iBasis, Inc.
AS11889 is iBasis, Inc. (ibasis.com). It announces 4,096 IPv4 addresses in 13 prefixes, and 1 IPv6 prefixes.
United States· ARIN· allocated 1999-01-28· business
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States3,328 · 81.25%
- The Netherlands768 · 18.75%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- IBASIS-DALLAS
- name
- iBasis, Inc.
- org
- VIPC
- org name
- iBasis, Inc.
- org address
- 10 Maguire Road Building 3, Lexington, MA, 02421
- org city
- Lexington
- org country
- US
- country
- US
- source
- arin
- created
- 1999-01-28
- updated
- 2026-05-12
- abuse name
- ABUSE
- abuse email
- NetworkEngineering@ibasis.net
- abuse phone
- +1-781-430-7500
- abuse kind
- role
- abuse city
- Lexington
- abuse country
- US
- admin name
- Network Engineering
- admin email
- NetworkEngineering@ibasis.net
- admin phone
- +1-781-430-7500
- admin kind
- role
- admin city
- LEXINGTON
- admin country
- US
- tech
- NETWO7105-ARIN
- tech name
- Network Engineering
- tech email
- NetworkEngineering@ibasis.net
- tech phone
- +1-781-430-7500
- tech kind
- role
- tech city
- LEXINGTON
- tech country
- US
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.
- VPN IP411.00%
- anyip0.05%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.05%
- None here
- 0.07%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 38.80.79.0/24 | United States | not found | 17 | 2026-10-02 |
| 149.7.8.0/24 | United States | not found | 17 | 2026-10-02 |
| 149.13.168.0/24 | The Netherlands | not found | 17 | 2026-10-02 |
| 149.13.169.0/24 | The Netherlands | not found | 17 | 2026-10-02 |
| 149.13.170.0/24 | The Netherlands | not found | 17 | 2026-10-02 |
| 149.36.165.0/24 | United States | not found | 17 | 2026-10-02 |
| 149.36.168.0/23 | United States | not found | 17 | 2026-10-02 |
| 216.49.201.0/24 | United States | not found | 17 | 2026-10-02 |
| 216.168.164.0/24 | United States | not found | 17 | 2026-10-02 |
| 216.168.169.0/24 | United States | not found | 17 | 2026-10-02 |
| 216.168.184.0/23 | United States | not found | 17 | 2026-10-02 |
| 216.168.188.0/23 | United States | not found | 17 | 2026-10-02 |
| 216.168.191.0/24 | United States | not found | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2605:bf80:100::/40 | United States | valid | 20 | 2026-10-02 |
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