91.226.37.236 is an IPv4 address announced by AS197564, with approximate network location Stockholm, Sweden. Its reverse DNS name is glb-cor01-payload-glb-cor02.iis.se. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | The Swedish Internet Foundation Network Operations |
| ASN | AS197564 |
| Network Name | INTERNETSTIFTELSEN-BLOCK1 |
| CIDR Block | 91.226.36.0/23 |
| RIR | RIPE |
| Network registration country | SE |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | glb-cor01-payload-glb-cor02.iis.se |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | glb-cor01-payload-glb-cor02.iis.se |
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
🔍 14 signal types · 15 observations collected
This report is generated from 14+ 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 91.226.37.236
Who owns the IP address 91.226.37.236?
91.226.37.236 is registered to The Swedish Internet Foundation Network Operations. The address falls within the 91.226.36.0/23 network block. Registration is held at RIPE.
Where is 91.226.37.236 located?
Geolocation data places 91.226.37.236 in Stockholm, Stockholm County, Sweden. The local time zone is Europe/Stockholm. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 91.226.37.236 malicious or safe?
91.226.37.236 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 91.226.37.236?
The reverse DNS (PTR) record for 91.226.37.236 is glb-cor01-payload-glb-cor02.iis.se. This hostname is not forward-confirmed, so it should be treated as a weak signal.
