AS395139
NewYork-Presbyterian Hospital
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
- Enterprise allocation +4
- Trust score 69 / 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 |
|---|---|---|---|---|---|---|
| 143.104.0.0/16 | 65.5K |
1.2%
|
NewYork-Presbyterian Hospital | US | New York | New York |
| 156.111.0.0/16 | 65.5K |
14.1%
|
NewYork-Presbyterian Hospital | US | New York | New York |
| 156.145.0.0/16 | 65.5K |
18.0%
|
NewYork-Presbyterian Hospital | US | New York | New York |
| 140.251.128.0/17 | 32.8K |
15.7%
|
NewYork-Presbyterian Hospital | US | Connecticut | Brookfield |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS395139 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 |
|---|---|---|
| 140.251.128.0/18 | 9,047 | 2026-07-24 10:27:42 |
| 156.145.0.0/17 | 9,046 | 2026-07-24 10:28:35 |
| 143.104.0.0/17 | 9,030 | 2026-07-24 10:27:42 |
| 156.111.0.0/17 | 9,015 | 2026-07-24 10:28:35 |
| 156.145.0.0/18 | 6,696 | 2026-07-24 10:28:35 |
| 156.145.192.0/18 | 6,681 | 2026-07-24 10:28:35 |
| 156.111.128.0/18 | 6,659 | 2026-07-24 10:28:35 |
| 140.251.224.0/19 | 6,632 | 2026-07-24 10:27:42 |
| 156.145.240.0/24 | 6,524 | 2026-07-24 10:28:35 |
| 140.251.160.0/19 | 6,366 | 2026-07-24 10:27:42 |
| 156.145.64.0/18 | 6,348 | 2026-07-24 10:28:35 |
| 140.251.128.0/19 | 6,318 | 2026-07-24 10:27:42 |
| 140.251.192.0/19 | 6,289 | 2026-07-24 10:27:42 |
| 156.111.64.0/18 | 6,288 | 2026-07-24 10:28:35 |
| 143.104.64.0/18 | 6,282 | 2026-07-24 10:27:42 |
| 156.111.0.0/18 | 6,265 | 2026-07-24 10:28:35 |
| 156.145.128.0/18 | 6,210 | 2026-07-24 10:28:35 |
| 143.104.10.0/24 | 6,161 | 2026-07-24 10:27:42 |
| 156.111.228.0/24 | 6,123 | 2026-07-24 10:28:35 |
| 156.145.0.0/16 | 6,075 | 2026-07-24 10:28:35 |
| 140.251.128.0/17 | 6,040 | 2026-07-24 10:27:42 |
| 143.104.0.0/16 | 6,027 | 2026-07-24 10:27:42 |
| 156.111.0.0/16 | 6,017 | 2026-07-24 10:28:35 |
| 143.104.128.0/18 | 5,933 | 2026-07-24 10:27:42 |
| 143.104.192.0/18 | 3,988 | 2026-07-24 10:27:42 |
| 156.111.192.0/18 | 3,972 | 2026-07-24 10:28:35 |
| 143.104.128.0/17 | 1,797 | 2026-07-24 09:36:05 |
| 156.145.128.0/17 | 1,682 | 2026-07-24 09:36:05 |
| 156.111.128.0/17 | 1,667 | 2026-07-24 09:36:05 |
| 140.251.192.0/18 | 1,650 | 2026-07-24 09:36:05 |
| 143.104.1.0/24 | 1,510 | 2026-07-24 09:31:28 |
Frequently Asked Questions
What is AS395139?
AS395139 is an Autonomous System Number assigned to NewYork-Presbyterian Hospital. 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 AS395139 announce?
AS395139 announces 229.4K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in United States.
Who operates AS395139?
AS395139 is operated by NewYork-Presbyterian Hospital. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS395139 registered in?
AS395139 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
