AS131591
Ambit Microsystem Corporation
AS131591 is Ambit Microsystem Corporation. It announces 127,488 IPv4 addresses in 33 prefixes, and 0 IPv6 prefixes.
Taiwan· APNIC· allocated 2011-07-21· isp
127,488
IPv4 addresses announced
33
IPv4 prefixes
0
IPv6 prefixes
100.00%
of its routes RPKI-valid
127,488
of its IPv4 geolocated
1
country
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Taiwan127,488 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- AMBIT-AS-TW
- name
- Ambit Microsystem Corporation
- country
- TW
- source
- apnic
- updated
- 2025-11-06
- descr
- Ambit Microsystem Corporation / No. 32, Jihu Rd., Neihu Dist., Taipei 11492, Taiwan, R.O.C. / Taipei Taiwan 114
- maintainer
- MAINT-TW-TWNIC
- maintainer email
- chku@twnic.net.tw
- abuse
- AT939-AP
- abuse name
- ABUSE TWNICAP
- abuse email
- hostmaster@twnic.tw
- abuse kind
- role
- admin
- SY2644-AP
- tech
- SY2644-AP
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- None here
- None here
- None here
- None here
- None here
- None here
- Hosting IP5120.40%
- None here
- Carrier IP126,976FarEasTone99.60%
- None here
- None here
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 101.138.0.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.138.16.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.138.32.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.138.48.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.138.64.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.138.80.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.138.96.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.138.112.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.138.128.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.138.144.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.138.160.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.138.176.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.138.192.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.138.208.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.138.224.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.138.240.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.139.16.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.139.32.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.139.48.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.139.64.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.139.80.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.139.96.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.139.112.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.139.128.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.139.144.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.139.160.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.139.176.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.139.192.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.139.208.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.139.224.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 101.139.240.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 203.79.206.0/24 | Taiwan | valid | 17 | 2026-10-02 |
| 203.79.207.0/24 | Taiwan | valid | 17 | 2026-10-02 |
00 · Evaluate
Test the real build first.
An evaluation license puts a full current build in your hands — every row, every column, no sampling — so you can measure it against your own traffic before anyone talks about terms.
01 · License
Then license what you use.
Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell — priced by scope, not by seat.
Annual terms, a named contact, and flexible payment terms — monthly, quarterly or yearly.