2401:4220::

Ho Chi Minh City · Vietnam · SOUTH TELECOMMUNICATIONS SOFTWARE JOINT STOCK COMPANY

Registration lookup IPv6 address formats

Autonomous system: AS151855
Country: VN
Risk score: Not a probability

IP address summary

IP address: 2401:4220::
ASN: AS151855
Network operator: SOUTH TELECOMMUNICATIONS SOFTWARE JOINT STOCK COMPANY
ISP: SOUTH TELECOMMUNICATIONS SOFTWARE JOINT STOCK COMPANY
Containing network profile: No indexed aggregate
Operator category: Home ISP

The containing profile is the nearest published aggregate. It is not a registry allocation or BGP ownership record.

Public ASN reference

Reference ASN: AS151855
Source label: SOUTH-VN - SOUTH TELECOMMUNICATIONS SOFTWARE JOINT STOCK COMPANY
Reference interval: 2401:4220:: to 2401:4220:2:ffff:ffff:ffff:ffff:ffff
Collected: 2026-11-02

IPtoASN maps this address interval to AS151855. An interval is not necessarily a BGP prefix or registered allocation. It does not establish geolocation or ownership.

IPtoASN source Reference methodology

IP geolocation

World map with country boundaries — Approximate network location; not a device positionNatural Earth map data

Country: Vietnam
City: Ho Chi Minh City
Region: Ho Chi Minh City (HCMC)
Postal code: Not supplied
Timezone: Asia/Ho_Chi_Minh
Local time: 2026-11-03 11:50:28
Approximate coordinates: 10.837, 106.621

Network-level coordinates do not identify a precise user or device location. How geolocation works

VPN, proxy and network signals

VPNNot listed

ProxyNot listed

TorNot classified

HostingNot classified

MobileNot classified

Risk score: 0

A low score is not proof that an address is safe.

Read exact field definitions

ASN and network operator

AS151855 profile

Organization: SOUTH TELECOMMUNICATIONS SOFTWARE JOINT STOCK COMPANY
ASN domain: southtelecom.vn
Operator type: Home ISP

The ASN organization can differ from the organization using an individual address.

Network registration

Matching record range: 2401:4220::/48
Registered network name: SOUTH-VN
Registered network block: 2401:4220::/48
Registration source: APNIC WHOIS
Company: SOUTH TELECOMMUNICATIONS SOFTWARE JOINT STOCK COMPANY
Usage type: residential
Company website: southtelecom.vn

Registration and company fields describe this source record. They can differ from the ASN operator and from live routing announcements.

Abuse contact

Contact name: Hoang Manh Cuong
Published contact network: 2401:4220::/48
Abuse email: hm-changed@vnnic.vn
Phone: +84-24-35564944
Postal address: Ha Noi, VietNam
Contact country: Vietnam

This contact is attached to the network record. Include the source IP, UTC timestamps and relevant logs when reporting abuse.

Actual API response

Open JSON

2401:4220:: · live response

{
  "ip": "2401:4220::",
  "isp": {
    "asn": "AS151855",
    "org": "SOUTH TELECOMMUNICATIONS SOFTWARE JOINT STOCK COMPANY",
    "isp": "SOUTH TELECOMMUNICATIONS SOFTWARE JOINT STOCK COMPANY"
  },
  "location": {
    "country": "Vietnam",
    "country_code": "VN",
    "city": "Ho Chi Minh City",
    "state": "Ho Chi Minh City (HCMC)",
    "zipcode": "",
    "latitude": 10.837271599813336,
    "longitude": 106.62081200912814,
    "timezone": "Asia/Ho_Chi_Minh",
    "localtime": "2026-11-03T11:50:28"
  },
  "risk": {
    "is_mobile": false,
    "is_vpn": false,
    "is_tor": false,
    "is_proxy": false,
    "is_datacenter": false,
    "risk_score": 0
  }
}