AS27311 Biogen MA Inc

AS27311 - Biogen MA Inc · registered in the United States

IPv4 addresses1,0243 prefixes · <0.001% of announced IPv4

Rank in United States#8,423largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#36,890of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS27311 in ASN lookup Look up an IP in this network (161.199.168.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

161.199.168.0/24
161.199.170.0/23
198.180.131.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS27271#8420 URNA-1 - United Rentals (North America), Inc.1,024

AS27297#8421 PGTECHNOLOGY - PG TECHNOLOGY, INC.1,024

AS27309#8422 TCC - The Computer Company, Inc.1,024

AS27313#8424 SPENCER-STUART - Spencer Stuart1,024

AS27343#8425 MONSANTO-INET - Monsanto1,024

AS27386#8426 PSEGLI - PSEG Long Island LLC1,024

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