103.168.172.51 IP 信息
IPv4APNICIP 地址 103.168.172.51，属于网段 103.168.172.0/24，由 Fastmail Pty Ltd 持有，所在自治系统为 AS151847（Fastmail），归属地为美国 New Jersey Raritan。
IP 注册信息
| IP 地址 | 103.168.172.51 |
|---|---|
| 归属地 | 美国 New Jersey Raritan |
| 网段 | 103.168.172.0/24 |
| 地址范围 | 103.168.172.0 - 103.168.172.255 |
| 网络名称 | FASTMAILPTYLTD-AU 103.168.172.0 - 103.168.172.255 |
| 持有组织 | Fastmail Pty Ltd |
| ASN | AS151847 Fastmail |
| 注册国家 | AU |
| 滥用举报 | abuse@fastmail.com |
| 分配时间 | |
| 更新时间 |
IP 归属地来自离线数据库，为估算结果；Anycast 地址（如公共 DNS）在全球多地都有节点，定位仅供参考。
数据来源：RDAP · rdap.apnic.net · 获取于
原始数据（RDAP）
注册局 / RIR · rdap.apnic.net
{
"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/103.168.172.51",
"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/103.168.172.51",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "AU",
"name": "FASTMAILPTYLTD-AU",
"status": [
"active"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2021-11-01T01:30:57Z"
},
{
"eventAction": "last changed",
"eventDate": "2024-12-18T23:06:48Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/103.168.172.51",
"rel": "self",
"href": "https://rdap.apnic.net/ip/103.168.172.0/24",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"Fastmail Pty Ltd t/a Fastmail"
],
"title": "description"
},
{
"description": [
"--------------------------------------------------------",
"To report network abuse, please contact mnt-irt",
"For troubleshooting, please contact tech-c and admin-c",
"Report invalid contact via www.apnic.net/invalidcontact",
"--------------------------------------------------------"
],
"title": "remarks"
}
],
"entities": [
{
"roles": [
"technical",
"administrative"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2021-06-21T02:31:26Z"
},
{
"eventAction": "last changed",
"eventDate": "2021-06-21T02:31:27Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/103.168.172.51",
"rel": "self",
"href": "https://rdap.apnic.net/entity/FPLA12-AP",
"type": "application/rdap+json"
}
],
"handle": "FPLA12-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Fastmail Pty Ltd administrator"
],
[
"kind",
{},
"text",
"group"
],
[
"adr",
{
"label": "Level 2, 114 William Street, Melbourne Victoria 3000"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+61457416436"
],
[
"email",
{},
"text",
"abuse@fastmail.com"
]
]
]
},
{
"roles": [
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2021-06-21T02:31:27Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-05-12T13:15:13Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/103.168.172.51",
"rel": "self",
"href": "https://rdap.apnic.net/entity/IRT-FASTMAILPTYLTD-AU",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"abuse@fastmail.com was validated on 2026-05-12"
],
"title": "remarks"
}
],
"handle": "IRT-FASTMAILPTYLTD-AU",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"IRT-FASTMAILPTYLTD-AU"
],
[
"kind",
{},
"text",
"group"
],
[
"adr",
{
"label": "Level 2, 114 William Street, Melbourne Victoria 3000"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"email",
{},
"text",
"abuse@fastmail.com"
],
[
"email",
{
"pref": "1"
},
"text",
"abuse@fastmail.com"
]
]
]
},
{
"roles": [
"registrant"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2021-06-03T12:58:50Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-10-12T13:03:35Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/103.168.172.51",
"rel": "self",
"href": "https://rdap.apnic.net/entity/ORG-FA47-AP",
"type": "application/rdap+json"
}
],
"handle": "ORG-FA47-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Fastmail Pty Ltd"
],
[
"kind",
{},
"text",
"org"
],
[
"adr",
{
"label": "Level 2, 114 William Street"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+61457416436"
],
[
"email",
{},
"text",
"apnic@role.fastmailteam.com"
]
]
]
}
],
"handle": "103.168.172.0 - 103.168.172.255",
"type": "ASSIGNED PORTABLE",
"startAddress": "103.168.172.0",
"endAddress": "103.168.172.255",
"objectClassName": "ip network",
"ipVersion": "v4",
"cidr0_cidrs": [
{
"v4prefix": "103.168.172.0",
"length": 24
}
],
"port43": "whois.apnic.net"
}