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Autonomous System

AS395139

NewYork-Presbyterian Hospital

Announced IPs
229,376
CIDR prefixes
4
ASN
AS395139

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.

69/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

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.

PrefixAnnouncement samplesLast seen
156.145.0.0/17 20,696 2026-09-10 22:48:34
156.111.0.0/17 20,546 2026-09-10 22:48:34
140.251.128.0/18 19,445 2026-09-10 22:48:34
143.104.0.0/17 19,423 2026-09-10 22:48:34
156.145.0.0/16 15,837 2026-09-10 22:33:54
156.111.0.0/16 15,656 2026-09-10 22:33:54
140.251.128.0/17 14,888 2026-09-10 22:33:54
143.104.0.0/16 14,818 2026-09-10 22:33:54
156.145.0.0/18 11,399 2026-09-10 22:33:54
156.145.192.0/18 11,372 2026-09-10 22:33:54
156.111.128.0/18 11,319 2026-09-10 22:33:54
156.145.64.0/18 11,025 2026-09-10 22:33:54
156.111.0.0/18 11,001 2026-09-10 22:33:54
156.111.64.0/18 10,977 2026-09-10 22:33:54
156.145.128.0/18 10,882 2026-09-10 22:33:54
140.251.224.0/19 9,751 2026-09-10 22:33:54
156.145.240.0/24 9,522 2026-09-10 22:11:34
140.251.160.0/19 9,484 2026-09-10 22:33:54
140.251.128.0/19 9,428 2026-09-10 22:33:54
143.104.64.0/18 9,425 2026-09-10 22:33:54
140.251.192.0/19 9,410 2026-09-10 22:33:54
143.104.10.0/24 9,158 2026-09-10 22:11:34
156.111.228.0/24 9,089 2026-09-10 22:11:41
143.104.128.0/18 9,064 2026-09-10 22:33:54
156.111.192.0/18 8,690 2026-09-10 22:33:54
143.104.192.0/18 7,129 2026-09-10 22:33:54
156.145.128.0/17 2,682 2026-09-10 21:46:01
156.111.128.0/17 2,648 2026-09-10 21:46:01
143.104.128.0/17 2,548 2026-09-10 21:46:01
140.251.192.0/18 2,404 2026-09-10 21:46:01
143.104.1.0/24 2,128 2026-09-10 21:46:01

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.

Last updated: 2026-09-10 22:56:38 UTC
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