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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About Yale University
Yale University is a private Ivy League research university in New Haven, Connecticut, United States. Founded in 1701, Yale is the third-oldest institution of higher education in the United States.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 130.132.0.0/16 | 65.5K |
17.0%
|
Yale University | US | Connecticut | New Haven |
| 128.36.128.0/17 | 32.8K |
6.6%
|
Yale University | US | — | — |
| 128.36.64.0/18 | 16.4K |
9.8%
|
Yale University | US | — | — |
| 128.36.32.0/19 | 8.2K |
0.7%
|
Yale University | US | — | — |
| 128.36.16.0/20 | 4.1K |
4.5%
|
Yale University | US | — | — |
| 128.36.0.0/21 | 2.0K |
4.8%
|
Yale University | US | Connecticut | New Haven |
| 128.36.8.0/22 | 1.0K |
0.3%
|
Yale University | US | — | — |
| 128.36.12.0/23 | 512 |
0.0%
|
Yale University | US | — | — |
| 128.36.14.0/24 | 256 |
0.0%
|
Yale University | US | — | — |
| 192.31.2.0/24 | 256 |
0.0%
|
Yale University | US | — | — |
| 192.31.236.0/24 | 256 |
0.0%
|
Yale University | US | Connecticut | New Haven |
| 192.35.89.0/24 | 256 |
0.0%
|
Yale University | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS29 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 |
|---|---|---|
| 192.31.236.0/24 | 7,404 | 2026-07-24 13:28:58 |
| 130.132.0.0/16 | 7,105 | 2026-07-24 13:27:31 |
| 128.36.0.0/16 | 7,085 | 2026-07-24 13:27:30 |
| 192.35.89.0/24 | 6,072 | 2026-07-24 13:28:58 |
| 192.31.2.0/24 | 5,390 | 2026-07-24 13:28:58 |
| 128.36.4.0/24 | 5,335 | 2026-07-24 13:27:30 |
Frequently Asked Questions
What is AS29?
AS29 is an Autonomous System Number assigned to Yale 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 AS29 announce?
AS29 announces 131.6K IPv4 addresses distributed across 12 routed CIDR prefixes. The network is registered in United States.
Who operates AS29?
AS29 is operated by Yale University. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS29 registered in?
AS29 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
