2a01:cb04:d6b:df00:89c7:791f:21b0:31fb is an IPv6 address, with approximate network location Bures-sur-Yvette, France. Its reverse DNS name is 2a01cb040d6bdf0089c7791f21b031fb.ipv6.abo.wanadoo.fr. As of October 31, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Unknown |
| ASN | — |
| Network Name | — |
| CIDR Block | — |
| RIR | — |
| Network registration country | — |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | 2a01cb040d6bdf0089c7791f21b031fb.ipv6.abo.wanadoo.fr |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 2a01cb040d6bdf0089c7791f21b031fb.ipv6.abo.wanadoo.fr |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP.
DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| spf | Not checked |
| dmarc | Not checked |
| fcrDns | Not checked |
| dnssec | Not checked |
| caa | Not checked |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
No specific classification
🔍 9 signal types · 9 observations collected
This report is generated from 9+ independent intelligence signals including
ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds,
behavioral fingerprinting, and more.
Full dossier details are available via our API.
❓ Frequently Asked Questions About 2a01:cb04:d6b:df00:89c7:791f:21b0:31fb
Where is 2a01:cb04:d6b:df00:89c7:791f:21b0:31fb located?
Geolocation data places 2a01:cb04:d6b:df00:89c7:791f:21b0:31fb in Bures-sur-Yvette, Île-de-France, France. The local time zone is Europe/Paris. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 2a01:cb04:d6b:df00:89c7:791f:21b0:31fb malicious or safe?
2a01:cb04:d6b:df00:89c7:791f:21b0:31fb currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 2a01:cb04:d6b:df00:89c7:791f:21b0:31fb?
The reverse DNS (PTR) record for 2a01:cb04:d6b:df00:89c7:791f:21b0:31fb is 2a01cb040d6bdf0089c7791f21b031fb.ipv6.abo.wanadoo.fr. This hostname is forward-confirmed, meaning it resolves back to the same address.
