# 2001:871:255:5d6a:45a:a156:c64f:f13 — IP Intelligence Summary

2001:871:255:5d6a:45a:a156:c64f:f13 is an IPv6 address operated by A1TELEKOM-AT - A1 Telekom Austria AG, AT (AS8447), with approximate network location Vienna, Austria. Its reverse DNS name is dynamic-pd01.res.v6.highway.a1.net. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/2001:871:255:5d6a:45a:a156:c64f:f13
- Last updated: 2026-11-13

## Ownership

- Organization: AS8447-MNT
- Network name: AT-TELEKOM-20020725
- Allocated block: —
- ASN: AS8447 (https://ipdebrief.com/asn/8447)
- Regional registry: RIPE
- Registered holder: AS8447-MNT
- Routing operator: A1TELEKOM-AT - A1 Telekom Austria AG, AT
- Network registration country: AT
- Registrant address country: —

## Location

- City: Vienna
- Region: State of Vienna
- Country: Austria
- Time zone: Europe/Vienna

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

- dynamic-pd01.res.v6.highway.a1.net
- Forward-confirmed: no

## DNS posture

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

- caa: Not found at queried name (net)
- spf: Unknown / lookup inconclusive (dynamic-pd01.res.v6.highway.a1.net)
- dmarc: Unknown / lookup inconclusive (_dmarc.dynamic-pd01.res.v6.highway.a1.net)
- dnssec: Unknown / lookup inconclusive (3.1.f.0.f.4.6.c.6.5.1.a.a.5.4.0.a.6.d.5.5.5.2.0.1.7.8.0.1.0.0.2.ip6.arpa)
- fcrDns: Unknown / lookup inconclusive (dynamic-pd01.res.v6.highway.a1.net)

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Source: IPDebrief, "2001:871:255:5d6a:45a:a156:c64f:f13 IP intelligence", https://ipdebrief.com/2001:871:255:5d6a:45a:a156:c64f:f13, updated 2026-11-13. Assessments are probabilistic.