ASN lookup result for AS9277 SK Broadband Co Ltd — network size, BGP routing and registration
IPv4 addresses
4,096
1 announced prefixes
IPv6 addresses
—
0 announced prefixes
BGP neighbours
…
CAIDA rank
#22,714
Customer cone 1 ASNs
Estimated users
756
APNIC Labs estimate
RPKI
0% valid
0 invalid · 1 not covered
Average purity
97
1 sampled IPs
IXPs / facilities
0 / 0
Operator self-reported
History
How prefixes were announced and changed hands, registration changes, and outage or hijack incidents.
Loading routing history…
IP ranges
Currently announced prefixes with their RIR registration and geolocation.
| Prefix | RPKI | Registration | Geolocation | Addresses |
|---|---|---|---|---|
| 1.224.0.0/20 | Not found |  broadNnetAPNIC | Seosan City | 4,096 |
/24 block profile
One square per /24: colour shows the risk type, shade how many addresses are flagged, stripes mark datacenter blocks. Click a square to see all 256 addresses.
/24s with data 1 / 16 （6%） · flagged 0
Hover a square for its numbers; click to see all 256 addresses.
Each prefix shows its 64 /24s with the most data. Built daily from lookups, neighbour sampling, public lists and block screening.
IP reputation
IPs from this network that CleanIP has analysed: purity, abuse reports and the riskiest /24 blocks.
Purity distribution
0.05%
Share of IPv4 reported or blocklisted
2
Listed IPs
1
Analysed IPs
Flagged = VPN, proxy, Tor or purity below 50. Samples come from user lookups and neighbour sampling, not every address in this network.
Geography
Where this network’s IPv4 addresses are located.
- South Korea100.0%
- Scope
- Single country
- In registered country
- 100.0%
Estimated by sampling IPv4 ranges against a geolocation database.
Traffic observation
AS9277 · Last 7 daysAdoption & Usage
Adoption and usage of key protocols
Security & Attacks
Insights into network and application layer attack traffic
BGP Announcements
Hourly BGP route announcements over the last 7 days
Data: Cloudflare Radar, licensed under CC BY-NC 4.0
Activity
Hourly traffic over the last 7 days, normalized to this network’s peak.
A pronounced day/night rhythm, typical of networks with human users.
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- Peak hour
- 13:00–14:00
- Active hours
- 13 hrs
- Weekend vs weekday
- Weekends heavier
- Busiest day
- Sat
Datacenter Presence
WHOIS record
The registry’s record for this AS number: holder, status, dates and contacts.
Sources
Where the information on this page comes from and when it was updated.
| Information | Source | Updated |
|---|---|---|
| Registered country | RIR daily delegation statistics | 2026-10-22 |
| Organization & company country | AS-to-organization data | 2026-10-21 |
| Announced prefixes & BGP neighbours | Public BGP routing data | 2026-10-22 |
| IPv4 geography | Geolocation database | — |
| RPKI validation | RPKI ROA validation data | 2026-10-22 |
| Rank & customer cone | CAIDA AS Rank | 2026-10-01 |
| Estimated users (APNIC) | APNIC Labs user estimates | 2026-10-19 |
| IP reputation | CleanIP lookups and neighbour sampling | — |
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