IPv4 AS Names Directory: AS Name Biogen MA Inc
| IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 161.199.168.0 to 161.199.171.255 | 161.199.168.0/22 | AS27311 | Biogen MA Inc | See Range |
| 198.180.131.0 to 198.180.131.255 | 198.180.131.0/24 | AS27311 | Biogen MA Inc | See Range |
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