# 103.136.57.121 — IP Intelligence Summary

103.136.57.121 is an IPv4 address announced by AS131111, with approximate network location Indonesia. As of November 10, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/103.136.57.121
- Last updated: 2026-11-10

## Ownership

- Organization: ID-NIC HOSTMASTERS
- Network name: IANA-BLOCK
- Allocated block: 0.0.0.0/0
- ASN: AS131111 (https://ipdebrief.com/asn/131111)
- Regional registry: APNIC
- Registered holder: ID-NIC HOSTMASTERS
- Routing operator: —
- Network registration country: ID
- Registrant address country: —

## Location

- City: —
- Region: —
- Country: Indonesia
- Time zone: Asia/Jakarta

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

## 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

## Nearby addresses

- 103.136.57.43 (https://ipdebrief.com/103.136.57.43)
- 103.136.57.67 (https://ipdebrief.com/103.136.57.67)
- 103.136.57.113 (https://ipdebrief.com/103.136.57.113)
- 103.136.57.135 (https://ipdebrief.com/103.136.57.135)
- 103.136.57.153 (https://ipdebrief.com/103.136.57.153)
- 103.136.57.161 (https://ipdebrief.com/103.136.57.161)
- 103.136.57.172 (https://ipdebrief.com/103.136.57.172)
- 103.136.57.189 (https://ipdebrief.com/103.136.57.189)
- 103.136.57.242 (https://ipdebrief.com/103.136.57.242)

---

Source: IPDebrief, "103.136.57.121 IP intelligence", https://ipdebrief.com/103.136.57.121, updated 2026-11-10. Assessments are probabilistic.