Vietnam Internet Network Information Center

Vietnam Internet Network Information Center (VNNIC)
Data as of 2026-09-27
BGP inherited
This organisation
Netblocks2 · 512 IPv4 addresses
IPv6 1 prefix (largest 2001:df6:4a40::/48)
Also registered under this name 124 netblocks across 21 separate records
Record ID245983088
RegistryAPNIC
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 4 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (2)

⬇ export CSV
CIDR Org name Registry Status Confidence
138.252.152.0/23 Vietnam Internet Network Information Center (VNNIC) APNIC ASSIGNED PORTABLE ● medium
2001:df6:4a40::/48 ATZCORP-VN APNIC ASSIGNED PORTABLE ● medium

IPv6 ranges (1)

Footprint over time

14 weekly snapshots · JSON
124 +29 netblocks since 2026-07-05
2026-07-05 peak 124 2026-09-27

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (2 of 2)
Possible discrepancies (2)

These blocks are registered to Vietnam Internet Network Information Center (VNNIC) but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:df6:4a40::/48 /48 authorized for AS154350 — ATZ CORP JOINT STOCK COMPANY
138.252.152.0/23 /23 authorized for AS154350 — ATZ CORP JOINT STOCK COMPANY

NIC Handles

MAINT-VN-VNNIC NTN22-AP ORG-VINI1-AP TXT10-AP