BIOGEN

BIOGEN-GTT
Data as of 2026-08-09
BGP inherited
Cluster stats
Netblocks19 · 264 IPv4 addresses
Registered in United States (16) · Hong Kong (3)
Cluster ID217880221
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 8 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

7 weekly snapshots · JSON
19 0 netblocks since 2026-07-05
2026-07-05 peak 19 2026-08-09

IP Ranges (19)

⬇ export CSV
CIDR Org name Registry Status Confidence
103.230.250.20/30 BIOGEN-GTT APNIC ASSIGNED NON-PORTABLE ● high
103.230.250.128/29 BIOGEN-GTT APNIC ASSIGNED NON-PORTABLE ● high
103.230.250.140/30 BIOGEN-GTT APNIC ASSIGNED NON-PORTABLE ● high
77.77.168.128/29 BIOGEN-GTT RIPE ASSIGNED PA ● low
89.149.156.112/29 BIOGEN-GTT RIPE ASSIGNED PA ● low
89.149.168.128/25 BIOGEN-GTT RIPE ASSIGNED PA ● low
89.149.173.40/29 BIOGEN-GTT RIPE ASSIGNED PA ● low
89.149.173.80/29 BIOGEN-GTT RIPE ASSIGNED PA ● low
89.149.173.88/29 BIOGEN-GTT RIPE ASSIGNED PA ● low
89.149.173.96/29 BIOGEN-GTT RIPE ASSIGNED PA ● low
89.149.173.240/29 BIOGEN-GTT RIPE ASSIGNED PA ● low
213.254.239.176/29 BIOGEN-GTT RIPE ASSIGNED PA ● low
213.254.254.120/29 BIOGEN-GTT RIPE ASSIGNED PA ● low
213.254.254.128/29 BIOGEN-GTT RIPE ASSIGNED PA ● low
213.254.254.136/29 BIOGEN-GTT RIPE ASSIGNED PA ● low
213.254.254.144/29 BIOGEN-GTT RIPE ASSIGNED PA ● low
213.254.254.152/29 BIOGEN-GTT RIPE ASSIGNED PA ● low
213.254.254.160/29 BIOGEN-GTT RIPE ASSIGNED PA ● low
213.254.254.168/29 BIOGEN-GTT RIPE ASSIGNED PA ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (19 of 19)
No discrepancies found among checked blocks.

NIC Handles

AG890-AP AS3257-IPAM-MNT AS3257-NET-MNT DUMY-RIPE DUMY-RIPE MAINT-GTT-HK PY593-AP PY593-AP