Ambit Microsystem Corporation
Data as of 2026-08-16
BGP inherited
Complete entity footprint
3 linked clusters ·
438 netblocks ·
1,519,872 IPv4 addresses ·
10 IPv6 prefixes
This organisation's clusters combined by evidence —
shared operating domain aptg.com.tw
— not name similarity, so genuinely different organisations that share a name are excluded.
Cluster stats
| Netblocks | 264 · 406,784 IPv4 addresses |
| IPv6 | 1 prefix (largest 2404:0:8000::/36) |
| Cluster ID | 222390758 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 1 shared RIR contact/maintainer handle |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
8 weekly snapshots · JSON
264
-1 netblocks since 2026-07-05
2026-07-05
peak 265
2026-08-16
IP Ranges (264)
showing 50 of 264 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 101.136.0.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.0.0/18 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.8.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.16.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.24.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.32.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.40.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.48.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.56.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.64.0/18 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.64.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.72.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.80.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.88.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.96.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.104.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.112.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.120.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.128.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.128.0/18 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.136.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.144.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.152.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.160.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.168.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.176.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.184.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.192.0/18 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.192.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.200.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.208.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.216.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.224.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.232.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.240.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.136.248.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.137.0.0/18 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.137.0.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.137.8.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.137.16.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.137.24.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.137.32.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.137.40.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.137.48.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.137.56.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.137.64.0/18 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.137.64.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.137.72.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.137.80.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
| 101.137.88.0/21 | Ambit Microsystem Corporation | BGP | ANNOUNCED | ● medium |
IPv6 ranges (1)
| CIDR |
|---|
| 2404:0:8000::/36 |
Customer-delegated space
how is this classified?
Unclassified
242 (91.7%)
Customer access pools
22 (8.3%)
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(264 of 264)
Possible discrepancies (224)
These blocks are registered to Ambit Microsystem Corporation but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 101.136.0.0/18 /18 | authorized for AS9674 — Far EastTone Telecommunication Co., Ltd. |
| 101.136.64.0/18 /18 | authorized for AS9674 — Far EastTone Telecommunication Co., Ltd. |
| 101.136.128.0/18 /18 | authorized for AS9674 — Far EastTone Telecommunication Co., Ltd. |
| 101.136.192.0/18 /18 | authorized for AS9674 — Far EastTone Telecommunication Co., Ltd. |
| 101.137.0.0/18 /18 | authorized for AS9674 — Far EastTone Telecommunication Co., Ltd. |
| 101.137.64.0/18 /18 | authorized for AS9674 — Far EastTone Telecommunication Co., Ltd. |
| 101.137.128.0/18 /18 | authorized for AS9674 — Far EastTone Telecommunication Co., Ltd. |
| 101.137.192.0/18 /18 | authorized for AS9674 — Far EastTone Telecommunication Co., Ltd. |
| 101.138.0.0/18 /18 | authorized for AS9674 — Far EastTone Telecommunication Co., Ltd. |
| 101.138.64.0/18 /18 | authorized for AS9674 — Far EastTone Telecommunication Co., Ltd. |
| 101.138.128.0/18 /18 | authorized for AS9674 — Far EastTone Telecommunication Co., Ltd. |
| 101.138.192.0/18 /18 | authorized for AS9674 — Far EastTone Telecommunication Co., Ltd. |
| 101.139.0.0/18 /18 | authorized for AS9674 — Far EastTone Telecommunication Co., Ltd. |
| 101.139.64.0/18 /18 | authorized for AS9674 — Far EastTone Telecommunication Co., Ltd. |
| 222.250.0.0/18 /18 | authorized for AS17709 — Asia Pacific Telecom |
+209 more — see the REST API
NIC Handles
AS131591