Ultahost, Inc.
Cluster stats
| Netblocks | 374 |
| Cluster ID | 191310022 |
| Registry | AFRINIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 40 shared RIR contact/maintainer handles |
| Registry names | 7 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
374
0 netblocks since 2026-07-05
2026-07-05
peak 374
2026-07-06
IP Ranges (374)
showing 50 of 374 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 31.56.155.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 31.59.184.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 31.171.131.0/24 | Ultahost, Inc. | RIPE | ASSIGNED PA | ● high |
| 31.171.131.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 31.172.80.0/24 | UltaHost Inc | RIPE | ASSIGNED PA | ● high |
| 31.172.80.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 31.172.83.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 31.172.83.0/24 | UltaHost Inc | RIPE | ASSIGNED PA | ● high |
| 31.172.87.0/24 | UltaHost Inc | RIPE | ASSIGNED PA | ● high |
| 31.172.87.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 31.210.50.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 38.89.142.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 38.127.8.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 38.127.216.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 38.134.189.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 38.247.64.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 45.157.208.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 67.210.97.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 77.92.145.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 78.135.93.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 79.133.41.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 79.133.41.0/24 | UltaHost Inc | RIPE | ASSIGNED PA | ● high |
| 79.133.42.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 79.133.46.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 79.133.46.0/24 | UltaHost Inc | RIPE | ASSIGNED PA | ● high |
| 79.133.51.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 79.133.51.0/24 | UltaHost Inc | RIPE | ASSIGNED PA | ● high |
| 79.133.56.0/24 | UltaHost Inc | RIPE | ASSIGNED PA | ● high |
| 79.133.56.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 79.133.57.0/24 | UltaHost Inc | RIPE | ASSIGNED PA | ● high |
| 79.133.57.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 82.38.63.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 82.40.23.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 82.41.181.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 84.200.16.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 84.200.16.0/24 | UltaHost Inc | RIPE | ASSIGNED PA | ● high |
| 84.200.17.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 84.200.17.0/24 | UltaHost Inc | RIPE | ASSIGNED PA | ● high |
| 84.200.24.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 84.200.24.0/24 | UltaHost Inc | RIPE | ASSIGNED PA | ● high |
| 84.200.27.0/24 | UltaHost Inc | RIPE | ASSIGNED PA | ● high |
| 84.200.27.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 84.200.73.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 84.200.73.0/24 | UltaHost Inc | RIPE | ASSIGNED PA | ● high |
| 84.200.77.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 84.200.77.0/24 | UltaHost Inc | RIPE | ASSIGNED PA | ● high |
| 84.200.80.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 84.200.80.0/24 | UltaHost Inc | RIPE | ASSIGNED PA | ● high |
| 84.200.81.0/24 | Ultahost, Inc. | BGP | ANNOUNCED | ● high |
| 84.200.81.0/24 | UltaHost Inc | RIPE | ASSIGNED PA | ● high |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
98.1%
of checked blocks have valid RPKI ROA coverage
(367 of 374)
Possible discrepancies (17)
These blocks are registered to Ultahost, Inc. but cryptographically authorized for a different, unrelated network (5 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 31.171.131.0/24 /24 | authorized for AS49127 — Asimo Networks B.V. |
| 185.82.73.0/24 /24 | authorized for AS49127 — Asimo Networks B.V. |
| 84.200.205.0/24 /24 | authorized for AS44066 — firstcolo GmbH |
| 31.56.155.0/24 /24 | authorized for AS49123 — S.C. Retele de Comunicatii Avansate S.R.L. |
| 31.171.131.0/24 /24 | authorized for AS49127 — Asimo Networks B.V. |
| 31.210.50.0/24 /24 | authorized for AS48678 — Pentech Bilisim Teknolojileri Sanayi Ve Ticaret Limited Sirketi |
| 77.92.145.0/24 /24 | authorized for AS48678 — Pentech Bilisim Teknolojileri Sanayi Ve Ticaret Limited Sirketi |
| 78.135.93.0/24 /24 | authorized for AS48678 — Pentech Bilisim Teknolojileri Sanayi Ve Ticaret Limited Sirketi |
| 84.200.205.0/24 /24 | authorized for AS44066 — firstcolo GmbH |
| 89.187.25.0/24 /24 | authorized for AS49127 — Asimo Networks B.V. |
| 109.176.207.0/24 /24 | authorized for AS49127 — Asimo Networks B.V. |
| 185.82.73.0/24 /24 | authorized for AS49127 — Asimo Networks B.V. |
| 185.233.166.0/24 /24 | authorized for AS394177 — SHIFT HOSTING LLC |
| 188.132.129.0/24 /24 | authorized for AS48678 — Pentech Bilisim Teknolojileri Sanayi Ve Ticaret Limited Sirketi |
| 188.132.183.0/24 /24 | authorized for AS48678 — Pentech Bilisim Teknolojileri Sanayi Ve Ticaret Limited Sirketi |
+2 more — see the REST API
NIC Handles
AB57-AFRINIC
AB57-AFRINIC
ACCELERATED-MNT
ACCELERATED-MNT
AR63473-RIPE
AS214036
AS398256
AS44259
DUMY-RIPE
DUMY-RIPE
GEO-MNT
HOS-GUN
+28 more