DNSRegistration lookup
THE INTERNET, ON RECORD

Domain, IP & ASN lookup.

Explore domains, TLDs, networks and the organizations behind them.

IPV4

43.243.72.0

Record found
Retrieved · 03 Oct 2026, 18:56 UTC1 sourceView JSON
BGP / routing →Reverse DNS →
Click a domain or IP to look it up.
01

Registry record

RDAPhttps://rdap.apnic.net/ip/43.243.72.0
Record found
Record ID
43.243.72.0 - 43.243.72.31
Network name
SUN-HK
Address range
43.243.72.0 — 43.243.72.31
CIDR blocks
43.243.72.0/27
Network type
ALLOCATED NON-PORTABLE
Country in registry
HK
Registered
2015-04-05T12:02:03Z
Last changed
2021-06-16T13:03:36Z
Status
active
Notices & terms 4

Source

Objects returned came from source APNIC

Terms and Conditions

This is the APNIC WHOIS Database query service. The objects are in RDAP format. http://www.apnic.net/db/dbcopyright.html

Whois Inaccuracy Reporting

If you see inaccuracies in the results, please visit: https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form

description

Sun Network (Hong Kong) Limited Internet Service Provider in Hong Kong

Organizations & contacts

2
Technical · Administrative
DNS Administrator
DA179-AP
Type
individual
Address
SHA TIN
Phone (voice)
+852-2135-9374
Email
SUN-HK@WORLDMAILHK.COM

Registry · rdap.apnic.net

Abuse
IRT-SUN-HK
Type
group
Address
MEGA-II IDC
Email
SUN-HK@WORLDMAILHK.COM
remarks
sun-hk@worldmailhk.com was validated on 2026-05-26

Registry · rdap.apnic.net

Route / route6 records IRR

whois.apnic.net:43

BGP observations →

Exact and covering objects from APNIC. These are registered routing policies; they do not confirm a live announcement.

Origin
AS13335
Source
APNIC

FE Studio Limited Flat 13, 4/F Trans Asia Ctr 18 Kin Hong St

Routing object details
route: 43.243.72.0/22
origin: AS13335
descr: FE Studio Limited
Flat 13, 4/F Trans Asia Ctr
18 Kin Hong St
mnt-by: MAINT-FES-HK
last-modified: 2026-03-11T07:20:07Z
source: APNIC
Origin
AS152194
Source
APNIC

FE Studio Limited Flat 13, 4/F Trans Asia Ctr 18 Kin Hong St

Routing object details
route: 43.243.72.0/22
origin: AS152194
descr: FE Studio Limited
Flat 13, 4/F Trans Asia Ctr
18 Kin Hong St
mnt-by: MAINT-FES-HK
last-modified: 2025-12-15T10:11:09Z
source: APNIC
Origin
AS13335
Source
APNIC

FE Studio Limited Flat 13, 4/F Trans Asia Ctr 18 Kin Hong St

Routing object details
route: 43.243.72.0/23
origin: AS13335
descr: FE Studio Limited
Flat 13, 4/F Trans Asia Ctr
18 Kin Hong St
mnt-by: MAINT-FES-HK
last-modified: 2026-03-11T07:20:08Z
source: APNIC
Origin
AS13335
Source
APNIC

FE Studio Limited Flat 13, 4/F Trans Asia Ctr 18 Kin Hong St

Routing object details
route: 43.243.72.0/24
origin: AS13335
descr: FE Studio Limited
Flat 13, 4/F Trans Asia Ctr
18 Kin Hong St
mnt-by: MAINT-FES-HK
last-modified: 2026-03-11T07:20:10Z
source: APNIC
Origin
AS152194
Source
APNIC

