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AS4040

Korea Telecom

South Korea (KR)

ASN Information

AS NumberAS4040
AS NameKORNET-PS-AS-KR
OrganizationKorea Telecom
Also known asNot available
CountrySouth Korea (KR)
RegistryAPNIC
ASN TypeNot available
Last Seen
Announcement Count1
IPv4 Prefix Count1
IPv6 Prefix Count0
RPKI StatusUnknown (could not be determined) ×1
IRR RecordsView IRR route objects
WebsiteNot available

AS Path to AS4040

  1. 35280F5 F5 Networks SARL
  2. 2914NTT-DATA-2914 - NTT America, Inc.
  3. 4040Origin

Most common path, seen 3× in route collector data, latest at a collector in Singapore (2026-10-16 09:24:01 UTC). Prepends collapsed.

Route Collectors (Visibility)

Amsterdam: 1 peer session(s)São Paulo: 1 peer session(s)Johannesburg: 1 peer session(s)London: 3 peer session(s)Sydney: 7 peer session(s)Eugene, OR: 9 peer session(s)Singapore: 16 peer session(s)
High (10+ peers)Medium (3–9)Low (1–2)

Approximate route collector locations, coloured by peer sessions carrying this AS's routes.

Announced Prefixes (1)

View All →
PrefixFamilyRPKILast Seen
14.49.22.0/24IPv4Not checkedNot looked up yet

Peers (2)

View All →
ASNameRelationshipPathsLast Seen
AS2914NTT-DATA-2914 - NTT America, Inc.Upstream (inferred)35
AS4766KIXS-AS-KR-KR - Korea TelecomDownstream (inferred)Inferred—

Neighbours seen next to AS4040 in public AS paths. These are not confirmed BGP sessions; peer IP addresses and locations are not published by these sources.

Public Peering Exchange Points (0)

IX Updates →

No Internet Exchange ports are registered for AS4040.

IX ports registered by AS4040 (self-reported by the network).

Interconnection Facilities (0)

No interconnection facilities are registered for AS4040.

Data centres where AS4040 says it can interconnect (self-reported).

IRR AS-SET and Peering Policy

IRR AS-SETNot available
Member of AS-SETsSee IRR page
Peering policyNot available
Multiple locationsNot available
Ratio requirementNot available
ContractNot available
TrafficNot available
Traffic ratioNot available
Geographic scopeNot available
Max prefixes (IPv4 / IPv6)Not available
Unicast / IPv6 / MulticastNot available
Looking glassNot available
Route serverNot available

Contact Information (0)

No public contacts are registered for AS4040.

Only contacts the network has chosen to publish are shown.

Upstreams (1)

ASNameRelationshipPathsLast Seen
AS2914NTT-DATA-2914 - NTT America, Inc.Upstream (inferred)35

Downstreams (1)

ASNameRelationshipPathsLast Seen
AS4766KIXS-AS-KR-KR - Korea TelecomDownstream (inferred)Inferred—

Registry and network details

Registered holderKORNET-PS-AS-KR-KR - Korea Telecom
RegisteredYes
Peering policyNot available
IRR AS-setNot available
Registry record last modified
MaintainersMNT-KRNIC-AP
Internet exchangesNot available
FacilitiesNot available
Network profile updatedNot available

Data updated . See limitations.