0)
NetType:        Early Registrations, Transferred to APNIC
OriginAS:       
Organization:   Asia Pacific Network Information Centre (APNIC)
RegDate:        2025-12-22
Updated:        2025-12-22
Ref:            https://rdap.arin.net/registry/ip/204.51.0.0

ResourceLink:  https://apps.db.ripe.net/db-web-ui/query
ResourceLink:  whois://whois.apnic.net


OrgName:        Asia Pacific Network Information Centre
OrgId:          APNIC
Address:        PO Box 3646
City:           South Brisbane
StateProv:      QLD
PostalCode:     4101
Country:        AU
RegDate:        
Updated:        2012-01-24
Ref:            https://rdap.arin.net/registry/entity/APNIC

ReferralServer:  whois://whois.apnic.net
ResourceLink:  http://wq.apnic.net/whois-search/static/search.html

OrgTechHandle: AWC12-ARIN
OrgTechName:   APNIC Whois Contact
OrgTechPhone:  +61 7 3858 3188 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/AWC12-ARIN

OrgAbuseHandle: AWC12-ARIN
OrgAbuseName:   APNIC Whois Contact
OrgAbusePhone:  +61 7 3858 3188 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AWC12-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to '204.51.0.0 - 204.51.63.255'

% Abuse contact for '204.51.0.0 - 204.51.63.255' is '[email protected]'

inetnum:        204.51.0.0 - 204.51.63.255
netname:        IDNIC-VIBERLINK-ID
descr:          Internet Rakyat
descr:          PT Telemedia Komunikasi Pratama
descr:          Corporate / Direct Member IDNIC
descr:          Ruko CBP Galuh Blok D No 6C
descr:          Sukaharja, Kec. Telukjambe Timur, Kab.Karawang,Jawa Barat
admin-c:        NP399-AP
tech-c:         NP399-AP
country:        ID
mnt-by:         MNT-APJII-ID
mnt-irt:        IRT-VIBERLINK-ID
mnt-routes:     MAINT-ID-VIBERLINK
mnt-lower:      MAINT-ID-VIBERLINK
remarks:        Send spam & abuse report to: [email protected]
status:         ALLOCATED PORTABLE
last-modified:  2026-01-27T07:56:55Z
source:         APNIC

irt:            IRT-VIBERLINK-ID
address:        PT TELEMEDIA KOMUNIKASI PRATAMA
address:        Ruko CBP Galuh Blok D No 6C
address:        Sukaharja, Kec. Telukjambe Timur
address:        Kab.Karawang, Jawa Barat
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        NP399-AP
tech-c:         NP399-AP
auth:           # Filtered
mnt-by:         MAINT-ID-VIBERLINK
last-modified:  2026-03-09T15:39:28Z
source:         APNIC

person:         Nendi Purnomo
address:        Jl. Tiang Bendera 5 No 20 Roa Malaka Kec. Tambora kota
address:        Jakarta Barat, DKI Jakarta, 11230
country:        ID
phone:          +62 812-8122-2719
e-mail:         [email protected]
nic-hdl:        NP399-AP
mnt-by:         MNT-APJII-ID
last-modified:  2026-01-27T07:50:27Z
source:         APNIC

% Information related to '204.51.0.0/18AS142319'

route:          204.51.0.0/18
descr:          Route object for 204.51.0.0/18
country:        ID
origin:         AS142319
mnt-lower:      MAINT-ID-VIBERLINK
mnt-routes:     MAINT-ID-VIBERLINK
mnt-by:         MNT-APJII-ID
last-modified:  2026-01-21T15:38:03Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-JP1)

