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
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →AS9738 — global IP footprint
Cities where AS9738 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 |
|---|---|---|---|---|---|---|
| 210.18.192.0/18 | 16.4K |
10.0%
|
Brennan IT | AU | Queensland | Brisbane |
| 61.14.96.0/19 | 8.2K |
7.8%
|
Brennan IT | AU | Victoria | Melbourne |
| 202.148.224.0/20 | 4.1K |
96.3%
|
Brennan IT | AU | Victoria | Melbourne |
| 103.28.196.0/22 | 1.0K |
4.4%
|
Brennan IT | AU | New South Wales | Sydney |
| 192.231.141.0/24 | 256 |
2.3%
|
Brennan IT | US | — | — |
| 203.5.194.0/24 | 256 |
0.0%
|
Brennan IT | AU | — | — |
| 203.19.157.0/24 | 256 |
0.0%
|
Brennan IT | AU | — | — |
| 203.25.120.0/24 | 256 |
0.0%
|
Brennan IT | AU | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS9738 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 |
|---|---|---|
| 203.25.120.0/24 | 24,310 | 2026-09-14 15:53:05 |
| 203.5.194.0/24 | 20,668 | 2026-09-14 15:53:05 |
| 210.18.250.0/23 | 18,483 | 2026-09-14 15:49:13 |
| 202.148.236.0/22 | 18,429 | 2026-09-14 15:49:13 |
| 202.148.224.0/21 | 18,425 | 2026-09-14 15:49:13 |
| 210.18.224.0/21 | 18,424 | 2026-09-14 15:49:13 |
| 210.18.248.0/23 | 18,408 | 2026-09-14 15:49:13 |
| 210.18.224.0/20 | 18,395 | 2026-09-14 15:49:13 |
| 210.18.244.0/22 | 18,389 | 2026-09-14 15:49:13 |
| 202.148.234.0/23 | 18,383 | 2026-09-14 15:49:13 |
| 210.18.208.0/20 | 18,372 | 2026-09-14 15:49:13 |
| 210.18.236.0/22 | 18,347 | 2026-09-14 15:49:13 |
| 210.18.204.0/22 | 18,338 | 2026-09-14 15:49:13 |
| 210.18.192.0/22 | 18,320 | 2026-09-14 15:49:13 |
| 210.18.202.0/23 | 18,307 | 2026-09-14 15:49:13 |
| 210.18.234.0/23 | 18,292 | 2026-09-14 15:49:13 |
| 203.19.157.0/24 | 18,221 | 2026-09-14 15:49:13 |
| 61.14.96.0/19 | 18,211 | 2026-09-14 15:49:13 |
| 192.231.141.0/24 | 18,198 | 2026-09-14 15:53:05 |
| 103.28.196.0/22 | 18,007 | 2026-09-14 15:49:13 |
| 210.18.202.0/24 | 17,932 | 2026-09-14 15:49:13 |
| 210.18.211.0/24 | 17,920 | 2026-09-14 15:49:13 |
| 210.18.203.0/24 | 17,898 | 2026-09-14 15:49:13 |
| 61.14.107.0/24 | 17,830 | 2026-09-14 15:49:13 |
| 61.14.110.0/24 | 17,812 | 2026-09-14 15:49:13 |
| 61.14.104.0/24 | 17,801 | 2026-09-14 15:49:13 |
| 61.14.106.0/24 | 17,795 | 2026-09-14 15:49:13 |
| 61.14.105.0/24 | 17,795 | 2026-09-14 15:49:13 |
| 61.14.111.0/24 | 17,794 | 2026-09-14 15:49:13 |
| 202.148.231.0/24 | 17,650 | 2026-09-14 15:49:13 |
| 202.148.232.0/24 | 17,627 | 2026-09-14 15:49:13 |
| 202.148.233.0/24 | 17,591 | 2026-09-14 15:49:13 |
| 210.18.252.0/24 | 17,563 | 2026-09-14 15:49:13 |
| 202.148.226.0/24 | 17,544 | 2026-09-14 15:49:13 |
| 202.148.234.0/24 | 17,543 | 2026-09-14 15:49:13 |
| 202.148.228.0/24 | 17,534 | 2026-09-14 15:49:13 |
| 210.18.253.0/24 | 17,533 | 2026-09-14 15:49:13 |
| 210.18.254.0/24 | 17,527 | 2026-09-14 15:49:13 |
| 202.148.239.0/24 | 17,505 | 2026-09-14 15:49:13 |
| 202.148.225.0/24 | 17,494 | 2026-09-14 15:49:13 |
| 210.18.248.0/24 | 17,492 | 2026-09-14 15:49:13 |
| 210.18.243.0/24 | 17,491 | 2026-09-14 15:49:13 |
| 202.148.224.0/24 | 17,488 | 2026-09-14 15:49:13 |
| 61.14.99.0/24 | 17,478 | 2026-09-14 15:49:13 |
| 210.18.242.0/24 | 17,478 | 2026-09-14 15:49:13 |
| 210.18.241.0/24 | 17,472 | 2026-09-14 15:49:13 |
| 202.148.227.0/24 | 17,470 | 2026-09-14 15:49:13 |
| 210.18.233.0/24 | 17,470 | 2026-09-14 15:49:13 |
| 202.148.229.0/24 | 17,467 | 2026-09-14 15:49:13 |
| 210.18.209.0/24 | 17,465 | 2026-09-14 15:49:13 |
Showing top 50 of 113 announced prefixes by sample volume.
Frequently Asked Questions
What is AS9738?
AS9738 is an Autonomous System Number assigned to Brennan IT. 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 AS9738 announce?
AS9738 announces 30.7K IPv4 addresses distributed across 8 routed CIDR prefixes. The network is registered in Australia.
Who operates AS9738?
AS9738 is operated by Brennan IT. The organization is based in Australia. You can view all IP ranges and related ASNs on the organization page.
What country is AS9738 registered in?
AS9738 is registered in Australia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
