AS133857
Callaghan Innovation
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 |
|---|---|---|---|---|---|---|
| 161.65.168.0/23 | 512 |
97.7%
|
Callaghan Innovation | NZ | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS133857 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 |
|---|---|---|
| 161.65.169.0/24 | 6,780 | 2026-08-01 23:16:24 |
| 161.65.168.0/24 | 6,772 | 2026-08-01 23:16:24 |
Frequently Asked Questions
What is AS133857?
AS133857 is an Autonomous System Number assigned to Callaghan Innovation. 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 AS133857 announce?
AS133857 announces 512 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in New Zealand.
Who operates AS133857?
AS133857 is operated by Callaghan Innovation. The organization is based in New Zealand. You can view all IP ranges and related ASNs on the organization page.
What country is AS133857 registered in?
AS133857 is registered in New Zealand. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
