Port Networks, Inc.
BGP inherited
Cluster stats
Netblocks21
All fragments 199 blocks across 93 clusters
Cluster ID191655202
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 24 shared RIR contact/maintainer handles
Registry names 9 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
21 0 netblocks since 2026-07-05
2026-07-05 peak 21 2026-07-06

IP Ranges (21)

⬇ export CSV
CIDR Org name Registry Status Confidence
104.145.220.0/22 Port Networks, Inc. BGP ANNOUNCED ● high
118.201.46.56/29 PORT-SG APNIC ASSIGNED NON-PORTABLE ● high
205.215.240.0/20 Port Networks, Inc. ARIN ● high
205.215.240.0/21 Port Networks, Inc. BGP ANNOUNCED ● high
205.215.242.0/24 Port Networks, Inc. BGP ANNOUNCED ● high
205.215.246.0/24 Port Networks, Inc. BGP ANNOUNCED ● high
205.215.248.0/23 Port Networks, Inc. BGP ANNOUNCED ● high
205.215.250.0/24 Port Networks, Inc. BGP ANNOUNCED ● high
205.215.251.0/24 Port Networks, Inc. BGP ANNOUNCED ● high
205.215.252.0/24 Port Networks, Inc. BGP ANNOUNCED ● high
205.215.253.0/24 Port Networks, Inc. BGP ANNOUNCED ● high
205.215.254.0/24 Port Networks, Inc. BGP ANNOUNCED ● high
205.215.255.0/24 Port Networks, Inc. BGP ANNOUNCED ● high
210.15.46.32/28 PORT-CN APNIC ASSIGNED NON-PORTABLE ● high
46.227.218.240/29 PORT-LAN RIPE ASSIGNED PA ● low
88.200.208.104/29 port-tlt RIPE ASSIGNED PA ● low
193.254.134.224/29 PORT-DE RIPE ASSIGNED PA ● low
203.153.37.128/29 PORT-IN APNIC ALLOCATED NON-PORTABLE ● low
2001:630:39::/48 PORT-UNI RIPE ASSIGNED ● low
2a00:1ca0:600:138::/64 PORT-LAN RIPE ASSIGNED ● low
2a00:1ca0:600:139::/64 PORT-LAN RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: D how networks compare →
42.9% of checked blocks have valid RPKI ROA coverage (9 of 21)
Possible discrepancies (1)

These blocks are registered to Port Networks, Inc. but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:630:39::/48 /48 authorized for AS786 — Jisc Services Limited

NIC Handles

AC1718-AP AS2068-AP AS32829 ASC8-AP ASC8-AP AY384-AP CHP6-ARIN CHP6-ARIN CHP6-ARIN DUMY-RIPE DUMY-RIPE ENVIA-TEL-MNT +12 more