Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About SK Telecom
SK Telecom Co., Ltd., abbreviated as SKT, is a South Korean wireless telecommunications operator and former film distributor and is part of the SK Group, one of the country's largest chaebols. It leads the local market with 50.5 percent share as of 2008.
Network profile
Source: PeeringDB →AS9644 — global IP footprint
Cities where AS9644 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS9644 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 111.218.0.0/15 | 43,553 | 2026-09-09 07:30:42 |
| 58.102.0.0/15 | 43,384 | 2026-09-09 07:30:42 |
| 61.104.0.0/16 | 43,332 | 2026-09-09 07:30:42 |
| 27.160.0.0/12 | 41,821 | 2026-09-09 07:30:42 |
| 42.32.0.0/12 | 41,816 | 2026-09-09 07:30:42 |
| 42.16.0.0/12 | 41,806 | 2026-09-09 07:30:42 |
| 27.176.0.0/13 | 41,794 | 2026-09-09 07:30:42 |
| 111.218.0.0/17 | 41,645 | 2026-09-09 07:30:42 |
| 114.52.0.0/15 | 41,641 | 2026-09-09 07:30:42 |
| 111.218.128.0/17 | 41,601 | 2026-09-09 07:30:42 |
| 111.219.0.0/16 | 41,586 | 2026-09-09 07:30:42 |
| 61.250.0.0/18 | 41,576 | 2026-09-09 07:30:42 |
| 123.228.0.0/15 | 41,574 | 2026-09-09 07:30:42 |
| 113.216.0.0/15 | 41,566 | 2026-09-09 07:30:42 |
| 61.254.128.0/19 | 41,451 | 2026-09-09 07:30:42 |
| 124.0.0.0/15 | 41,251 | 2026-09-09 07:30:42 |
| 180.132.0.0/14 | 41,215 | 2026-09-09 07:30:42 |
| 211.234.192.0/19 | 41,029 | 2026-09-09 07:30:42 |
| 203.226.192.0/19 | 40,848 | 2026-09-09 07:30:42 |
| 211.234.224.0/20 | 40,812 | 2026-09-09 07:30:42 |
| 203.226.224.0/20 | 40,810 | 2026-09-09 07:30:42 |
| 203.226.240.0/21 | 40,790 | 2026-09-09 07:30:42 |
| 203.236.0.0/19 | 40,768 | 2026-09-09 07:30:42 |
| 203.226.248.0/22 | 40,767 | 2026-09-09 07:30:42 |
| 203.236.32.0/21 | 40,767 | 2026-09-09 07:30:42 |
| 211.188.128.0/17 | 40,729 | 2026-09-09 07:30:42 |
| 211.115.0.0/19 | 40,719 | 2026-09-09 07:30:42 |
| 203.236.40.0/22 | 40,719 | 2026-09-09 07:30:42 |
| 211.240.128.0/17 | 40,715 | 2026-09-09 07:30:42 |
| 211.235.128.0/18 | 40,710 | 2026-09-09 07:30:42 |
| 211.111.176.0/20 | 40,707 | 2026-09-09 07:30:42 |
| 211.234.128.0/18 | 40,705 | 2026-09-09 07:30:42 |
| 211.235.64.0/18 | 40,695 | 2026-09-09 07:30:42 |
| 211.234.248.0/21 | 40,653 | 2026-09-09 07:30:42 |
| 211.234.244.0/22 | 40,649 | 2026-09-09 07:30:42 |
| 220.103.0.0/16 | 40,574 | 2026-09-09 07:30:42 |
| 223.32.0.0/11 | 40,472 | 2026-09-09 07:30:42 |
Frequently Asked Questions
What is AS9644?
AS9644 is an Autonomous System Number assigned to SK Telecom. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS9644 announce?
AS9644 announces 7.13M IPv4 addresses distributed across 202 routed CIDR prefixes. The network is registered in South Korea.
Who operates AS9644?
AS9644 is operated by SK Telecom. The organization is based in South Korea. You can view all IP ranges and related ASNs on the organization page.
What country is AS9644 registered in?
AS9644 is registered in South Korea. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
