# 158.108.21.39 — IP Intelligence Summary

158.108.21.39 is an IPv4 address announced by AS9411, with approximate network location London, Thailand. Its reverse DNS name is icpc.cs.sci.ku.ac.th. As of November 11, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/158.108.21.39
- Last updated: 2026-11-11

## Ownership

- Organization: Kasetsart University
- Network name: KASETSART-TH
- Allocated block: 158.108.0.0/16
- ASN: AS9411 (https://ipdebrief.com/asn/9411)
- Regional registry: ARIN
- Registered holder: Kasetsart University
- Routing operator: —
- Network registration country: TH
- Registrant address country: —

## Location

- City: London
- Region: —
- Country: Thailand
- Time zone: Asia/Bangkok

Approximate network location; registration and certificate addresses are not server-location evidence.

## Network classification

- Infrastructure type: —
- Datacenter / hosting: no
- Residential: no
- Mobile: no
- Anycast: Unverified (not proof of unicast)
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (0/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- icpc.cs.sci.ku.ac.th
- Forward-confirmed: yes

## Exposed services

- 80/tcp — http
- 443/tcp — https

## DNS posture

Mail authentication and CAA are optional domain policies, not IP-wide requirements.

- spf: Not checked
- dmarc: Not checked
- fcrDns: Not checked
- dnssec: Not checked
- caa: Not checked

## TLS observations

- CN=icpc.cs.sci.ku.ac.th; port unknown; target —; Previously observed certificate has since expired; current certificate unknown; valid until 2026-10-28T03:25:56.0000000+00:00

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Source: IPDebrief, "158.108.21.39 IP intelligence", https://ipdebrief.com/158.108.21.39, updated 2026-11-11. Assessments are probabilistic.