FE Studio Limited Flat 13, 4/F Trans Asia Ctr 18 Kin Hong St

Routing object details
route: 43.243.72.0/24
origin: AS152194
descr: FE Studio Limited
Flat 13, 4/F Trans Asia Ctr
18 Kin Hong St
mnt-by: MAINT-FES-HK
last-modified: 2025-12-15T10:11:10Z
source: APNIC
Registry · RDAP Original response
https://rdap.apnic.net/ip/43.243.72.0
{
    "rdapConformance": [
        "history_version_0",
        "nro_rdap_profile_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/ip/43.243.72.0",
                    "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/ip/43.243.72.0",
                    "rel": "inaccuracy-report",
                    "href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
                    "type": "text/html"
                }
            ]
        }
    ],
    "country": "HK",
    "name": "SUN-HK",
    "status": [
        "active"
    ],
    "events": [
        {
            "eventAction": "registration",
            "eventDate": "2015-04-05T12:02:03Z"
        },
        {
            "eventAction": "last changed",
            "eventDate": "2021-06-16T13:03:36Z"
        }
    ],
    "links": [
        {
            "value": "https://rdap.apnic.net/ip/43.243.72.0",
            "rel": "self",
            "href": "https://rdap.apnic.net/ip/43.243.72.0/27",
            "type": "application/rdap+json"
        }
    ],
    "remarks": [
        {
            "description": [
                "Sun Network (Hong Kong) Limited",
                "Internet Service Provider in Hong Kong"
            ],
            "title": "description"
        }
    ],
    "entities": [
        {
            "roles": [
                "abuse"
            ],
            "events": [
                {
                    "eventAction": "registration",
                    "eventDate": "2010-12-04T11:39:51Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2026-05-30T09:17:40Z"
                }
            ],
            "links": [
                {
                    "value": "https://rdap.apnic.net/ip/43.243.72.0",
                    "rel": "self",
                    "href": "https://rdap.apnic.net/entity/IRT-SUN-HK",
                    "type": "application/rdap+json"
                }
            ],
            "remarks": [
                {
                    "description": [
                        "sun-hk@worldmailhk.com was validated on 2026-05-26"
                    ],
                    "title": "remarks"
                }
            ],
            "handle": "IRT-SUN-HK",
            "objectClassName": "entity",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "IRT-SUN-HK"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "group"
                    ],
                    [
                        "adr",
                        {
                            "label": "MEGA-II IDC"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "SUN-HK@WORLDMAILHK.COM"
                    ],
                    [
                        "email",
                        {
                            "pref": "1"
                        },
                        "text",
                        "SUN-HK@WORLDMAILHK.COM"
                    ]
                ]
            ]
        },
        {
            "roles": [
                "technical",
                "administrative"
            ],
            "events": [
                {
                    "eventAction": "registration",
                    "eventDate": "2008-09-04T07:45:34Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2024-07-12T04:45:31Z"
                }
            ],
            "links": [
                {
                    "value": "https://rdap.apnic.net/ip/43.243.72.0",
                    "rel": "self",
                    "href": "https://rdap.apnic.net/entity/DA179-AP",
                    "type": "application/rdap+json"
                }
            ],
            "handle": "DA179-AP",
            "objectClassName": "entity",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "DNS Administrator"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "individual"
                    ],
                    [
                        "adr",
                        {
                            "label": "SHA TIN"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "tel",
                        {
                            "type": "voice"
                        },
                        "text",
                        "+852-2135-9374"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "SUN-HK@WORLDMAILHK.COM"
                    ],
                    [
                        "email",
                        {
                            "pref": "1"
                        },
                        "text",
                        "SUN-HK@WORLDMAILHK.COM"
                    ]
                ]
            ]
        }
    ],
    "handle": "43.243.72.0 - 43.243.72.31",
    "type": "ALLOCATED NON-PORTABLE",
    "startAddress": "43.243.72.0",
    "endAddress": "43.243.72.31",
    "objectClassName": "ip network",
    "ipVersion": "v4",
    "cidr0_cidrs": [
        {
            "v4prefix": "43.243.72.0",
            "length": 27
        }
    ],
    "port43": "whois.apnic.net"
}