Port Networks, Inc.
BGP inherited
Cluster stats
| Netblocks | 17 · 9,730 IPv4 addresses |
| Registered in | United States (12) · Germany (1) · Russia (1) |
| Cluster ID | 208810489 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 11 shared RIR contact/maintainer handles |
| Registry names | 5 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
21
0 netblocks since 2026-07-05
2026-07-05
peak 21
2026-07-19
IP Ranges (17)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 104.145.220.0/22 | Port Networks, Inc. | BGP | ANNOUNCED | ● 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 |
| 46.227.218.240/29 | PORT-LAN | RIPE | ASSIGNED PA | ● low |
| 88.200.208.104/29 | port-tlt | RIPE | ASSIGNED PA | ● low |
| 205.215.240.0/20 | Port Networks, Inc. | ARIN | DIRECT ALLOCATION | ● 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 →
29.4%
of checked blocks have valid RPKI ROA coverage
(5 of 17)
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
AS32829
CHP6-ARIN
CHP6-ARIN
CHP6-ARIN
DUMY-RIPE
DUMY-RIPE
ENVIA-TEL-MNT
HBE9-ARIN
JANET-HOSTMASTER
PN-118
SAMTEL-MNT