asn.dev

Autonomous system

AS23668 KPU-AS-KR-KR - TECH UNIVERSITY OF KOREA

Unclassified ARIN

IPv4 addresses 5.63K 9 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly KR
Exchanges 0 recorded by PCH
Upstreams 2 0 downstream
Flagged prefixes 0 none

Summary

Tech University of Korea

Korea, Republic of · AI-generated

education university korea

The AS handle KPU-AS-KR is held by Tech University of Korea.

What it's used for

  • The address space is registered under the netname KREN-KR with registrant IRT-KRNIC-KR, indicating allocation through the Korea Internet & Security Agency.
  • The AS announces 5632 IPv4 addresses across 9 prefixes and maintains 2 observed neighbours, a ratio consistent with an institutional access network rather than a transit provider.

Notable

  • All observed prefixes share the same registrant IRT-KRNIC-KR and netname KREN-KR, aligning with the registry holder identity.
  • The operator was formerly known as Korea Polytechnic University before being renamed Tech University of Korea in 2022.
  • The inventory consists of nine IPv4 prefixes with no IPv6 announcements, reflecting a traditional IPv4-only campus infrastructure.

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

2 upstream, 0 downstream and 2 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS9318SK Broadband Co Ltd1,209
AS4766Korea Telecom367

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-11-02, 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 9 prefixes · 5.63K addresses IPv6 0 prefixes

CountryNamePrefixes
KRKorea, Republic of9

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS23668
Registry name
KPU-AS-KR-KR
Abuse contact
hostmaster@nic.or.kr
Registered
2003-03-12
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 26 with no ROA
ROAs
0 authorising AS23668
ASPA
no ASPA record
IRR
100% registered · 26 of 26 announcements
Route objects
26 naming AS23668

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: 448 networks and 1,851 prefixes, as published 2026-11-03. 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