AS6527 Commonwealth of Massachusetts

MASSACHUSETTS - Commonwealth of Massachusetts · registered in the United States

IPv4 addresses230,40013 prefixes · 0.007% of announced IPv4

Rank in United States#291largest network in US by IPv4 space, of 18,338 · 0.02% of US

Rank worldwide#978of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS6527 in ASN lookup Look up an IP in this network (146.243.0.1) All networks in United States

IPv4 prefixes

All 13 prefixes, in address order.

146.243.0.0/16
170.63.0.0/16
170.154.0.0/16
198.99.169.0/24
198.203.237.0/24
198.203.238.0/23
198.203.240.0/23
204.58.32.0/20
204.58.48.0/21
204.58.56.0/22
204.58.60.0/23
204.88.96.0/19
204.130.64.0/18

Similar-sized networks in United States

ASNNameIPv4 addresses

AS32982#288 DOE-HQ - U.S. Department of Energy230,912

AS1998#289 STATE-OF-MN - State of Minnesota230,912

AS203#290 CENTURYLINK-LEGACY-LVLT-203 - Level 3 Parent, LLC230,912

AS10405#292 UPRR-ASN-01 - Union Pacific Railroad Company229,376

AS395139#293 NYP-INTERNET - NewYork-Presbyterian Hospital229,376

AS46450#294 PILOT - Pilot Fiber, Inc.228,096

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