% Query time: 891 msec
% WHEN: Mon Sep 14 22:43:14 UTC 2026
Raw RDAP JSON (registry) https://rdap.arin.net
{
  "cidr0_cidrs": [
    {
      "length": 0,
      "v4prefix": "0.0.0.0"
    }
  ],
  "country": "ID",
  "endAddress": "255.255.255.255",
  "entities": [
    {
      "events": [
        {
          "eventAction": "registration",
          "eventDate": "2019-08-20T06:24:50Z"
        },
        {
          "eventAction": "last changed",
          "eventDate": "2024-07-10T05:48:59Z"
        }
      ],
      "handle": "IH123-AP",
      "links": [
        {
          "href": "https://idnic.rdap.apnic.net/entity/IH123-AP",
          "rel": "self",
          "type": "application/rdap+json",
          "value": "https://idnic.rdap.apnic.net/ip/204.51.36.127"
        }
      ],
      "objectClassName": "entity",
      "remarks": [
        {
          "description": [
            "spam and abuse report : [email protected]",
            "technical and routing : [email protected]",
            "administrative request : [email protected]",
            "IDNIC hostmasters role object"
          ],
          "title": "remarks"
        }
      ],
      "roles": [
        "technical"
      ],
      "vcardArray": [
        "vcard",
        [
          [
            "version",
            {},
            "text",
            "4.0"
          ],
          [
            "fn",
            {},
            "text",
            "ID-NIC HOSTMASTERS"
          ],
          [
            "kind",
            {},
            "text",
            "group"
          ],
          [
            "adr",
            {
              "label": "Indonesian Network Information Center\nID-NIC\nCyber Building 11th Floor\nJakarta 12710"
            },
            "text",
            [
              "",
              "",
              "",
              "",
              "",
              "",
              ""
            ]
          ],
          [
            "tel",
            {
              "type": "voice"
            },
            "text",
            "+62-21-52960634"
          ],
          [
            "tel",
            {
              "type": "fax"
            },
            "text",
            "+62-21-52960635"
          ],
          [
            "email",
            {},
            "text",
            "[email protected]"
          ]
        ]
      ]
    },
    {
      "events": [
        {
          "eventAction": "registration",
          "eventDate": "2019-08-20T06:24:51Z"
        },
        {
          "eventAction": "last changed",
          "eventDate": "2024-12-29T14:21:38Z"
        }
      ],
      "handle": "IRT-IDNIC-ID",
      "links": [
        {
          "href": "https://idnic.rdap.apnic.net/entity/IRT-IDNIC-ID",
          "rel": "self",
          "type": "application/rdap+json",
          "value": "https://idnic.rdap.apnic.net/ip/204.51.36.127"
        }
      ],
      "objectClassName": "entity",
      "roles": [
        "abuse"
      ],
      "vcardArray": [
        "vcard",
        [
          [
            "version",
            {},
            "text",
            "4.0"
          ],
          [
            "fn",
            {},
            "text",
            "IRT-IDNIC-ID"
          ],
          [
            "kind",
            {},
            "text",
            "group"
          ],
          [
            "adr",
            {
              "label": "Kuningan Barat Gedung Cyber\nCyber Building\nJl. Kuningan Barat No.8\nJakarta Selatan 12710"
            },
            "text",
            [
              "",
              "",
              "",
              "",
              "",
              "",
              ""
            ]
          ],
          [
            "email",
            {},
            "text",
            "[email protected]"
          ],
          [
            "email",
            {
              "pref": "1"
            },
            "text",
            "[email protected]"
          ]
        ]
      ]
    },
    {
      "events": [
        {
          "eventAction": "registration",
          "eventDate": "2019-08-20T06:24:50Z"
        },
        {
          "eventAction": "last changed",
          "eventDate": "2026-02-25T04:06:45Z"
        }
      ],
      "handle": "IA55-AP",
      "links": [
        {
          "href": "https://idnic.rdap.apnic.net/entity/IA55-AP",
          "rel": "self",
          "type": "application/rdap+json",
          "value": "https://idnic.rdap.apnic.net/ip/204.51.36.127"
        }
      ],
      "objectClassName": "entity",
      "roles": [
        "administrative"
      ],
      "vcardArray": [
        "vcard",
        [
          [
            "version",
            {},
            "text",
            "4.0"
          ],
          [
            "fn",
            {},
            "text",
            "ID-NIC ADMINISTRATORS"
          ],
          [
            "kind",
            {},
            "text",
            "group"
          ],
          [
            "adr",
            {
