asn.dev

Autonomous system

AS4274 ERX-AU-NET Assumption University

Education APNIC

IPv4 addresses 66.56K 18 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly TH
Exchanges 0 recorded by PCH
Upstreams 1 0 downstream
Flagged prefixes 0 none

Summary

Assumption University

Thailand · AI-generated

education university legacy

ERX-AU-NET belongs to Assumption University, a private university in Bangkok, Thailand — widely known by its older name, ABAC. The AS number was originally registered through ARIN and later moved to APNIC as part of the Early Registration Transfer project, which is why the record still carries the ERX- prefix.

What it's used for

  • Campus connectivity for the university's Bangkok-area campuses — student and staff networks, labs, and university-run online services.

Notable

  • An institutional network rather than a commercial one: the addresses here belong to a single university, not to paying subscribers.
  • The holding is unusually large for a single university, on the order of tens of thousands of IPv4 addresses, reflecting an era when address space was handed out generously.

Interesting

  • The ERX- naming is a fossil of internet governance history. Registrations predating APNIC's authority over the region originally sat with ARIN and were bulk-transferred to the regional registry, leaving the marker in the object name.

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
AS7470TRUE INTERNET Co.,Ltd.6,372

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-11, 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 18 prefixes · 66.56K addresses IPv6 0 prefixes

CountryNamePrefixes
THThailand18

Registry

Allocation record

APNIC · via Atlas (registry + RDAP)
Registry
APNIC
Handle
AS4274
Registry name
ERX-AU-NET
Registered
2008-09-04
Last changed
2008-09-04
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 108 with no ROA
ROAs
0 authorising AS4274
ASPA
no ASPA record
IRR
100% registered · 108 of 108 announcements
Route objects
993 naming AS4274

Reputation

Classification and threat

Education University, school or national research and education network.

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: 431 networks and 1,768 prefixes, as published 2026-10-12. 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