Autonomous system
AS4961 DISC-AS-KR Daewoo Information Systems
Unclassified ARIN
Summary
Daewoo Information Systems
enterprise legacy
DISC-AS-KR is registered to Daewoo Information Systems Co., Ltd., a Seoul-based IT services and systems integration company.
What it's used for
Daewoo Information Systems does systems integration, application development and IT operations for corporate customers. The AS carries the company's own network and the connectivity behind the systems it runs and hosts for clients, rather than consumer broadband.
Notable
The address footprint is large for a systems integrator, close to 96,000 IPv4 addresses, anchored on legacy space that predates the tight allocation policies of the modern APNIC era. Korean chaebol-affiliated IT arms picked up substantial address holdings in the 1990s when they were the group's in-house network builders, and those holdings largely persisted.
Interesting
The DISC handle is a fossil of the Daewoo Group, the conglomerate that collapsed in 1999. Several of its former subsidiaries continued independently, and the naming in the routing registry outlived the parent by decades.
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
Internet exchanges
No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-30, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 28 prefixes · 96.77K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| KR | Korea, Republic of | 28 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS4961- Registry name
- DISC-AS-KR-KR
- Abuse contact
- hostmaster@nic.or.kr
- Registered
- 2002-08-01
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 0% valid · 0 valid, 27 with no ROA
- ROAs
- 0 authorising AS4961
- ASPA
- no ASPA record
- IRR
- 100% registered · 27 of 27 announcements
- Route objects
- 116 naming AS4961
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 1,849 prefixes, as published 2026-10-30. 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