Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Mobile allocation +2
- Trust score 67 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
AS398378 — global IP footprint
Cities where AS398378 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 35.33.128.0/17 | 32.8K |
81.1%
|
Boost Mobile | US | California | San Jose |
| 35.39.96.0/20 | 4.1K |
81.0%
|
Boost Mobile | US | Missouri | Kansas City |
| 35.39.112.0/21 | 2.0K |
81.2%
|
Boost Mobile | US | California | San Jose |
| 216.234.176.0/21 | 2.0K |
0.2%
|
Boost Mobile | US | — | — |
| 161.188.128.0/22 | 1.0K |
91.3%
|
Boost Mobile | US | California | San Jose |
| 204.76.130.0/23 | 512 |
0.0%
|
Boost Mobile | US | — | — |
| 192.189.196.0/24 | 256 |
0.0%
|
Boost Mobile | US | — | — |
| 204.76.128.0/24 | 256 |
0.8%
|
Boost Mobile | US | — | — |
| 204.76.130.0/24 | 256 |
0.0%
|
Boost Mobile | US | — | — |
| 206.204.93.0/24 | 256 |
0.0%
|
Boost Mobile | US | — | — |
| 216.234.179.0/24 | 256 |
0.8%
|
Boost Mobile | US | — | — |
| 216.234.183.0/24 | 256 |
0.8%
|
Boost Mobile | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS398378 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 206.204.93.0/24 | 15,334 | 2026-07-23 19:04:54 |
| 204.76.130.0/24 | 13,970 | 2026-07-23 19:05:06 |
| 35.33.224.0/21 | 11,100 | 2026-07-23 19:04:57 |
| 35.33.216.0/21 | 11,077 | 2026-07-23 19:04:56 |
| 35.33.136.0/21 | 11,063 | 2026-07-23 19:04:55 |
| 192.189.196.0/24 | 11,005 | 2026-07-23 19:04:58 |
| 161.188.128.0/23 | 11,005 | 2026-07-23 19:04:57 |
| 35.33.232.0/21 | 10,755 | 2026-07-23 19:04:57 |
| 35.33.240.0/21 | 10,696 | 2026-07-23 19:04:57 |
| 35.33.248.0/21 | 10,685 | 2026-07-23 19:04:57 |
| 35.39.104.0/21 | 10,682 | 2026-07-23 19:04:57 |
| 35.39.96.0/21 | 10,657 | 2026-07-23 19:04:57 |
| 35.33.128.0/21 | 10,634 | 2026-07-23 19:04:57 |
| 35.33.208.0/21 | 10,628 | 2026-07-23 19:04:57 |
| 35.33.192.0/21 | 10,626 | 2026-07-23 19:04:57 |
| 35.33.200.0/21 | 10,610 | 2026-07-23 19:04:57 |
| 216.234.179.0/24 | 9,684 | 2026-07-23 19:17:28 |
| 204.76.128.0/24 | 9,569 | 2026-07-23 18:55:27 |
| 35.39.112.0/21 | 7,421 | 2026-07-23 19:03:21 |
| 35.33.176.0/21 | 7,411 | 2026-07-23 19:03:21 |
| 35.33.144.0/21 | 7,411 | 2026-07-23 19:03:21 |
| 35.33.184.0/21 | 7,398 | 2026-07-23 19:03:21 |
| 35.33.152.0/21 | 7,398 | 2026-07-23 19:03:21 |
| 35.33.168.0/21 | 7,395 | 2026-07-23 19:03:21 |
| 35.33.160.0/21 | 7,379 | 2026-07-23 19:03:21 |
| 161.188.130.0/23 | 7,314 | 2026-07-23 19:03:21 |
| 216.234.183.0/24 | 7,228 | 2026-07-23 19:03:21 |
| 204.76.131.0/24 | 5,112 | 2026-06-24 17:23:23 |
| 216.234.176.0/21 | 3,471 | 2026-07-13 06:46:33 |
| 216.234.178.0/23 | 3,433 | 2026-07-13 06:46:33 |
| 216.234.180.0/23 | 1,542 | 2026-06-24 17:23:23 |
| 216.234.180.0/24 | 1,541 | 2026-06-24 17:23:23 |
Frequently Asked Questions
What is AS398378?
AS398378 is an Autonomous System Number assigned to Boost Mobile. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS398378 announce?
AS398378 announces 43.3K IPv4 addresses distributed across 12 routed CIDR prefixes. The network is registered in United States.
Who operates AS398378?
AS398378 is operated by Boost Mobile. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS398378 registered in?
AS398378 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
