AS10004
Phoenix Communications Inc.
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
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 4 internet exchanges: BBIX Tokyo, JPNAP Tokyo: Peering, JPIX TOKYO, BBIX Osaka
AS10004 — global IP footprint
Cities where AS10004 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 |
|---|---|---|---|---|---|---|
| 157.101.128.0/19 | 8.2K |
94.8%
|
Phoenix Communications Inc. | JP | Hiroshima | Aki-takata Shi |
| 210.185.128.0/19 | 8.2K |
97.3%
|
Phoenix Communications Inc. | JP | Nagano | Nagano |
| 211.133.144.0/20 | 4.1K |
81.3%
|
Phoenix Communications Inc. | JP | Hokkaido | Sapporo |
| 133.247.128.0/21 | 2.0K |
99.3%
|
Phoenix Communications Inc. | JP | Chiba | Narita |
| 103.226.44.0/22 | 1.0K |
96.2%
|
Phoenix Communications Inc. | JP | — | — |
| 133.247.100.0/22 | 1.0K |
99.4%
|
Phoenix Communications Inc. | JP | Chiba | Narita |
| 133.247.90.0/23 | 512 |
97.9%
|
Phoenix Communications Inc. | JP | Chiba | Narita |
| 133.247.232.0/23 | 512 |
99.2%
|
Phoenix Communications Inc. | JP | Chiba | Narita |
| 115.179.57.0/24 | 256 |
93.4%
|
Phoenix Communications Inc. | JP | — | — |
| 115.179.200.0/24 | 256 |
66.0%
|
Phoenix Communications Inc. | JP | Hiroshima | Aki-takata Shi |
| 133.247.234.0/24 | 256 |
99.2%
|
Phoenix Communications Inc. | JP | Chiba | Narita |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS10004 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 |
|---|---|---|
| 211.133.144.0/20 | 10,716 | 2026-07-29 14:36:04 |
| 210.185.128.0/19 | 10,468 | 2026-07-29 14:36:04 |
| 133.247.234.0/24 | 9,848 | 2026-07-29 14:36:05 |
| 133.247.100.0/22 | 9,835 | 2026-07-29 14:36:05 |
| 133.247.232.0/23 | 9,830 | 2026-07-29 14:36:05 |
| 115.179.200.0/24 | 9,605 | 2026-07-29 14:36:04 |
| 115.179.57.0/24 | 9,595 | 2026-07-29 14:36:04 |
| 133.247.128.0/21 | 9,556 | 2026-07-29 14:36:04 |
| 133.247.90.0/23 | 9,551 | 2026-07-29 14:36:04 |
| 157.101.128.0/19 | 8,731 | 2026-07-29 14:36:04 |
| 103.226.44.0/22 | 6,299 | 2026-07-29 14:27:52 |
Frequently Asked Questions
What is AS10004?
AS10004 is an Autonomous System Number assigned to Phoenix Communications Inc.. 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 AS10004 announce?
AS10004 announces 26.4K IPv4 addresses distributed across 11 routed CIDR prefixes. The network is registered in Japan.
Who operates AS10004?
AS10004 is operated by Phoenix Communications Inc.. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS10004 registered in?
AS10004 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
