Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Long-established allocation (24y) +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 81.91.173.48/28
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 81.91.173.56/29 | 8 | DENIC eG | AS8763 | NL |
| 81.91.173.48/30 | 4 | DENIC eG | AS8763 | DE |
| 81.91.173.52/30 | 4 | DENIC eG | AS8763 | NL |
Geolocation
All 16 IP addresses in 81.91.173.48/28
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 81.91.173.0/24.
Frequently Asked Questions
What is 81.91.173.48/28?
81.91.173.48/28 is a CIDR network block containing 16 IPv4 addresses (from 81.91.173.48 to 81.91.173.63). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 81.91.173.48/28 network?
The 81.91.173.48/28 range is allocated to DENIC eG and announced via AS8763 from Germany.
How many IP addresses are in 81.91.173.48/28?
81.91.173.48/28 contains exactly 16 usable IPv4 addresses. A /28 prefix length means 16 addresses are covered by this single routing entry.
