Autonomous system
AS10158 KAKAO-10158-AS-KR Kakao Corp
Hosting APNIC
Summary
Kakao Corp
hosting content south-korea
KAKAO-10158-AS-KR is one of the network numbers of Kakao Corp, the South Korean internet company behind KakaoTalk messaging, the Daum portal, Kakao Maps and Kakao Pay.
What it's used for
- Serving Kakao's own consumer platforms from its Korean data centres: portal and search front-ends, messaging infrastructure and the authoritative DNS for its properties.
Notable
This is a content/hosting network, not an access provider, and the two halves of the pack say it together. The sampled reverse DNS returns ns1.daum.net and ns2.daum.net on 113.61.106.5 / 113.61.107.5 — Kakao merged with Daum Communications in 2014, so the surviving daum.net naming inside Kakao-announced space is first-party, not a hosted third party. Nothing in the sample looks like subscriber space: no pool, dhcp or dsl naming, just named service hosts.
The decisive figure is 119 observed BGP neighbours against only 5,888 announced IPv4 addresses in 23 prefixes. That ratio is the signature of a content network: it peers aggressively and settlement-free at Korean and regional exchanges to put its own traffic close to eyeballs, while needing very little address space to do it. A carrier with 119 neighbours would be routing far more than a /19's worth of space; an enterprise with 5,888 addresses would have three or four peers.
Interesting
- The AS also announces six IPv6 prefixes including
2404:4600::/32, so Kakao's IPv6 footprint is provisioned well ahead of the IPv4 one. - Kakao runs several distinct ASNs; this one is a service-facing slice rather than the whole company.
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
Recorded at 7 exchanges in 5 countries, largest first.
| Exchange | Location | Their address |
|---|---|---|
| DE-CIX Frankfurt | Frankfurt, Germany | 80.81.193.107 |
| Equinix Internet Exchange Singapore | Singapore, Singapore | 27.111.228.166 |
| BroadBand Internet eXchange Tokyo | Tokyo, Japan | 101.203.88.172 |
| Coresite - Any2 West | Los Angeles, United States | 206.72.210.196 |
| Any2 California | Los Angeles, United States | 206.72.210.196 |
| JPIX Tokyo | Tokyo, Japan | 210.171.225.28 |
| Korea Internet Neutral Exchange KINX | Seoul, South Korea | 139.150.100.135 |
Transit providers
20 upstream, 4 downstream and 32 adjacent networks observed; most-used upstreams first.
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
IPv4 9 prefixes · 5.63K addresses IPv6 28 prefixes
| Country | Name | Prefixes |
|---|---|---|
| KR | Korea, Republic of | 37 |
Registry
Allocation record
- Registry
- APNIC
- Handle
AS10158- Registry name
- KAKAO-10158-AS-KR-KR
- Abuse contact
- hostmaster@nic.or.kr
- Registered
- 2000-09-01
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 0% valid · 0 valid, 29 with no ROA
- ROAs
- 0 authorising AS10158
- ASPA
- no ASPA record
- IRR
- 97% registered · 28 of 29 announcements
- Route objects
- 227 naming AS10158
Reputation
Classification and threat
Hosting Datacenter or cloud provider. Addresses are servers, not people.
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: 432 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