AS64249

Name: AS64249 — Charles River Operation
Creator: ipdex

Charles River Operation Unknown registered in United States

58IPv4 prefixes

5IPv6 prefixes

43%RPKI-valid

#10,170AS Rank

327/327RIS visibility

#539Rank in United States

2016-04-08Allocated

Charles River Operation (AS64249) — Unknown, registered in United States. announces 58 IPv4 prefixes + 5 IPv6 prefixes. Rank in United States: #539. Allocated: 2016-04-08.

IPv4 58IPv6 5

Announced prefixes · 63

v4 144.86.187.0/24 unknown
v4 147.189.137.0/24 valid
v4 154.12.2.0/24 unknown
v4 154.12.6.0/24 unknown
v4 154.13.0.0/24 unknown
v4 154.3.129.0/24 unknown
v4 154.3.222.0/24 unknown
v4 154.3.236.0/24 unknown
v4 154.3.237.0/24 unknown
v4 154.3.45.0/24 unknown
v4 154.39.0.0/24 unknown
v4 154.39.2.0/24 unknown
v4 154.9.0.0/24 unknown
v4 154.9.154.0/24 unknown
v4 192.203.175.0/24 unknown
v4 193.148.94.0/24 valid
v4 198.145.141.0/24 valid
v4 198.145.142.0/24 valid
v4 198.145.143.0/24 valid
v4 206.197.231.0/24 unknown
v4 207.32.128.0/19 valid
v4 31.132.54.0/24 valid
v4 38.124.1.0/24 unknown
v4 38.146.55.0/24 unknown
v4 38.242.12.0/24 unknown
v4 38.242.18.0/24 unknown
v4 38.242.24.0/24 unknown
v4 38.242.7.0/24 unknown
v4 44.104.110.0/24 unknown
v4 44.32.53.0/24 unknown
v4 45.10.23.0/24 valid
v4 45.58.211.0/24 valid
v4 45.67.142.0/24 valid
v4 45.67.143.0/24 valid
v4 45.67.144.0/24 valid
v4 5.182.199.0/24 valid
v4 5.182.51.0/24 valid
v4 52.124.20.0/23 valid
v4 63.246.128.0/24 valid
v4 63.246.156.0/24 valid
v4 63.246.157.0/24 valid
v4 63.251.142.0/24 unknown
v4 66.150.192.0/24 unknown
v4 66.150.196.0/24 unknown
v4 66.150.198.0/24 unknown
v4 67.22.61.0/24 unknown
v4 67.22.62.0/24 unknown
v4 74.118.68.0/24 unknown
v4 74.118.69.0/24 unknown
v4 74.118.70.0/24 unknown

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 62 IPv4 · 5 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	63
2026-06-13	63

Internet Exchanges · 2

MASS-IX Boston 10 Gbps
Boston Internet Exchange Boston, Massachusetts 1 Gbps

Facilities · 3

3 Facilities · 1 Countries

Evocative BOS1 Somerville
Hub Express System Somerville
Markley Group One Summer Street Boston Boston

AS topology · Customer cone 2

Providers · 3

AS174 Cogent Communications, LLC
AS27552 TowardEX Technologies International, Inc.
AS395584 Data Management

Customers · 1

AS26824 VLUZNET

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