# 181.21.18.43 — IP Intelligence Summary

181.21.18.43 is an IPv4 address operated by AS22927 - Telefonica de Argentina, AR (AS22927), with approximate network location Argentina. It belongs to a mobile network. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/181.21.18.43
- Last updated: 2026-11-14

## Ownership

- Organization: Telefonica de Argentina
- Network name: 181.20.0.0 - 181.23.255.255
- Allocated block: 181.20.0.0/14
- ASN: AS22927 (https://ipdebrief.com/asn/22927)
- Regional registry: LACNIC
- Registered holder: Telefonica de Argentina
- Routing operator: AS22927 - Telefonica de Argentina, AR
- Network registration country: AR
- Registrant address country: —

## Location

- City: —
- Region: Buenos Aires
- Country: Argentina
- Time zone: America/Argentina/Buenos_Aires

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

## Network classification

- Infrastructure type: MobileCarrier
- Datacenter / hosting: no
- Residential: no
- Mobile: yes
- 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.

- caa: Not found at queried name (ar)
- spf: Not checked
- dmarc: Not checked
- dnssec: Unknown / lookup inconclusive (43.18.21.181.in-addr.arpa)
- fcrDns: Not checked

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Source: IPDebrief, "181.21.18.43 IP intelligence", https://ipdebrief.com/181.21.18.43, updated 2026-11-14. Assessments are probabilistic.