asn.dev

Autonomous system

AS45542 VNU-AS-VN VietNam National University Ha Noi

Unclassified ARIN

IPv4 addresses 4.10K 6 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly VN
Exchanges 0 recorded by PCH
Upstreams 1 0 downstream
Flagged prefixes 0 none

Summary

Vietnam National University, Hanoi

Viet Nam · AI-generated

education university vietnam

VNU-AS-VN is operated by Vietnam National University, Hanoi.

What it's used for

  • The address space carries university infrastructure, identified by the netname VNU-VN across all announced prefixes.
  • The AS announces 4096 IPv4 addresses across 6 prefixes with 1 observed neighbour, indicating a small, self-contained educational network rather than a transit provider.
  • Traffic consists of academic research, administrative services, and student access within the university campus.

Notable

  • All registrants are IRT-VNNIC-AP with the netname VNU-VN, consistent with the announcer's identity as a national university.
  • The inventory is composed of a single /21 block and five /24 blocks, all within the 112.137.128.0/21 range, reflecting a compact and contiguous allocation.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.

Interconnection

Peering at a glance

Full topology · Graph

Internet exchanges

No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.

Transit providers

1 upstream, 0 downstream and 1 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS24173Netnam Company868

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-19, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 6 prefixes · 4.10K addresses IPv6 0 prefixes

CountryNamePrefixes
VNViet Nam6

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS45542
Registry name
VNU-AS-VN
Abuse contact
hm-changed@vnnic.vn
Registered
2009-02-24
Last changed
2023-04-18
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 14 valid, 0 with no ROA
ROAs
1 authorising AS45542
ASPA
no ASPA record
IRR
100% registered · 14 of 14 announcements
Route objects
77 naming AS45542

Reputation

Classification and threat

Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.

Spamhaus DROP

Not on ASN-DROP The network as a whole is not listed.

No DROP prefixes None of its announced space is on the DROP prefix list.

Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 442 networks and 1,778 prefixes, as published 2026-10-20. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.

FBI IC3

No IC3 indicators Nothing from the FBI IC3 feed.

IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.

Elsewhere

Cross-check