              "label": "Indonesian Network Information Center\nID-NIC\nCyber Building 11th Floor\nJakarta 12710"
            },
            "text",
            [
              "",
              "",
              "",
              "",
              "",
              "",
              ""
            ]
          ],
          [
            "tel",
            {
              "type": "voice"
            },
            "text",
            "+62-21-52960634"
          ],
          [
            "tel",
            {
              "type": "fax"
            },
            "text",
            "+62-21-52960635"
          ],
          [
            "email",
            {},
            "text",
            "[email protected]"
          ]
        ]
      ]
    }
  ],
  "events": [
    {
      "eventAction": "registration",
      "eventDate": "2019-08-20T06:28:56Z"
    },
    {
      "eventAction": "last changed",
      "eventDate": "2018-10-23T03:07:27Z"
    }
  ],
  "handle": "0.0.0.0 - 255.255.255.255",
  "ipVersion": "v4",
  "links": [
    {
      "href": "https://idnic.rdap.apnic.net/ip/0.0.0.0/0",
      "rel": "self",
      "type": "application/rdap+json",
      "value": "https://idnic.rdap.apnic.net/ip/204.51.36.127"
    }
  ],
  "name": "IANA-BLOCK",
  "notices": [
    {
      "description": [
        "Objects returned came from source",
        "IDNIC"
      ],
      "title": "Source"
    },
    {
      "description": [
        "This is the APNIC WHOIS Database query service. The objects are in RDAP format.",
        "This information has been partially mirrored by APNIC from IDNIC."
      ],
      "links": [
        {
          "href": "http://www.apnic.net/db/dbcopyright.html",
          "rel": "terms-of-service",
          "type": "text/html",
          "value": "https://idnic.rdap.apnic.net/ip/204.51.36.127"
        }
      ],
      "title": "Terms and Conditions"
    },
    {
      "description": [
        "If you see inaccuracies in the results, please visit: "
      ],
      "links": [
        {
          "href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
          "rel": "inaccuracy-report",
          "type": "text/html",
          "value": "https://idnic.rdap.apnic.net/ip/204.51.36.127"
        }
      ],
      "title": "Whois Inaccuracy Reporting"
    }
  ],
  "objectClassName": "ip network",
  "port43": "whois.apnic.net",
  "rdapConformance": [
    "nro_rdap_profile_0",
    "cidr0",
    "rdap_level_0"
  ],
  "remarks": [
    {
      "description": [
        "General placeholder reference for all IPv4 addresses"
      ],
      "title": "description"
    },
    {
      "description": [
        "------------------------------------------------------",
        "",
        "Important:",
        "",
        "This registration object does not contain",
        "specific registration details.",
        "",
        "This registration object is used only as a",
        "general placeholder for all IPv4 addresses",
        "and may include:",
        "",
        "- reserved address ranges",
        "- private use ranges",
        "- multicast ranges",
        "- address ranges administered by RIRs (Regional",
        "Internet Registries)",
        "",
        "If your query does not return an address range",
        "more specific than 0.0.0.0 - 255.255.255.255, it",
        "means the address is not administered by any RIR.",
        "For more specific information on the use of this",
        "IPv4 address space, see the Internet Assigned",
        "Numbers Authority (IANA) website at:",
        "",
        "http://www.iana.org",
        "",
        "------------------------------------------------------"
      ],
      "title": "remarks"
    }
  ],
  "startAddress": "0.0.0.0",
  "status": [
    "active"
  ],
  "type": "ALLOCATED PORTABLE"
}

Frequently asked questions

What is WHOIS?

WHOIS is a public directory that answers "who is responsible for this?" for domains, IP ranges and ASNs. It lists registration dates, the registrar, nameservers and contacts.

What is RDAP, and how does it differ?

RDAP is the modern replacement for WHOIS. It returns the same records in a structured, consistent format. We query RDAP first and fall back to classic WHOIS text when a registry has not adopted it yet.

What is the difference between a registrar and a registrant?

The registrar is the company you register and manage a domain through, such as xTom or GoDaddy. The registrant is the person or organization that actually holds the domain.

What are nameservers?

Nameservers answer DNS questions for a domain and decide which IP addresses the name resolves to. They also show which DNS provider the domain uses.

What is DNSSEC?

DNSSEC adds cryptographic signatures to DNS answers so they cannot be quietly altered in transit. "Signed" means the domain has it enabled, "unsigned" means it does not.

Why is the contact information redacted?

Privacy laws such as GDPR require registrars to hide most personal details in public records. The abuse contact is usually still shown, so a domain or network can be reported when something goes wrong.