AS36861 RWJBarnabas Health, Inc.

AS36861 - RWJBarnabas Health, Inc. · registered in the United States

IPv4 addresses4,0963 prefixes · <0.001% of announced IPv4

Rank in United States#4,768largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#16,025of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS36861 in ASN lookup Look up an IP in this network (204.58.156.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

204.58.156.0/22
204.58.160.0/21
208.68.20.0/22

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AS40197#4769 NBS-72 - Nextlink Broadband4,096

AS40198#4770 MATINETWORKS - MATI4,096

AS40200#4771 ASN-MUNSON-CHARTER-ATT - Munson Healthcare4,096

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources