Master IT Support
AS401866 is Master IT Support (masteritsupport.com). It announces 768 IPv4 addresses in 3 prefixes, and 2 IPv6 prefixes.
Puerto Rico· ARIN· allocated 2025-07-24· hosting
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 States512 · 66.67%
- Puerto Rico256 · 33.33%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- MITSUPP
- name
- Master IT Support
- org
- MISL-33
- org name
- Master IT Support
- org address
- METRO OFFICE PARK CALLE #1 LOTE 6, SUITE 104, GUAYNABO, PR, 00966
- org city
- GUAYNABO
- org country
- PR
- country
- PR
- source
- arin
- created
- 2025-07-24
- updated
- 2025-09-13
- remarks
- https://masteritsupport.com
- abuse name
- Abuse Department
- abuse email
- abuse@masteritsupport.com
- abuse phone
- +1-833-648-7877
- abuse kind
- role
- abuse city
- San Juan
- abuse country
- PR
- admin name
- Administration Department
- admin email
- admin@masteritsupport.com
- admin phone
- +1-833-648-7877
- admin kind
- role
- admin city
- San Juan
- admin country
- PR
- tech name
- Network Department
- tech email
- noc@masteritsupport.com
- tech phone
- +1-833-648-7877
- tech kind
- role
- tech city
- San Juan
- tech country
- PR
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 IP768100.00%
- None here
- None here
- None here
- SSH IP28537.11%
- 0.13%
- 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 |
|---|---|---|---|---|
| 23.143.4.0/24 | Puerto Rico | valid | 17 | 2026-10-02 |
| 64.93.68.0/24 | United States | valid | 17 | 2026-10-02 |
| 64.93.69.0/24 | United States | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2604:19a0:1::/48 | United States | valid | 20 | 2026-10-02 |
| 2604:19a0:3::/48 | United States | valid | 20 | 2026-10-02 |
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