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
- Academic allocation +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 129.173.0.0/16 | 65.5K |
35.4%
|
Dalhousie University | CA | Nova Scotia | Halifax |
| 134.190.0.0/16 | 65.5K |
32.3%
|
Dalhousie University | CA | Nova Scotia | Halifax |
| 140.184.0.0/16 | 65.5K |
2.3%
|
Dalhousie University | CA | Nova Scotia | Halifax |
| 140.230.0.0/16 | 65.5K |
2.8%
|
Dalhousie University | CA | Nova Scotia | Halifax |
| 192.75.96.0/23 | 512 |
2.1%
|
Dalhousie University | CA | — | — |
| 192.75.138.0/24 | 256 |
1.2%
|
Dalhousie University | CA | — | — |
| 198.166.233.0/24 | 256 |
0.0%
|
Dalhousie University | CA | Nova Scotia | Halifax |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS8111 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 140.184.0.0/16 | 6,172 | 2026-07-13 06:46:15 |
| 198.166.233.0/24 | 4,337 | 2026-07-19 07:45:41 |
| 129.173.0.0/16 | 4,325 | 2026-07-19 07:45:41 |
| 192.75.138.0/24 | 4,302 | 2026-07-19 07:45:41 |
| 192.75.96.0/24 | 4,301 | 2026-07-19 07:45:41 |
| 134.190.0.0/16 | 4,300 | 2026-07-19 08:21:03 |
| 192.75.97.0/24 | 4,253 | 2026-07-19 07:45:41 |
| 140.230.0.0/16 | 4,212 | 2026-07-19 07:45:29 |
Frequently Asked Questions
What is AS8111?
AS8111 is an Autonomous System Number assigned to Dalhousie University. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS8111 announce?
AS8111 announces 263.2K IPv4 addresses distributed across 7 routed CIDR prefixes. The network is registered in Canada.
Who operates AS8111?
AS8111 is operated by Dalhousie University. The organization is based in Canada. You can view all IP ranges and related ASNs on the organization page.
What country is AS8111 registered in?
AS8111 is registered in Canada. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
