AS17105
NISA Investment Advisors
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
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 192.135.218.0/24 | 256 |
0.4%
|
NISA Investment Advisors | US | Missouri | St Louis |
| 199.168.41.0/24 | 256 |
0.8%
|
NISA Investment Advisors | US | Missouri | St Louis |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS17105 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 |
|---|---|---|
| 192.135.218.0/24 | 5,657 | 2026-08-03 02:26:06 |
| 199.168.41.0/24 | 4,273 | 2026-08-03 02:03:32 |
Frequently Asked Questions
What is AS17105?
AS17105 is an Autonomous System Number assigned to NISA Investment Advisors. 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 AS17105 announce?
AS17105 announces 512 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.
Who operates AS17105?
AS17105 is operated by NISA Investment Advisors. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS17105 registered in?
AS17105 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
