PTO-KHCN-VN

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks6 · 2,560 IPv4 addresses
IPv6 3 prefixes (largest 2001:df0:6480::/48)
Cluster ID213264902
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 3 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

5 weekly snapshots · JSON
9 0 netblocks since 2026-07-05
2026-07-05 peak 9 2026-07-19

IP Ranges (6)

⬇ export CSV
CIDR Org name Registry Status Confidence
103.211.212.0/22 PTO-KHCN-VN APNIC ASSIGNED PORTABLE ● low
103.228.20.0/22 PTO-KHCN-VN APNIC ALLOCATED PORTABLE ● low
160.187.84.0/23 PTO-KHCN-VN APNIC ASSIGNED PORTABLE ● low
2001:df0:6480::/48 PTO-KHCN-VN APNIC ASSIGNED PORTABLE ● low
2001:df0:8380::/48 PTO-KHCN-VN APNIC ASSIGNED PORTABLE ● low
2001:df4:47c0::/48 PTO-KHCN-VN APNIC ASSIGNED PORTABLE ● low

IPv6 ranges (3)

CIDR
2001:df0:6480::/48
2001:df0:8380::/48
2001:df4:47c0::/48

Network trust

what's this?
RPKI hygiene: C how networks compare →
66.7% of checked blocks have valid RPKI ROA coverage (4 of 6)
Possible discrepancies (4)

These blocks are registered to PTO-KHCN-VN but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:df0:6480::/48 /48 authorized for AS63752 — Department of Science and Technology of Phu Tho province
2001:df0:8380::/48 /48 authorized for AS131401 — Department of Science and Technology of Vinh Phuc province
103.228.20.0/22 /22 authorized for AS131401 — Department of Science and Technology of Vinh Phuc province
103.211.212.0/22 /22 authorized for AS63752 — Department of Science and Technology of Phu Tho province

NIC Handles

MAINT-VN-VNNIC TDL11-AP VMH4-AP